Changes

#	Step	Field	From	To	Why
17,293	bootstrap_labels	prefLabel	—	[{"@value":"nitrosoheptamethyleneimine","@language":"en","source":{"prov:wasGeneratedBy":"bootstrap_labels","prov:wasAt…	Bootstrapped prefLabel from legacy name field
17,294	bootstrap_labels	name	nitrosoheptamethyleneimine	—	Purged legacy name field to enforce prefLabel usage
17,295	bootstrap_labels	synonyms	["1-nitrosoazocane","n-nitrosoheptamethyleneimine","1-Nitrosoazocane","AC1L1JFM","AZOCINE, OCTAHYDRO-1-NITROSO-","Hepta…	[]	Removed legacy synonyms field in favor of structured labels
21,657	bootstrap_labels	synonyms	["1-Nitrosoazocane","AC1L1JFM","AZOCINE, OCTAHYDRO-1-NITROSO-","Heptamethylenenitrosamine","N-Nitroso-heptamethyleneimi…	[]	Removed legacy synonyms field in favor of structured labels
55,721	default_context_mapping	context	—	{"dimension":"Environmental","media":"Air","indoor":"Unknown"}	Mapped from context mapping for source=EF 3.1, source context Emissions > Emissions to air > Emissions to air, indoor
55,722	default_context_mapping	context_iri	—	https://vocab.brightway.one/flow-contexts/envi-air-indr-unkn	Mapped from context mapping for source=EF 3.1, source context Emissions > Emissions to air > Emissions to air, indoor
77,813	default_context_mapping	context	—	{"dimension":"Environmental","media":"Air","strata":"Aircraft cruise height"}	Mapped from context mapping for source=EF 3.1, source context Emissions > Emissions to air > Emissions to lower stratosphere and upper troposphere
77,814	default_context_mapping	context_iri	—	https://vocab.brightway.one/flow-contexts/envi-air-aicrhe	Mapped from context mapping for source=EF 3.1, source context Emissions > Emissions to air > Emissions to lower stratosphere and upper troposphere
87,851	default_context_mapping	context	—	{"dimension":"Environmental","media":"Water","water_body":"Long-term"}	Mapped from context mapping for source=EF 3.1, source context Emissions > Emissions to water > Emissions to water, unspecified (long-term)
87,852	default_context_mapping	context_iri	—	https://vocab.brightway.one/flow-contexts/envi-wate-lote	Mapped from context mapping for source=EF 3.1, source context Emissions > Emissions to water > Emissions to water, unspecified (long-term)
87,853	default_context_mapping	context	—	{"dimension":"Environmental","media":"Water","water_body":"Unknown"}	Mapped from context mapping for source=EF 3.1, source context Emissions > Emissions to water > Emissions to water, unspecified
87,854	default_context_mapping	context_iri	—	https://vocab.brightway.one/flow-contexts/envi-wate-unkn	Mapped from context mapping for source=EF 3.1, source context Emissions > Emissions to water > Emissions to water, unspecified
87,855	default_context_mapping	context	—	{"dimension":"Environmental","media":"Ground","geography":"Non-agricultural"}	Mapped from context mapping for source=EF 3.1, source context Emissions > Emissions to soil > Emissions to non-agricultural soil
87,856	default_context_mapping	context_iri	—	https://vocab.brightway.one/flow-contexts/envi-grou-noag	Mapped from context mapping for source=EF 3.1, source context Emissions > Emissions to soil > Emissions to non-agricultural soil
87,857	default_context_mapping	context	—	{"dimension":"Environmental","media":"Water","water_body":"Ocean"}	Mapped from context mapping for source=EF 3.1, source context Emissions > Emissions to water > Emissions to sea water
87,858	default_context_mapping	context_iri	—	https://vocab.brightway.one/flow-contexts/envi-wate-ocea	Mapped from context mapping for source=EF 3.1, source context Emissions > Emissions to water > Emissions to sea water
91,643	default_context_mapping	context	—	{"dimension":"Environmental","media":"Ground","geography":"Agricultural"}	Mapped from context mapping for source=EF 3.1, source context Emissions > Emissions to soil > Emissions to agricultural soil
91,644	default_context_mapping	context_iri	—	https://vocab.brightway.one/flow-contexts/envi-grou-agri	Mapped from context mapping for source=EF 3.1, source context Emissions > Emissions to soil > Emissions to agricultural soil
91,645	default_context_mapping	context	—	{"dimension":"Environmental","media":"Ground","geography":"Unknown"}	Mapped from context mapping for source=EF 3.1, source context Emissions > Emissions to soil > Emissions to soil, unspecified
91,646	default_context_mapping	context_iri	—	https://vocab.brightway.one/flow-contexts/envi-grou-unkn	Mapped from context mapping for source=EF 3.1, source context Emissions > Emissions to soil > Emissions to soil, unspecified
91,647	default_context_mapping	context	—	{"dimension":"Environmental","media":"Air","strata":"Unknown"}	Mapped from context mapping for source=EF 3.1, source context Emissions > Emissions to air > Emissions to air, unspecified
91,648	default_context_mapping	context_iri	—	https://vocab.brightway.one/flow-contexts/envi-air-unkn	Mapped from context mapping for source=EF 3.1, source context Emissions > Emissions to air > Emissions to air, unspecified
91,649	default_context_mapping	context	—	{"dimension":"Environmental","media":"Air","strata":"Long-term"}	Mapped from context mapping for source=EF 3.1, source context Emissions > Emissions to air > Emissions to air, unspecified (long-term)
91,650	default_context_mapping	context_iri	—	https://vocab.brightway.one/flow-contexts/envi-air-lote	Mapped from context mapping for source=EF 3.1, source context Emissions > Emissions to air > Emissions to air, unspecified (long-term)
91,651	default_context_mapping	context	—	{"dimension":"Environmental","media":"Air","strata":"Ground level","population_density":"Urban (>1000 people/square mil…	Mapped from context mapping for source=EF 3.1, source context Emissions > Emissions to air > Emissions to urban air close to ground
91,652	default_context_mapping	context_iri	—	https://vocab.brightway.one/flow-contexts/envi-air-grle-ur10pesq	Mapped from context mapping for source=EF 3.1, source context Emissions > Emissions to air > Emissions to urban air close to ground
91,653	default_context_mapping	context	—	{"dimension":"Environmental","media":"Air","strata":"Medium stack, <150 meters","population_density":"Rural (<1000 peop…	Mapped from context mapping for source=EF 3.1, source context Emissions > Emissions to air > Emissions to non-urban air or from high stacks
91,654	default_context_mapping	context_iri	—	https://vocab.brightway.one/flow-contexts/envi-air-mest15me-ru10pesq	Mapped from context mapping for source=EF 3.1, source context Emissions > Emissions to air > Emissions to non-urban air or from high stacks
91,655	default_context_mapping	context	—	{"dimension":"Environmental","media":"Water","water_body":"Surface water"}	Mapped from context mapping for source=EF 3.1, source context Emissions > Emissions to water > Emissions to fresh water
91,656	default_context_mapping	context_iri	—	https://vocab.brightway.one/flow-contexts/envi-wate-suwa	Mapped from context mapping for source=EF 3.1, source context Emissions > Emissions to water > Emissions to fresh water
219,010	unit_normalization	unit_iri	—	https://vocab.brightway.one/units/unit/KiloGM	Unit IRI set from normalization of 'kg'
225,054	normalize_name_case	prefLabel	[{"@value":"nitrosoheptamethyleneimine","@language":"en","source":{"prov:wasGeneratedBy":"bootstrap_labels","prov:wasAt…	[{"@value":"Nitrosoheptamethyleneimine","@language":"en","source":{"prov:wasGeneratedBy":"bootstrap_labels","prov:wasAt…	Title-cased words without internal capitals (preserved words with uppercase letters beyond the first character)
243,404	enrich_references	properties	{}	{"https://w3id.org/chemrof/molecular_formula":{"@id":"https://w3id.org/chemrof/molecular_formula","@value":["C7H14N2O"]…	Added ChEBI/PubChem properties (chebi_ids=1, pubchem_cids=1)
243,405	enrich_references	skos_definition	—	[]	Merged ChEBI/PubChem definitions into skos:definition
243,406	enrich_references	references	[]	[{"@id":"http://jglobal.jst.go.jp/en/redirect?Nikkaji_No=J2.758H","provenance":{"prov:wasGeneratedBy":"enrich_reference…	Added references with provenance; cas_numbers=['20917-49-1']; matched_chebi_ids=['http://purl.obolibrary.org/obo/CHEBI_183735']; candidate_pubchem_cids=[30360]; selected_pubchem_cids=[30360]; formula_similarity_expected=[]; pubchem_selection_rule=curated_cas_then_formula_similarity_then_prefer_chebi_aligned_when_unambiguous_else_keep_all_cas_matches; single_cas_commonchem_link=yes
252,996	rdkit_pre_consensus	properties	{"https://w3id.org/chemrof/molecular_formula":{"@id":"https://w3id.org/chemrof/molecular_formula","@value":["C7H14N2O"]…	{"https://w3id.org/chemrof/molecular_formula":{"@id":"https://w3id.org/chemrof/molecular_formula","@value":["C7H14N2O"]…	rdkit_pre_consensus from 'C1CCCN(CCC1)N=O'; added: monoisotopic_mass
256,661	chebi_altlabels	altLabel	[]	[{"@value":"1-nitrosoazocane","@language":"en","source":{"prov:wasGeneratedBy":"chebi_altlabels","prov:wasAttributedTo"…	Added 1 ChEBI synonym(s) as altLabel from 1 linked ChEBI record(s)
269,931	consensus_match	altLabel	[{"@value":"1-nitrosoazocane","@language":"en","source":{"prov:wasGeneratedBy":"chebi_altlabels","prov:wasAttributedTo"…	[{"@value":"1-nitrosoazocane","@language":"en","source":{"prov:wasGeneratedBy":"chebi_altlabels","prov:wasAttributedTo"…	group_key=nitrosoheptamethyleneimine\|\|dimension=Environmental > media=Air > indoor=Unknown; cas=20917-49-1; added Common Chemistry CAS names as altLabel: <em>N</em>-Nitrosoazacyclooctane, <em>N</em>-Nitrosoheptamethyleneimine, Azocine, octahydro-1-nitroso-, Heptamethylenimine, 1-nitroso-, Octahydro-1-nitrosoazocine; object_uuid=fo-afa9ccb705aa52b4
269,932	consensus_match	cas_match_labels	—	{"20917-49-1":"exactMatch"}	group_key=nitrosoheptamethyleneimine\|\|dimension=Environmental > media=Air > indoor=Unknown; group_sources=['chebi', 'pubchem']; cas_sources={'20917-49-1': ['chebi', 'pubchem']}; assigned CAS labels from group consensus; object_uuid=fo-afa9ccb705aa52b4: {'20917-49-1': 'exactMatch'}
278,198	opsin_iupac	properties	{"https://w3id.org/chemrof/molecular_formula":{"@id":"https://w3id.org/chemrof/molecular_formula","@value":["C7H14N2O"]…	{"https://w3id.org/chemrof/molecular_formula":{"@id":"https://w3id.org/chemrof/molecular_formula","@value":["C7H14N2O"]…	opsin_iupac: set authoritative IUPAC name, SMILES, InChI from '1-nitrosoazocane'
284,940	rdkit_post_consensus	properties	{"https://w3id.org/chemrof/molecular_formula":{"@id":"https://w3id.org/chemrof/molecular_formula","@value":["C7H14N2O"]…	{"https://w3id.org/chemrof/molecular_formula":{"@id":"https://w3id.org/chemrof/molecular_formula","@value":["C7H14N2O"]…	rdkit_post_consensus from 'O=NN1CCCCCCC1'; confirmed: smiles_string, inchi2d_string, inchi2d_key_string, molecular_formula, molecular_mass, monoisotopic_mass
292,941	dedupe_altlabels	altLabel	[{"@value":"1-nitrosoazocane","@language":"en","source":{"prov:wasGeneratedBy":"chebi_altlabels","prov:wasAttributedTo"…	[{"@value":"1-nitrosoazocane","@language":"en","source":{"prov:wasGeneratedBy":"chebi_altlabels","prov:wasAttributedTo"…	Deduplicated altLabel values and removed entries matching prefLabel
308,927	carry_associations_onto_flows	concept_associations	[]	[{"@type":"xkos:ConceptAssociation","xkos:sourceConcept":{"@id":"https://vocab.brightway.one/ef/3.1/flow/1d64da21-2aa1-…	associations resolved on the elementary layer
319,958	carry_associations_onto_flows	concept_associations	[]	[{"@type":"xkos:ConceptAssociation","xkos:sourceConcept":{"@id":"https://vocab.brightway.one/ef/3.1/flow/3e4cb44a-6556-…	associations resolved on the elementary layer
324,978	carry_associations_onto_flows	concept_associations	[]	[{"@type":"xkos:ConceptAssociation","xkos:sourceConcept":{"@id":"https://vocab.brightway.one/ef/3.1/flow/4d9a8790-3ddd-…	associations resolved on the elementary layer
324,979	carry_associations_onto_flows	concept_associations	[]	[{"@type":"xkos:ConceptAssociation","xkos:sourceConcept":{"@id":"https://vocab.brightway.one/ef/3.1/flow/4d9a8790-3ddd-…	associations resolved on the elementary layer
324,980	carry_associations_onto_flows	concept_associations	[]	[{"@type":"xkos:ConceptAssociation","xkos:sourceConcept":{"@id":"https://vocab.brightway.one/ef/3.1/flow/4d9a8790-3ddd-…	associations resolved on the elementary layer
324,981	carry_associations_onto_flows	concept_associations	[]	[{"@type":"xkos:ConceptAssociation","xkos:sourceConcept":{"@id":"https://vocab.brightway.one/ef/3.1/flow/4d9a8790-3ddd-…	associations resolved on the elementary layer
326,864	carry_associations_onto_flows	concept_associations	[]	[{"@type":"xkos:ConceptAssociation","xkos:sourceConcept":{"@id":"https://vocab.brightway.one/ef/3.1/flow/4d9a8790-3ddd-…	associations resolved on the elementary layer
326,865	carry_associations_onto_flows	concept_associations	[]	[{"@type":"xkos:ConceptAssociation","xkos:sourceConcept":{"@id":"https://vocab.brightway.one/ef/3.1/flow/4d9a8790-3ddd-…	associations resolved on the elementary layer