Changes

#	Step	Field	From	To	Why
8,171	bootstrap_labels	prefLabel	—	[{"@value":"4-ethyltoluene","@language":"en","source":{"prov:wasGeneratedBy":"bootstrap_labels","prov:wasAttributedTo":…	Bootstrapped prefLabel from legacy name field
8,172	bootstrap_labels	name	4-ethyltoluene	—	Purged legacy name field to enforce prefLabel usage
8,173	bootstrap_labels	synonyms	["1-Ethyl-4-methylbenzene","1-Methyl-4-ethylbenzene","4-Methylethylbenzene","AC1L1YZ9","Benzene, 1-ethyl-4-methyl-","E0…	[]	Removed legacy synonyms field in favor of structured labels
36,879	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
36,880	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
36,881	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)
36,882	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)
51,277	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
51,278	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
51,279	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
51,280	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
51,281	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
51,282	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
51,287	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
51,288	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
51,289	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
51,290	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
51,291	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
51,292	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
51,293	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
51,294	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
51,295	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)
51,296	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)
209,495	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
209,496	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
209,497	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
209,498	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
216,063	unit_normalization	unit_iri	—	https://vocab.brightway.one/units/unit/KiloGM	Unit IRI set from normalization of 'kg'
226,889	ec_cross_check	ec_numbers	[]	["210-761-2"]	Resolved from EC-inventory: 210-761-2 from CAS 622-96-8
234,988	enrich_references	properties	{}	{"https://w3id.org/chemrof/molecular_formula":{"@id":"https://w3id.org/chemrof/molecular_formula","@value":["C9H12"],"a…	Added ChEBI/PubChem properties (chebi_ids=0, pubchem_cids=1)
234,989	enrich_references	skos_definition	—	[]	Merged ChEBI/PubChem definitions into skos:definition
234,990	enrich_references	references	[]	[{"@id":"http://jglobal.jst.go.jp/en/redirect?Nikkaji_No=J2.585.381D","provenance":{"prov:wasGeneratedBy":"enrich_refer…	Added references with provenance; cas_numbers=['622-96-8']; matched_chebi_ids=[]; candidate_pubchem_cids=[12160]; selected_pubchem_cids=[12160]; 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
250,560	rdkit_pre_consensus	properties	{"https://w3id.org/chemrof/molecular_formula":{"@id":"https://w3id.org/chemrof/molecular_formula","@value":["C9H12"],"a…	{"https://w3id.org/chemrof/molecular_formula":{"@id":"https://w3id.org/chemrof/molecular_formula","@value":["C9H12"],"a…	rdkit_pre_consensus from 'CCC1=CC=C(C=C1)C'; added: molecular_mass, monoisotopic_mass
262,722	consensus_match	altLabel	[]	[{"@value":"1-Ethyl-4-methylbenzene","@language":"en","source":{"prov:wasGeneratedBy":"consensus_match","prov:wasAttrib…	group_key=4-ethyltoluene\|\|dimension=Environmental > media=Air > strata=Unknown; cas=622-96-8; added Common Chemistry CAS names as altLabel: 1-Ethyl-4-methylbenzene, 1-Methyl-4-ethylbenzene, 4-Methyl-1-ethylbenzene, 4-Methylethylbenzene, <em>p</em>-Ethylmethylbenzene, <em>p</em>-Ethyltoluene, <em>p</em>-Methylethylbenzene, Benzene, 1-ethyl-4-methyl-, NSC 74177, Toluene, <em>p</em>-ethyl-; object_uuid=fo-e8d752578aed0adf
262,723	consensus_match	cas_match_labels	—	{"622-96-8":"exactMatch"}	group_key=4-ethyltoluene\|\|dimension=Environmental > media=Air > strata=Unknown; group_sources=['ec_inventory', 'pubchem']; cas_sources={'622-96-8': ['ec_inventory', 'pubchem']}; assigned CAS labels from group consensus; object_uuid=fo-e8d752578aed0adf: {'622-96-8': 'exactMatch'}
275,724	opsin_iupac	properties	{"https://w3id.org/chemrof/molecular_formula":{"@id":"https://w3id.org/chemrof/molecular_formula","@value":["C9H12"],"a…	{"https://w3id.org/chemrof/molecular_formula":{"@id":"https://w3id.org/chemrof/molecular_formula","@value":["C9H12"],"a…	opsin_iupac: set authoritative IUPAC name, SMILES, InChI from '4-ethyltoluene'
282,280	rdkit_post_consensus	properties	{"https://w3id.org/chemrof/molecular_formula":{"@id":"https://w3id.org/chemrof/molecular_formula","@value":["C9H12"],"a…	{"https://w3id.org/chemrof/molecular_formula":{"@id":"https://w3id.org/chemrof/molecular_formula","@value":["C9H12"],"a…	rdkit_post_consensus from 'CCc1ccc(C)cc1'; confirmed: smiles_string, inchi2d_string, inchi2d_key_string, molecular_formula, molecular_mass, monoisotopic_mass
288,946	strip_catalogue_altlabels	altLabel	[{"@value":"1-Ethyl-4-methylbenzene","@language":"en","source":{"prov:wasGeneratedBy":"consensus_match","prov:wasAttrib…	[{"@value":"1-Ethyl-4-methylbenzene","@language":"en","source":{"prov:wasGeneratedBy":"consensus_match","prov:wasAttrib…	Removed 1 catalogue altLabel value(s): 'NSC 74177' (registry code)
299,504	carry_associations_onto_flows	concept_associations	[]	[{"@type":"xkos:ConceptAssociation","xkos:sourceConcept":{"@id":"https://vocab.brightway.one/ef/3.1/flow/08a91e70-3ddc-…	associations resolved on the elementary layer
299,505	carry_associations_onto_flows	concept_associations	[]	[{"@type":"xkos:ConceptAssociation","xkos:sourceConcept":{"@id":"https://vocab.brightway.one/ef/3.1/flow/08a91e70-3ddc-…	associations resolved on the elementary layer
306,704	carry_associations_onto_flows	concept_associations	[]	[{"@type":"xkos:ConceptAssociation","xkos:sourceConcept":{"@id":"https://vocab.brightway.one/ef/3.1/flow/172a3da6-6556-…	associations resolved on the elementary layer
306,705	carry_associations_onto_flows	concept_associations	[]	[{"@type":"xkos:ConceptAssociation","xkos:sourceConcept":{"@id":"https://vocab.brightway.one/ef/3.1/flow/172a3da7-6556-…	associations resolved on the elementary layer
306,706	carry_associations_onto_flows	concept_associations	[]	[{"@type":"xkos:ConceptAssociation","xkos:sourceConcept":{"@id":"https://vocab.brightway.one/ef/3.1/flow/172a3da8-6556-…	associations resolved on the elementary layer
306,709	carry_associations_onto_flows	concept_associations	[]	[{"@type":"xkos:ConceptAssociation","xkos:sourceConcept":{"@id":"https://vocab.brightway.one/ef/3.1/flow/172a3dac-6556-…	associations resolved on the elementary layer
306,710	carry_associations_onto_flows	concept_associations	[]	[{"@type":"xkos:ConceptAssociation","xkos:sourceConcept":{"@id":"https://vocab.brightway.one/ef/3.1/flow/172a3dad-6556-…	associations resolved on the elementary layer
306,711	carry_associations_onto_flows	concept_associations	[]	[{"@type":"xkos:ConceptAssociation","xkos:sourceConcept":{"@id":"https://vocab.brightway.one/ef/3.1/flow/172a3dae-6556-…	associations resolved on the elementary layer
306,712	carry_associations_onto_flows	concept_associations	[]	[{"@type":"xkos:ConceptAssociation","xkos:sourceConcept":{"@id":"https://vocab.brightway.one/ef/3.1/flow/172a3daf-6556-…	associations resolved on the elementary layer
306,713	carry_associations_onto_flows	concept_associations	[]	[{"@type":"xkos:ConceptAssociation","xkos:sourceConcept":{"@id":"https://vocab.brightway.one/ef/3.1/flow/172a3db0-6556-…	associations resolved on the elementary layer
385,819	carry_associations_onto_flows	concept_associations	[]	[{"@type":"xkos:ConceptAssociation","xkos:sourceConcept":{"@id":"https://vocab.brightway.one/ef/3.1/flow/fe0acd60-3ddc-…	associations resolved on the elementary layer
385,820	carry_associations_onto_flows	concept_associations	[]	[{"@type":"xkos:ConceptAssociation","xkos:sourceConcept":{"@id":"https://vocab.brightway.one/ef/3.1/flow/fe0acd60-3ddc-…	associations resolved on the elementary layer