{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:3PZAPBGV7M46OTM2ROLFHKCXZL","short_pith_number":"pith:3PZAPBGV","canonical_record":{"source":{"id":"1412.0960","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2014-12-02T16:15:06Z","cross_cats_sorted":[],"title_canon_sha256":"574af7c568db143d416c2fdee18081f315fca02a06fb07b041f264ffce35c110","abstract_canon_sha256":"7e2a257806284429f6757f4b491a045193ca56fc208d54e3cbf7eaeb059fe49f"},"schema_version":"1.0"},"canonical_sha256":"dbf20784d5fb39e74d9a8b9653a857cae61e3f376fb323ed833b5ee7c1f3acee","source":{"kind":"arxiv","id":"1412.0960","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1412.0960","created_at":"2026-05-18T01:59:38Z"},{"alias_kind":"arxiv_version","alias_value":"1412.0960v2","created_at":"2026-05-18T01:59:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1412.0960","created_at":"2026-05-18T01:59:38Z"},{"alias_kind":"pith_short_12","alias_value":"3PZAPBGV7M46","created_at":"2026-05-18T12:28:11Z"},{"alias_kind":"pith_short_16","alias_value":"3PZAPBGV7M46OTM2","created_at":"2026-05-18T12:28:11Z"},{"alias_kind":"pith_short_8","alias_value":"3PZAPBGV","created_at":"2026-05-18T12:28:11Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:3PZAPBGV7M46OTM2ROLFHKCXZL","target":"record","payload":{"canonical_record":{"source":{"id":"1412.0960","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2014-12-02T16:15:06Z","cross_cats_sorted":[],"title_canon_sha256":"574af7c568db143d416c2fdee18081f315fca02a06fb07b041f264ffce35c110","abstract_canon_sha256":"7e2a257806284429f6757f4b491a045193ca56fc208d54e3cbf7eaeb059fe49f"},"schema_version":"1.0"},"canonical_sha256":"dbf20784d5fb39e74d9a8b9653a857cae61e3f376fb323ed833b5ee7c1f3acee","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:59:38.166201Z","signature_b64":"JuFv/dhllFGAXaC6WdrXP+FhjbznpmbOac27VWES+1n6H4WRaAeFebB1J6JJNMKHF0ATtyBm71yrpilBeCSWAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"dbf20784d5fb39e74d9a8b9653a857cae61e3f376fb323ed833b5ee7c1f3acee","last_reissued_at":"2026-05-18T01:59:38.165526Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:59:38.165526Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1412.0960","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":"2026-05-18T01:59:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"eH8svUXnXTkzWI/WegZQAk7v8BqP/yGEWH7drwuVQ2Jn/tSV6FJXJXbjzaPo44ngnD8w6bySOgwkcu8gU++7Bg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-22T15:28:28.772107Z"},"content_sha256":"cb6bd69476ebb46aaf58de498b94cc3680679c25ebe5bce9fec25623b1ac88b9","schema_version":"1.0","event_id":"sha256:cb6bd69476ebb46aaf58de498b94cc3680679c25ebe5bce9fec25623b1ac88b9"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:3PZAPBGV7M46OTM2ROLFHKCXZL","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Low frequency QPOs and possible change in the accretion geometry during the outbursts of Aquila X$-$1","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"Wenda Zhang, Wenfei Yu","submitted_at":"2014-12-02T16:15:06Z","abstract_excerpt":"We have studied the evolution of the Low Frequency Quasi-Periodic Oscillations (LFQPOs) during the rising phase of seven outbursts of the neutron star Soft X-ray Transient (SXT) Aql X$-$1 observed with the \\textit{Rossi X-ray Timing Explorer (RXTE)}. The frequency correlation between the low frequency break and the LFQPO sampled on the time scale of $\\sim$2 days was seen. Except for the peculiar 2001 outburst, the frequency of the LFQPOs increased with time before the hard-to-soft state transition up to a maximum $\\nu_{max}$ at $\\sim$31 Hz, a factor of $\\sim$5 higher than those seen in black h"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1412.0960","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":"2026-05-18T01:59:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"81pvSR3DSchO7vtQnY02k2UkW0cTxC3ligflbyQ8im8IqR1kIRRQAwkWCXH+o9ssNzRFtkmkuZ5F5IwbqivmAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-22T15:28:28.772827Z"},"content_sha256":"9a601b49798cc522c37360c7b04636034f55b76dca9d9e9ca32985ef0a2478e5","schema_version":"1.0","event_id":"sha256:9a601b49798cc522c37360c7b04636034f55b76dca9d9e9ca32985ef0a2478e5"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/3PZAPBGV7M46OTM2ROLFHKCXZL/bundle.json","state_url":"https://pith.science/pith/3PZAPBGV7M46OTM2ROLFHKCXZL/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/3PZAPBGV7M46OTM2ROLFHKCXZL/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":"2026-05-22T15:28:28Z","links":{"resolver":"https://pith.science/pith/3PZAPBGV7M46OTM2ROLFHKCXZL","bundle":"https://pith.science/pith/3PZAPBGV7M46OTM2ROLFHKCXZL/bundle.json","state":"https://pith.science/pith/3PZAPBGV7M46OTM2ROLFHKCXZL/state.json","well_known_bundle":"https://pith.science/.well-known/pith/3PZAPBGV7M46OTM2ROLFHKCXZL/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:3PZAPBGV7M46OTM2ROLFHKCXZL","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":"7e2a257806284429f6757f4b491a045193ca56fc208d54e3cbf7eaeb059fe49f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2014-12-02T16:15:06Z","title_canon_sha256":"574af7c568db143d416c2fdee18081f315fca02a06fb07b041f264ffce35c110"},"schema_version":"1.0","source":{"id":"1412.0960","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1412.0960","created_at":"2026-05-18T01:59:38Z"},{"alias_kind":"arxiv_version","alias_value":"1412.0960v2","created_at":"2026-05-18T01:59:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1412.0960","created_at":"2026-05-18T01:59:38Z"},{"alias_kind":"pith_short_12","alias_value":"3PZAPBGV7M46","created_at":"2026-05-18T12:28:11Z"},{"alias_kind":"pith_short_16","alias_value":"3PZAPBGV7M46OTM2","created_at":"2026-05-18T12:28:11Z"},{"alias_kind":"pith_short_8","alias_value":"3PZAPBGV","created_at":"2026-05-18T12:28:11Z"}],"graph_snapshots":[{"event_id":"sha256:9a601b49798cc522c37360c7b04636034f55b76dca9d9e9ca32985ef0a2478e5","target":"graph","created_at":"2026-05-18T01:59:38Z","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":"We have studied the evolution of the Low Frequency Quasi-Periodic Oscillations (LFQPOs) during the rising phase of seven outbursts of the neutron star Soft X-ray Transient (SXT) Aql X$-$1 observed with the \\textit{Rossi X-ray Timing Explorer (RXTE)}. The frequency correlation between the low frequency break and the LFQPO sampled on the time scale of $\\sim$2 days was seen. Except for the peculiar 2001 outburst, the frequency of the LFQPOs increased with time before the hard-to-soft state transition up to a maximum $\\nu_{max}$ at $\\sim$31 Hz, a factor of $\\sim$5 higher than those seen in black h","authors_text":"Wenda Zhang, Wenfei Yu","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2014-12-02T16:15:06Z","title":"Low frequency QPOs and possible change in the accretion geometry during the outbursts of Aquila X$-$1"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1412.0960","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:cb6bd69476ebb46aaf58de498b94cc3680679c25ebe5bce9fec25623b1ac88b9","target":"record","created_at":"2026-05-18T01:59:38Z","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":"7e2a257806284429f6757f4b491a045193ca56fc208d54e3cbf7eaeb059fe49f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2014-12-02T16:15:06Z","title_canon_sha256":"574af7c568db143d416c2fdee18081f315fca02a06fb07b041f264ffce35c110"},"schema_version":"1.0","source":{"id":"1412.0960","kind":"arxiv","version":2}},"canonical_sha256":"dbf20784d5fb39e74d9a8b9653a857cae61e3f376fb323ed833b5ee7c1f3acee","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"dbf20784d5fb39e74d9a8b9653a857cae61e3f376fb323ed833b5ee7c1f3acee","first_computed_at":"2026-05-18T01:59:38.165526Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:59:38.165526Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"JuFv/dhllFGAXaC6WdrXP+FhjbznpmbOac27VWES+1n6H4WRaAeFebB1J6JJNMKHF0ATtyBm71yrpilBeCSWAA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:59:38.166201Z","signed_message":"canonical_sha256_bytes"},"source_id":"1412.0960","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:cb6bd69476ebb46aaf58de498b94cc3680679c25ebe5bce9fec25623b1ac88b9","sha256:9a601b49798cc522c37360c7b04636034f55b76dca9d9e9ca32985ef0a2478e5"],"state_sha256":"c77cbca4fa366b3ec0eb441f3119b4dd5b20b26dfc79ee96fd220b987575656a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"XhFrzvqYYkmQ4/t3miXVUlSk5sHjsBaXpy3b8JlQ+9asAL+8QSmqwWI1g6ZMNRlClrLzTXy32D1bjKENdzaNCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-22T15:28:28.775205Z","bundle_sha256":"3186eec7c91cd74fa3d8101fce038d1b99a80ccc412c26c80ff92d6e32442219"}}