Changes

#	Step	Field	From	To	Why
25,147	bootstrap_labels	prefLabel	—	[{"@value":"polonium","@language":"en","source":{"prov:wasGeneratedBy":"bootstrap_labels","prov:wasAttributedTo":"conse…	Bootstrapped prefLabel from legacy name field
25,148	bootstrap_labels	name	polonium	—	Purged legacy name field to enforce prefLabel usage
25,149	bootstrap_labels	synonyms	["84Po","AC1O3H01","polonio"]	[]	Removed legacy synonyms field in favor of structured labels
171,340	default_context_mapping	context	—	{"dimension":"Resource","media":"Ground"}	Mapped from context mapping for source=EF 3.1, source context Resources > Resources from ground > Non-renewable element resources from ground
171,341	default_context_mapping	context_iri	—	https://vocab.brightway.one/flow-contexts/reso-grou	Mapped from context mapping for source=EF 3.1, source context Resources > Resources from ground > Non-renewable element resources from ground
220,947	unit_normalization	unit_iri	—	https://vocab.brightway.one/units/unit/KiloGM	Unit IRI set from normalization of 'kg'
226,548	normalize_name_case	prefLabel	[{"@value":"polonium","@language":"en","source":{"prov:wasGeneratedBy":"bootstrap_labels","prov:wasAttributedTo":"conse…	[{"@value":"Polonium","@language":"en","source":{"prov:wasGeneratedBy":"bootstrap_labels","prov:wasAttributedTo":"conse…	Title-cased words without internal capitals (preserved words with uppercase letters beyond the first character)
227,125	ec_cross_check	ec_numbers	[]	["231-118-2"]	Resolved from EC-inventory: 231-118-2 from CAS 7440-08-6
248,160	enrich_references	properties	{}	{"https://w3id.org/chemrof/molecular_formula":{"@id":"https://w3id.org/chemrof/molecular_formula","@value":["Po"],"atte…	Added ChEBI/PubChem properties (chebi_ids=1, pubchem_cids=1)
248,161	enrich_references	skos_definition	—	[{"@value":"A radioactive metallic element discovered in 1898 by Marie Sklodowska Curie and named after her home countr…	Merged ChEBI/PubChem definitions into skos:definition
248,162	enrich_references	references	[]	[{"@id":"gmelin:40435","provenance":{"prov:wasGeneratedBy":"enrich_references.chebi_xrefs","prov:wasAttributedTo":"cons…	Added references with provenance; cas_numbers=['7440-08-6']; matched_chebi_ids=['http://purl.obolibrary.org/obo/CHEBI_33313']; candidate_pubchem_cids=[6328143]; selected_pubchem_cids=[6328143]; formula_similarity_expected=['Po']; pubchem_selection_rule=curated_cas_then_formula_similarity_then_prefer_chebi_aligned_when_unambiguous_else_keep_all_cas_matches; single_cas_commonchem_link=yes
257,378	chebi_altlabels	altLabel	[]	[{"@value":"84Po","@language":"en","source":{"prov:wasGeneratedBy":"chebi_altlabels","prov:wasAttributedTo":"consensus-…	Added 3 ChEBI synonym(s) as altLabel from 1 linked ChEBI record(s)
270,811	consensus_match	altLabel	[{"@value":"84Po","@language":"en","source":{"prov:wasGeneratedBy":"chebi_altlabels","prov:wasAttributedTo":"consensus-…	[{"@value":"84Po","@language":"en","source":{"prov:wasGeneratedBy":"chebi_altlabels","prov:wasAttributedTo":"consensus-…	group_key=polonium\|\|dimension=Resource > media=Ground; cas=7440-08-6; added Common Chemistry CAS names as altLabel: MeSH ID: D011059; object_uuid=fo-5380186418f7577b
270,812	consensus_match	cas_match_labels	—	{"7440-08-6":"exactMatch"}	group_key=polonium\|\|dimension=Resource > media=Ground; group_sources=['chebi', 'ec_inventory', 'pubchem']; cas_sources={'7440-08-6': ['chebi', 'ec_inventory', 'pubchem']}; assigned CAS labels from group consensus; object_uuid=fo-5380186418f7577b: {'7440-08-6': 'exactMatch'}
279,713	opsin_iupac	properties	{"https://w3id.org/chemrof/molecular_formula":{"@id":"https://w3id.org/chemrof/molecular_formula","@value":["Po"],"atte…	{"https://w3id.org/chemrof/molecular_formula":{"@id":"https://w3id.org/chemrof/molecular_formula","@value":["Po"],"atte…	opsin_iupac: set authoritative IUPAC name, SMILES, InChI from 'Polonium'
286,605	rdkit_post_consensus	properties	{"https://w3id.org/chemrof/molecular_formula":{"@id":"https://w3id.org/chemrof/molecular_formula","@value":["Po"],"atte…	{"https://w3id.org/chemrof/molecular_formula":{"@id":"https://w3id.org/chemrof/molecular_formula","@value":["Po"],"atte…	rdkit_post_consensus from '[Po]'; confirmed: smiles_string, inchi2d_string, inchi2d_key_string, molecular_formula, molecular_mass, monoisotopic_mass
366,716	carry_associations_onto_flows	concept_associations	[]	[{"@type":"xkos:ConceptAssociation","xkos:sourceConcept":{"@id":"https://vocab.brightway.one/ef/3.1/flow/cd375ebd-60f8-…	associations resolved on the elementary layer
394,120	normalise_property_values	properties	{"https://w3id.org/chemrof/molecular_formula":{"@id":"https://w3id.org/chemrof/molecular_formula","@value":["Po"],"atte…	{"https://w3id.org/chemrof/molecular_formula":{"@id":"https://w3id.org/chemrof/molecular_formula","@value":["Po"],"atte…	typed the way the ontology types it
403,588	link_flows_to_their_substance	types	—	["https://w3id.org/chemrof/ChemicalElement"]	the substance's answer, copied onto its flow
403,589	link_flows_to_their_substance	properties	{"https://w3id.org/chemrof/molecular_formula":{"@id":"https://w3id.org/chemrof/molecular_formula","@value":["Po"],"atte…	{"https://w3id.org/chemrof/molecular_formula":{"@id":"https://w3id.org/chemrof/molecular_formula","@value":["Po"],"atte…	the substance's answer, copied onto its flow
403,863	flow_layers.pubchem_element_enrichment	prefLabel	[{"@value":"Polonium","@language":"en","source":{"prov:wasGeneratedBy":"bootstrap_labels","prov:wasAttributedTo":"conse…	[{"@value":"Polonium","@language":"en","@lang":"en","source":{"prov:wasGeneratedBy":"flow_layers.pubchem_element_enrich…	element name from the flow object: Polonium