{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2015:42FQPH6UHIKE3PFSNFROJ6TSC3","short_pith_number":"pith:42FQPH6U","schema_version":"1.0","canonical_sha256":"e68b079fd43a144dbcb26962e4fa7216fe81b266b9e4b76a85b8f3ae3a43800c","source":{"kind":"arxiv","id":"1503.09112","version":1},"attestation_state":"computed","paper":{"title":"On the Combinatorics of Palindromes and Antipalindromes","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.FL","authors_text":"Arseny M. Shur, Chuan Guo, Jeffrey Shallit","submitted_at":"2015-03-31T16:26:13Z","abstract_excerpt":"We prove a number of results on the structure and enumeration of palindromes and antipalindromes. In particular, we study conjugates of palindromes, palindromic pairs, rich words, and the counterparts of these notions for antipalindromes."},"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":"1503.09112","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.FL","submitted_at":"2015-03-31T16:26:13Z","cross_cats_sorted":[],"title_canon_sha256":"416a0f47797751c4138151cbfe0098cee08a6c7117c1de5a192586ad963ebfc4","abstract_canon_sha256":"5920e78e067320ed9416774ada7ce46be829a6ca0982b8984566b0b554e3ea01"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:04:50.626973Z","signature_b64":"xrgZb0adUCpaFN6OCmE1awVDiYd1R5acWCOVLNmpo9amHoKIi6jhDpiShTleG7eIYVMAH1dJQXKb8K3WbpRDAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e68b079fd43a144dbcb26962e4fa7216fe81b266b9e4b76a85b8f3ae3a43800c","last_reissued_at":"2026-05-18T01:04:50.626527Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:04:50.626527Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"On the Combinatorics of Palindromes and Antipalindromes","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.FL","authors_text":"Arseny M. Shur, Chuan Guo, Jeffrey Shallit","submitted_at":"2015-03-31T16:26:13Z","abstract_excerpt":"We prove a number of results on the structure and enumeration of palindromes and antipalindromes. In particular, we study conjugates of palindromes, palindromic pairs, rich words, and the counterparts of these notions for antipalindromes."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1503.09112","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":"1503.09112","created_at":"2026-05-18T01:04:50.626607+00:00"},{"alias_kind":"arxiv_version","alias_value":"1503.09112v1","created_at":"2026-05-18T01:04:50.626607+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1503.09112","created_at":"2026-05-18T01:04:50.626607+00:00"},{"alias_kind":"pith_short_12","alias_value":"42FQPH6UHIKE","created_at":"2026-05-18T12:29:02.477457+00:00"},{"alias_kind":"pith_short_16","alias_value":"42FQPH6UHIKE3PFS","created_at":"2026-05-18T12:29:02.477457+00:00"},{"alias_kind":"pith_short_8","alias_value":"42FQPH6U","created_at":"2026-05-18T12:29:02.477457+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/42FQPH6UHIKE3PFSNFROJ6TSC3","json":"https://pith.science/pith/42FQPH6UHIKE3PFSNFROJ6TSC3.json","graph_json":"https://pith.science/api/pith-number/42FQPH6UHIKE3PFSNFROJ6TSC3/graph.json","events_json":"https://pith.science/api/pith-number/42FQPH6UHIKE3PFSNFROJ6TSC3/events.json","paper":"https://pith.science/paper/42FQPH6U"},"agent_actions":{"view_html":"https://pith.science/pith/42FQPH6UHIKE3PFSNFROJ6TSC3","download_json":"https://pith.science/pith/42FQPH6UHIKE3PFSNFROJ6TSC3.json","view_paper":"https://pith.science/paper/42FQPH6U","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1503.09112&json=true","fetch_graph":"https://pith.science/api/pith-number/42FQPH6UHIKE3PFSNFROJ6TSC3/graph.json","fetch_events":"https://pith.science/api/pith-number/42FQPH6UHIKE3PFSNFROJ6TSC3/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/42FQPH6UHIKE3PFSNFROJ6TSC3/action/timestamp_anchor","attest_storage":"https://pith.science/pith/42FQPH6UHIKE3PFSNFROJ6TSC3/action/storage_attestation","attest_author":"https://pith.science/pith/42FQPH6UHIKE3PFSNFROJ6TSC3/action/author_attestation","sign_citation":"https://pith.science/pith/42FQPH6UHIKE3PFSNFROJ6TSC3/action/citation_signature","submit_replication":"https://pith.science/pith/42FQPH6UHIKE3PFSNFROJ6TSC3/action/replication_record"}},"created_at":"2026-05-18T01:04:50.626607+00:00","updated_at":"2026-05-18T01:04:50.626607+00:00"}