Changes

#	Step	Field	From	To	Why
350	bootstrap_labels	prefLabel	—	[{"@value":"N-Bromoacetamide","@language":"en","source":{"prov:wasGeneratedBy":"bootstrap_labels","prov:wasAttributedTo…	Bootstrapped prefLabel from legacy name field
351	bootstrap_labels	name	N-Bromoacetamide	—	Purged legacy name field to enforce prefLabel usage
26,131	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
26,132	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
50,689	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
50,690	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
130,121	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
130,122	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
131,123	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)
131,124	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)
182,665	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
182,666	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
213,452	unit_normalization	unit_iri	—	https://vocab.brightway.one/units/unit/KiloGM	Unit IRI set from normalization of 'kg'
226,717	ec_cross_check	ec_numbers	[]	["201-181-0"]	Resolved from EC-inventory: 201-181-0 from CAS 79-15-2
227,500	enrich_references	properties	{}	{"https://w3id.org/chemrof/molecular_formula":{"@id":"https://w3id.org/chemrof/molecular_formula","@value":["C2H4BrNO"]…	Added ChEBI/PubChem properties (chebi_ids=0, pubchem_cids=1)
227,501	enrich_references	skos_definition	—	[]	Merged ChEBI/PubChem definitions into skos:definition
227,502	enrich_references	references	[]	[{"@id":"http://jglobal.jst.go.jp/en/redirect?Nikkaji_No=J4.228E","provenance":{"prov:wasGeneratedBy":"enrich_reference…	Added references with provenance; cas_numbers=['79-15-2']; matched_chebi_ids=[]; candidate_pubchem_cids=[4353, 69632, 169843, 55212072]; selected_pubchem_cids=[4353]; 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
248,409	rdkit_pre_consensus	properties	{"https://w3id.org/chemrof/molecular_formula":{"@id":"https://w3id.org/chemrof/molecular_formula","@value":["C2H4BrNO"]…	{"https://w3id.org/chemrof/molecular_formula":{"@id":"https://w3id.org/chemrof/molecular_formula","@value":["C2H4BrNO"]…	rdkit_pre_consensus from 'CC(=O)NBr'; added: molecular_mass, monoisotopic_mass
269,488	consensus_match	altLabel	[]	[{"@value":"Acetamide, <em>N</em>-bromo-","@language":"en","source":{"prov:wasGeneratedBy":"consensus_match","prov:wasA…	group_key=n-bromoacetamide\|\|dimension=Environmental > media=Air > strata=Aircraft cruise height; cas=79-15-2; added Common Chemistry CAS names as altLabel: Acetamide, <em>N</em>-bromo-, Acetobromamide, NBA; object_uuid=fo-d5f12b8beb4f5b4e
269,489	consensus_match	cas_match_labels	—	{"79-15-2":"exactMatch"}	group_key=n-bromoacetamide\|\|dimension=Environmental > media=Air > strata=Aircraft cruise height; group_sources=['ec_inventory', 'pubchem']; cas_sources={'79-15-2': ['ec_inventory', 'pubchem']}; assigned CAS labels from group consensus; object_uuid=fo-d5f12b8beb4f5b4e: {'79-15-2': 'exactMatch'}
273,534	opsin_iupac	properties	{"https://w3id.org/chemrof/molecular_formula":{"@id":"https://w3id.org/chemrof/molecular_formula","@value":["C2H4BrNO"]…	{"https://w3id.org/chemrof/molecular_formula":{"@id":"https://w3id.org/chemrof/molecular_formula","@value":["C2H4BrNO"]…	opsin_iupac: set authoritative IUPAC name, SMILES, InChI from 'N-Bromoacetamide'
279,893	rdkit_post_consensus	properties	{"https://w3id.org/chemrof/molecular_formula":{"@id":"https://w3id.org/chemrof/molecular_formula","@value":["C2H4BrNO"]…	{"https://w3id.org/chemrof/molecular_formula":{"@id":"https://w3id.org/chemrof/molecular_formula","@value":["C2H4BrNO"]…	rdkit_post_consensus from 'CC(=O)NBr'; confirmed: smiles_string, inchi2d_string, inchi2d_key_string, molecular_formula, molecular_mass, monoisotopic_mass
291,975	dedupe_altlabels	altLabel	[{"@value":"Acetamide, <em>N</em>-bromo-","@language":"en","source":{"prov:wasGeneratedBy":"consensus_match","prov:wasA…	[{"@value":"Acetamide, N-bromo-","@language":"en","source":{"prov:wasGeneratedBy":"consensus_match","prov:wasAttributed…	Deduplicated altLabel values and removed entries matching prefLabel
294,148	carry_associations_onto_flows	concept_associations	[]	[{"@type":"xkos:ConceptAssociation","xkos:sourceConcept":{"@id":"https://vocab.brightway.one/ef/3.1/flow/005df2f9-9630-…	associations resolved on the elementary layer
306,410	carry_associations_onto_flows	concept_associations	[]	[{"@type":"xkos:ConceptAssociation","xkos:sourceConcept":{"@id":"https://vocab.brightway.one/ef/3.1/flow/16a47d90-2fa1-…	associations resolved on the elementary layer
346,095	carry_associations_onto_flows	concept_associations	[]	[{"@type":"xkos:ConceptAssociation","xkos:sourceConcept":{"@id":"https://vocab.brightway.one/ef/3.1/flow/871e6a0a-8b3e-…	associations resolved on the elementary layer
346,596	carry_associations_onto_flows	concept_associations	[]	[{"@type":"xkos:ConceptAssociation","xkos:sourceConcept":{"@id":"https://vocab.brightway.one/ef/3.1/flow/88de60b4-3b76-…	associations resolved on the elementary layer
372,388	carry_associations_onto_flows	concept_associations	[]	[{"@type":"xkos:ConceptAssociation","xkos:sourceConcept":{"@id":"https://vocab.brightway.one/ef/3.1/flow/df121573-6453-…	associations resolved on the elementary layer
387,836	normalise_property_values	properties	{"https://w3id.org/chemrof/molecular_formula":{"@id":"https://w3id.org/chemrof/molecular_formula","@value":["C2H4BrNO"]…	{"https://w3id.org/chemrof/molecular_formula":{"@id":"https://w3id.org/chemrof/molecular_formula","@value":["C2H4BrNO"]…	typed the way the ontology types it
394,326	link_flows_to_their_substance	types	—	["https://w3id.org/chemrof/NeutralMolecule"]	the substance's answer, copied onto its flow