Changes

#	Step	Field	From	To	Why
25,526	bootstrap_labels	prefLabel	—	[{"@value":"methacrolein","@language":"en","source":{"prov:wasGeneratedBy":"bootstrap_labels","prov:wasAttributedTo":"c…	Bootstrapped prefLabel from legacy name field
25,527	bootstrap_labels	name	methacrolein	—	Purged legacy name field to enforce prefLabel usage
25,528	bootstrap_labels	synonyms	[".alpha.-Methacrolein",".alpha.-Methylacrolein","2-Methyl-2-propenal","2-Methylacrolein","2-Methylacrylaldehyde","2-Me…	[]	Removed legacy synonyms field in favor of structured labels
185,345	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
185,346	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
207,661	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)
207,662	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)
207,663	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
207,664	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
207,665	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
207,666	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
207,667	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
207,668	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
207,669	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)
207,670	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)
207,671	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
207,672	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
207,673	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
207,674	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
207,675	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
207,676	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
211,035	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
211,036	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
211,037	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
211,038	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
211,039	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
211,040	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
221,026	unit_normalization	unit_iri	—	https://vocab.brightway.one/units/unit/KiloGM	Unit IRI set from normalization of 'kg'
226,611	normalize_name_case	prefLabel	[{"@value":"methacrolein","@language":"en","source":{"prov:wasGeneratedBy":"bootstrap_labels","prov:wasAttributedTo":"c…	[{"@value":"Methacrolein","@language":"en","source":{"prov:wasGeneratedBy":"bootstrap_labels","prov:wasAttributedTo":"c…	Title-cased words without internal capitals (preserved words with uppercase letters beyond the first character)
227,132	ec_cross_check	ec_numbers	[]	["201-150-1"]	Resolved from EC-inventory: 201-150-1 from CAS 78-85-3
248,248	enrich_references	properties	{}	{"https://w3id.org/chemrof/molecular_formula":{"@id":"https://w3id.org/chemrof/molecular_formula","@value":["C4H6O"],"a…	Added ChEBI/PubChem properties (chebi_ids=0, pubchem_cids=1)
248,249	enrich_references	skos_definition	—	[]	Merged ChEBI/PubChem definitions into skos:definition
248,250	enrich_references	references	[]	[{"@id":"http://jglobal.jst.go.jp/en/redirect?Nikkaji_No=J1.484B","provenance":{"prov:wasGeneratedBy":"enrich_reference…	Added references with provenance; cas_numbers=['78-85-3']; matched_chebi_ids=[]; candidate_pubchem_cids=[6562]; selected_pubchem_cids=[6562]; 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
254,374	rdkit_pre_consensus	properties	{"https://w3id.org/chemrof/molecular_formula":{"@id":"https://w3id.org/chemrof/molecular_formula","@value":["C4H6O"],"a…	{"https://w3id.org/chemrof/molecular_formula":{"@id":"https://w3id.org/chemrof/molecular_formula","@value":["C4H6O"],"a…	rdkit_pre_consensus from 'CC(=C)C=O'; added: molecular_mass, monoisotopic_mass
268,621	consensus_match	altLabel	[]	[{"@value":"2-Formyl-1-propene","@language":"en","source":{"prov:wasGeneratedBy":"consensus_match","prov:wasAttributedT…	group_key=methacrolein\|\|dimension=Environmental > media=Air > strata=Aircraft cruise height; cas=78-85-3; added Common Chemistry CAS names as altLabel: 2-Formyl-1-propene, 2-Methacrolein, 2-Methyl-2-propen-1-al, 2-Methyl-2-propenal, 2-Methylacrolein, 2-Methylenepropanal, 2-Methylpropenal, 2-Propenal, 2-methyl-, Isobutenal, Methacrylaldehyde, Methacrylic aldehyde, Methylacrolein, Methylacrylaldehyde, NSC 8260, α-Methacrolein, α-Methylacrolein, α-Methylacrylaldehyde; object_uuid=fo-2306839623d19bb9
268,622	consensus_match	cas_match_labels	—	{"78-85-3":"exactMatch"}	group_key=methacrolein\|\|dimension=Environmental > media=Air > strata=Aircraft cruise height; group_sources=['ec_inventory', 'pubchem']; cas_sources={'78-85-3': ['ec_inventory', 'pubchem']}; assigned CAS labels from group consensus; object_uuid=fo-2306839623d19bb9: {'78-85-3': 'exactMatch'}
279,734	opsin_iupac	properties	{"https://w3id.org/chemrof/molecular_formula":{"@id":"https://w3id.org/chemrof/molecular_formula","@value":["C4H6O"],"a…	{"https://w3id.org/chemrof/molecular_formula":{"@id":"https://w3id.org/chemrof/molecular_formula","@value":["C4H6O"],"a…	opsin_iupac: set authoritative IUPAC name, SMILES, InChI from 'Methacrolein'
286,628	rdkit_post_consensus	properties	{"https://w3id.org/chemrof/molecular_formula":{"@id":"https://w3id.org/chemrof/molecular_formula","@value":["C4H6O"],"a…	{"https://w3id.org/chemrof/molecular_formula":{"@id":"https://w3id.org/chemrof/molecular_formula","@value":["C4H6O"],"a…	rdkit_post_consensus from 'C=C(C)C=O'; confirmed: smiles_string, inchi2d_string, inchi2d_key_string, molecular_formula, molecular_mass, monoisotopic_mass
291,858	strip_catalogue_altlabels	altLabel	[{"@value":"2-Formyl-1-propene","@language":"en","source":{"prov:wasGeneratedBy":"consensus_match","prov:wasAttributedT…	[{"@value":"2-Formyl-1-propene","@language":"en","source":{"prov:wasGeneratedBy":"consensus_match","prov:wasAttributedT…	Removed 1 catalogue altLabel value(s): 'NSC 8260' (registry code)
373,729	carry_associations_onto_flows	concept_associations	[]	[{"@type":"xkos:ConceptAssociation","xkos:sourceConcept":{"@id":"https://vocab.brightway.one/ef/3.1/flow/e2faddca-6555-…	associations resolved on the elementary layer
384,895	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
384,896	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
384,897	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
384,898	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
384,899	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
384,900	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
384,901	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
384,902	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
386,589	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
386,590	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