{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2016:ZR7NHB3H754LE4MNKWDQQMMSO3","short_pith_number":"pith:ZR7NHB3H","schema_version":"1.0","canonical_sha256":"cc7ed38767ff78b2718d558708319276c32bb4425e7de6668ecf9c43b6b36bdf","source":{"kind":"arxiv","id":"1701.00075","version":1},"attestation_state":"computed","paper":{"title":"Extending Baire-one functions on compact spaces","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"math.GN","authors_text":"Olena Karlova, Volodymyr Mykhaylyuk","submitted_at":"2016-12-31T09:01:21Z","abstract_excerpt":"We answer a question of O. Kalenda and J. Spurn\\'{y} and give an example of a completely regular hereditarily Baire space $X$ and a Baire-one function $f:X\\to [0,1]$ which can not be extended to a Baire-one function on $\\beta X$."},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1701.00075","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.GN","submitted_at":"2016-12-31T09:01:21Z","cross_cats_sorted":[],"title_canon_sha256":"63f08f98263ce676ad719b18d2e5259181588ed7726968d9012a9ceef13cb024","abstract_canon_sha256":"72fdebeeddf10cba6cb5c38441a27dae2e124060019921b75ac01ed9f952c34f"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:53:39.488345Z","signature_b64":"UtfvZuLP64qb5bZTVz/XUyNTl1O6Pja9UQgisLkV1QXFNrgltlS8+RQjjzlwuu+7nFXby/uwGlq0nn79oWRsAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"cc7ed38767ff78b2718d558708319276c32bb4425e7de6668ecf9c43b6b36bdf","last_reissued_at":"2026-05-18T00:53:39.487902Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:53:39.487902Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Extending Baire-one functions on compact spaces","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"math.GN","authors_text":"Olena Karlova, Volodymyr Mykhaylyuk","submitted_at":"2016-12-31T09:01:21Z","abstract_excerpt":"We answer a question of O. Kalenda and J. Spurn\\'{y} and give an example of a completely regular hereditarily Baire space $X$ and a Baire-one function $f:X\\to [0,1]$ which can not be extended to a Baire-one function on $\\beta X$."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1701.00075","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"aliases":[{"alias_kind":"arxiv","alias_value":"1701.00075","created_at":"2026-05-18T00:53:39.487974+00:00"},{"alias_kind":"arxiv_version","alias_value":"1701.00075v1","created_at":"2026-05-18T00:53:39.487974+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1701.00075","created_at":"2026-05-18T00:53:39.487974+00:00"},{"alias_kind":"pith_short_12","alias_value":"ZR7NHB3H754L","created_at":"2026-05-18T12:30:55.937587+00:00"},{"alias_kind":"pith_short_16","alias_value":"ZR7NHB3H754LE4MN","created_at":"2026-05-18T12:30:55.937587+00:00"},{"alias_kind":"pith_short_8","alias_value":"ZR7NHB3H","created_at":"2026-05-18T12:30:55.937587+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/ZR7NHB3H754LE4MNKWDQQMMSO3","json":"https://pith.science/pith/ZR7NHB3H754LE4MNKWDQQMMSO3.json","graph_json":"https://pith.science/api/pith-number/ZR7NHB3H754LE4MNKWDQQMMSO3/graph.json","events_json":"https://pith.science/api/pith-number/ZR7NHB3H754LE4MNKWDQQMMSO3/events.json","paper":"https://pith.science/paper/ZR7NHB3H"},"agent_actions":{"view_html":"https://pith.science/pith/ZR7NHB3H754LE4MNKWDQQMMSO3","download_json":"https://pith.science/pith/ZR7NHB3H754LE4MNKWDQQMMSO3.json","view_paper":"https://pith.science/paper/ZR7NHB3H","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1701.00075&json=true","fetch_graph":"https://pith.science/api/pith-number/ZR7NHB3H754LE4MNKWDQQMMSO3/graph.json","fetch_events":"https://pith.science/api/pith-number/ZR7NHB3H754LE4MNKWDQQMMSO3/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/ZR7NHB3H754LE4MNKWDQQMMSO3/action/timestamp_anchor","attest_storage":"https://pith.science/pith/ZR7NHB3H754LE4MNKWDQQMMSO3/action/storage_attestation","attest_author":"https://pith.science/pith/ZR7NHB3H754LE4MNKWDQQMMSO3/action/author_attestation","sign_citation":"https://pith.science/pith/ZR7NHB3H754LE4MNKWDQQMMSO3/action/citation_signature","submit_replication":"https://pith.science/pith/ZR7NHB3H754LE4MNKWDQQMMSO3/action/replication_record"}},"created_at":"2026-05-18T00:53:39.487974+00:00","updated_at":"2026-05-18T00:53:39.487974+00:00"}