{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2015:5FA5DSUV7RNIOVMUU333IRWKUZ","short_pith_number":"pith:5FA5DSUV","schema_version":"1.0","canonical_sha256":"e941d1ca95fc5a875594a6f7b446caa661ee52e7d9effd4801cb5ff042078a52","source":{"kind":"arxiv","id":"1503.04087","version":1},"attestation_state":"computed","paper":{"title":"Existence and multiplicity of periodic solutions for a hematopoiesis model","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"math.CA","authors_text":"Pablo Amster, Roc\\'io Balderrama","submitted_at":"2015-03-13T14:39:18Z","abstract_excerpt":"A general nonautonomous Mackey-Glass equation for the regulation of the hematopoiesis with several non-constant delays is studied. Using topological degree methods, we prove the existence and multiplicity of positive periodic solutions."},"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":"1503.04087","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.CA","submitted_at":"2015-03-13T14:39:18Z","cross_cats_sorted":[],"title_canon_sha256":"a8c8485ca6b45a89289a006e2b6283563c5c3420d5d85c48e6b30bb72aed89c2","abstract_canon_sha256":"d96844ceee027bebf2e32a55e970ca117ed1f7fe7672de2911b4a5b239d229ff"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:23:57.101691Z","signature_b64":"zNlbsue1woKnl+xmzDVsR9/qB92CO5OoL6ynerlNEj3OGxDF0NCfzmywftAS1OEIq9dtQfMe0t97OIuEPtjFAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e941d1ca95fc5a875594a6f7b446caa661ee52e7d9effd4801cb5ff042078a52","last_reissued_at":"2026-05-18T02:23:57.100893Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:23:57.100893Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Existence and multiplicity of periodic solutions for a hematopoiesis model","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"math.CA","authors_text":"Pablo Amster, Roc\\'io Balderrama","submitted_at":"2015-03-13T14:39:18Z","abstract_excerpt":"A general nonautonomous Mackey-Glass equation for the regulation of the hematopoiesis with several non-constant delays is studied. Using topological degree methods, we prove the existence and multiplicity of positive periodic solutions."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1503.04087","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":"1503.04087","created_at":"2026-05-18T02:23:57.101025+00:00"},{"alias_kind":"arxiv_version","alias_value":"1503.04087v1","created_at":"2026-05-18T02:23:57.101025+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1503.04087","created_at":"2026-05-18T02:23:57.101025+00:00"},{"alias_kind":"pith_short_12","alias_value":"5FA5DSUV7RNI","created_at":"2026-05-18T12:29:05.191682+00:00"},{"alias_kind":"pith_short_16","alias_value":"5FA5DSUV7RNIOVMU","created_at":"2026-05-18T12:29:05.191682+00:00"},{"alias_kind":"pith_short_8","alias_value":"5FA5DSUV","created_at":"2026-05-18T12:29:05.191682+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/5FA5DSUV7RNIOVMUU333IRWKUZ","json":"https://pith.science/pith/5FA5DSUV7RNIOVMUU333IRWKUZ.json","graph_json":"https://pith.science/api/pith-number/5FA5DSUV7RNIOVMUU333IRWKUZ/graph.json","events_json":"https://pith.science/api/pith-number/5FA5DSUV7RNIOVMUU333IRWKUZ/events.json","paper":"https://pith.science/paper/5FA5DSUV"},"agent_actions":{"view_html":"https://pith.science/pith/5FA5DSUV7RNIOVMUU333IRWKUZ","download_json":"https://pith.science/pith/5FA5DSUV7RNIOVMUU333IRWKUZ.json","view_paper":"https://pith.science/paper/5FA5DSUV","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1503.04087&json=true","fetch_graph":"https://pith.science/api/pith-number/5FA5DSUV7RNIOVMUU333IRWKUZ/graph.json","fetch_events":"https://pith.science/api/pith-number/5FA5DSUV7RNIOVMUU333IRWKUZ/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/5FA5DSUV7RNIOVMUU333IRWKUZ/action/timestamp_anchor","attest_storage":"https://pith.science/pith/5FA5DSUV7RNIOVMUU333IRWKUZ/action/storage_attestation","attest_author":"https://pith.science/pith/5FA5DSUV7RNIOVMUU333IRWKUZ/action/author_attestation","sign_citation":"https://pith.science/pith/5FA5DSUV7RNIOVMUU333IRWKUZ/action/citation_signature","submit_replication":"https://pith.science/pith/5FA5DSUV7RNIOVMUU333IRWKUZ/action/replication_record"}},"created_at":"2026-05-18T02:23:57.101025+00:00","updated_at":"2026-05-18T02:23:57.101025+00:00"}