{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:TT5G7YDS27BK4QWEKF67T4IEHZ","short_pith_number":"pith:TT5G7YDS","canonical_record":{"source":{"id":"1504.04967","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2015-04-20T08:37:37Z","cross_cats_sorted":[],"title_canon_sha256":"db19ca3026813f8ef09f23f2df757eadc69b556cf24734bbbb4587692615fe0c","abstract_canon_sha256":"88d9d27898dfc2606fd43f3a8ad86a2bb90af211596ac8ecee1343ad1c809570"},"schema_version":"1.0"},"canonical_sha256":"9cfa6fe072d7c2ae42c4517df9f1043e4e33b1fa550c1b6bd75d5a34a2f5c557","source":{"kind":"arxiv","id":"1504.04967","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1504.04967","created_at":"2026-05-18T02:17:44Z"},{"alias_kind":"arxiv_version","alias_value":"1504.04967v2","created_at":"2026-05-18T02:17:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1504.04967","created_at":"2026-05-18T02:17:44Z"},{"alias_kind":"pith_short_12","alias_value":"TT5G7YDS27BK","created_at":"2026-05-18T12:29:42Z"},{"alias_kind":"pith_short_16","alias_value":"TT5G7YDS27BK4QWE","created_at":"2026-05-18T12:29:42Z"},{"alias_kind":"pith_short_8","alias_value":"TT5G7YDS","created_at":"2026-05-18T12:29:42Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:TT5G7YDS27BK4QWEKF67T4IEHZ","target":"record","payload":{"canonical_record":{"source":{"id":"1504.04967","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2015-04-20T08:37:37Z","cross_cats_sorted":[],"title_canon_sha256":"db19ca3026813f8ef09f23f2df757eadc69b556cf24734bbbb4587692615fe0c","abstract_canon_sha256":"88d9d27898dfc2606fd43f3a8ad86a2bb90af211596ac8ecee1343ad1c809570"},"schema_version":"1.0"},"canonical_sha256":"9cfa6fe072d7c2ae42c4517df9f1043e4e33b1fa550c1b6bd75d5a34a2f5c557","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:17:44.720008Z","signature_b64":"wVzXtIHWyH2mRUg0fFvUyNUnGAlR9yyXtsaaS+5MTlITpB/3IF5SCm2h5wnyKGgdxoY1nUB+XTABCS477A6rDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9cfa6fe072d7c2ae42c4517df9f1043e4e33b1fa550c1b6bd75d5a34a2f5c557","last_reissued_at":"2026-05-18T02:17:44.719596Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:17:44.719596Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1504.04967","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T02:17:44Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"KX1JdWPlw6RXvsWCItP1239BNFcCrDCJuyaJzqHpZmQiVoKylR6t4blBcBKPazVwe6GO/1f+1oLlTtWEHnSHDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T10:14:11.551387Z"},"content_sha256":"c19b1f6793decd501d993d3e5e7465364cdbcc1e81434aba5b0fadc20308c789","schema_version":"1.0","event_id":"sha256:c19b1f6793decd501d993d3e5e7465364cdbcc1e81434aba5b0fadc20308c789"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:TT5G7YDS27BK4QWEKF67T4IEHZ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Whether the Classical O-C Diagram can be used to Multi-mode Pulsators","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"Hui-Fang Xue, Jian-Ning Fu, Jia-Shu Niu, Yang Wang","submitted_at":"2015-04-20T08:37:37Z","abstract_excerpt":"O-C diagram is a useful technique to analyse the period changes of a pulsator by using the maximum (or minimum) value points which have been obtained from the historical data. But if an object is a double-mode or multi-mode pulsator, the extreme value points are the results of all the modes other than just the fundamental mode. We discussed these situations and give out some criteria to judge whether the O-C diagram can be used in these situations."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1504.04967","kind":"arxiv","version":2},"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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T02:17:44Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1mS3X11UVccUxgw3snuNEWcttscrsoidu03x+nMjE0VyYhmzogvGbIGdhmvTrX0SVWid4K4otjQeCl6W7tGzAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T10:14:11.551733Z"},"content_sha256":"57286c3ae4f91459c9d1f5fdb09c95961065cb0466800cbe3ffde968c1b407cb","schema_version":"1.0","event_id":"sha256:57286c3ae4f91459c9d1f5fdb09c95961065cb0466800cbe3ffde968c1b407cb"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/TT5G7YDS27BK4QWEKF67T4IEHZ/bundle.json","state_url":"https://pith.science/pith/TT5G7YDS27BK4QWEKF67T4IEHZ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/TT5G7YDS27BK4QWEKF67T4IEHZ/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-06-03T10:14:11Z","links":{"resolver":"https://pith.science/pith/TT5G7YDS27BK4QWEKF67T4IEHZ","bundle":"https://pith.science/pith/TT5G7YDS27BK4QWEKF67T4IEHZ/bundle.json","state":"https://pith.science/pith/TT5G7YDS27BK4QWEKF67T4IEHZ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/TT5G7YDS27BK4QWEKF67T4IEHZ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:TT5G7YDS27BK4QWEKF67T4IEHZ","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"88d9d27898dfc2606fd43f3a8ad86a2bb90af211596ac8ecee1343ad1c809570","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2015-04-20T08:37:37Z","title_canon_sha256":"db19ca3026813f8ef09f23f2df757eadc69b556cf24734bbbb4587692615fe0c"},"schema_version":"1.0","source":{"id":"1504.04967","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1504.04967","created_at":"2026-05-18T02:17:44Z"},{"alias_kind":"arxiv_version","alias_value":"1504.04967v2","created_at":"2026-05-18T02:17:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1504.04967","created_at":"2026-05-18T02:17:44Z"},{"alias_kind":"pith_short_12","alias_value":"TT5G7YDS27BK","created_at":"2026-05-18T12:29:42Z"},{"alias_kind":"pith_short_16","alias_value":"TT5G7YDS27BK4QWE","created_at":"2026-05-18T12:29:42Z"},{"alias_kind":"pith_short_8","alias_value":"TT5G7YDS","created_at":"2026-05-18T12:29:42Z"}],"graph_snapshots":[{"event_id":"sha256:57286c3ae4f91459c9d1f5fdb09c95961065cb0466800cbe3ffde968c1b407cb","target":"graph","created_at":"2026-05-18T02:17:44Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"paper":{"abstract_excerpt":"O-C diagram is a useful technique to analyse the period changes of a pulsator by using the maximum (or minimum) value points which have been obtained from the historical data. But if an object is a double-mode or multi-mode pulsator, the extreme value points are the results of all the modes other than just the fundamental mode. We discussed these situations and give out some criteria to judge whether the O-C diagram can be used in these situations.","authors_text":"Hui-Fang Xue, Jian-Ning Fu, Jia-Shu Niu, Yang Wang","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2015-04-20T08:37:37Z","title":"Whether the Classical O-C Diagram can be used to Multi-mode Pulsators"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1504.04967","kind":"arxiv","version":2},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:c19b1f6793decd501d993d3e5e7465364cdbcc1e81434aba5b0fadc20308c789","target":"record","created_at":"2026-05-18T02:17:44Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"88d9d27898dfc2606fd43f3a8ad86a2bb90af211596ac8ecee1343ad1c809570","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2015-04-20T08:37:37Z","title_canon_sha256":"db19ca3026813f8ef09f23f2df757eadc69b556cf24734bbbb4587692615fe0c"},"schema_version":"1.0","source":{"id":"1504.04967","kind":"arxiv","version":2}},"canonical_sha256":"9cfa6fe072d7c2ae42c4517df9f1043e4e33b1fa550c1b6bd75d5a34a2f5c557","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9cfa6fe072d7c2ae42c4517df9f1043e4e33b1fa550c1b6bd75d5a34a2f5c557","first_computed_at":"2026-05-18T02:17:44.719596Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:17:44.719596Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"wVzXtIHWyH2mRUg0fFvUyNUnGAlR9yyXtsaaS+5MTlITpB/3IF5SCm2h5wnyKGgdxoY1nUB+XTABCS477A6rDw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:17:44.720008Z","signed_message":"canonical_sha256_bytes"},"source_id":"1504.04967","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c19b1f6793decd501d993d3e5e7465364cdbcc1e81434aba5b0fadc20308c789","sha256:57286c3ae4f91459c9d1f5fdb09c95961065cb0466800cbe3ffde968c1b407cb"],"state_sha256":"41050319842f68be3a5cdfb7ba3e1dc3d6d5ad74136e663714f242df3862cb16"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"AGPS7LDFqugs3jBbvKe/QhyJ+UEhetZaxH5XgsYjVPuRJWo7N4i6y9+eRS9YVIS1J0WajYcqw4zOpThyFDdgDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-03T10:14:11.553677Z","bundle_sha256":"318d51a503aeaf3edd2150ba3af1b729704b0f306618c9a586eeded54e04f7bf"}}