{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:IKT55EXCNVPP2Z7W2K35KCA6TA","short_pith_number":"pith:IKT55EXC","canonical_record":{"source":{"id":"1212.0994","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2012-12-05T11:36:27Z","cross_cats_sorted":[],"title_canon_sha256":"8108bede38d6085201f8b8ee9c79a3f0912f6ae6d5f476e02699fa0074929959","abstract_canon_sha256":"1cde9ed2f93dd38f50d37e92bf9c9d7e28790cc32453ca69190e3755bede9756"},"schema_version":"1.0"},"canonical_sha256":"42a7de92e26d5efd67f6d2b7d5081e983baecc48fc785a3ed69c71aff382ce1b","source":{"kind":"arxiv","id":"1212.0994","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1212.0994","created_at":"2026-05-18T01:52:47Z"},{"alias_kind":"arxiv_version","alias_value":"1212.0994v1","created_at":"2026-05-18T01:52:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1212.0994","created_at":"2026-05-18T01:52:47Z"},{"alias_kind":"pith_short_12","alias_value":"IKT55EXCNVPP","created_at":"2026-05-18T12:27:09Z"},{"alias_kind":"pith_short_16","alias_value":"IKT55EXCNVPP2Z7W","created_at":"2026-05-18T12:27:09Z"},{"alias_kind":"pith_short_8","alias_value":"IKT55EXC","created_at":"2026-05-18T12:27:09Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:IKT55EXCNVPP2Z7W2K35KCA6TA","target":"record","payload":{"canonical_record":{"source":{"id":"1212.0994","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2012-12-05T11:36:27Z","cross_cats_sorted":[],"title_canon_sha256":"8108bede38d6085201f8b8ee9c79a3f0912f6ae6d5f476e02699fa0074929959","abstract_canon_sha256":"1cde9ed2f93dd38f50d37e92bf9c9d7e28790cc32453ca69190e3755bede9756"},"schema_version":"1.0"},"canonical_sha256":"42a7de92e26d5efd67f6d2b7d5081e983baecc48fc785a3ed69c71aff382ce1b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:52:47.518829Z","signature_b64":"twQ48TnYGIhcLxi2s5BlKPnfVIx4NBOe5nepFPA5+sFtFgeA3HQf14d/rNYMjFR+v0fGnziqa+5/58Fxqa2jBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"42a7de92e26d5efd67f6d2b7d5081e983baecc48fc785a3ed69c71aff382ce1b","last_reissued_at":"2026-05-18T01:52:47.518276Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:52:47.518276Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1212.0994","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:52:47Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"OmK1dOsJF9ifZcYPYjy/2390fZw53EZm+LLhCjYJbXUSxCa2NsrALyDCpuGcW3LtYWAy3iec4HRr9pwu/JjPAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T22:08:25.936217Z"},"content_sha256":"5fc3f3c60699c14fb50d9da9887864220121ed3332746d4163eebf05bea2998c","schema_version":"1.0","event_id":"sha256:5fc3f3c60699c14fb50d9da9887864220121ed3332746d4163eebf05bea2998c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:IKT55EXCNVPP2Z7W2K35KCA6TA","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Two Power-Law States of the Ultraluminous X-ray Source IC342 X-1","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"Aya Kubota, Kei Saitou, Naoki Isobe, Shin Mineshige, Tessei Yoshida, Tsunefumi Mizuno","submitted_at":"2012-12-05T11:36:27Z","abstract_excerpt":"In order to elucidate the emission properties of ultraluminous X-ray sources (ULXs) during their power-law (PL) state, we examined long-term X-ray spectral data of IC342 X-1 during its PL state by using our own Suzaku data and the archival data by XMM-Newton, Chandra, and Swift observations. The PL state of this source seems to be classified into two sub-states in terms of the X-ray luminosities in 0.5-10 keV: the low luminosity PL state with 4-6*10^{39} erg/s and the high luminosity one with 1.1-1.4*10^{40} erg/s. During the Suzaku observations which were made in 2010 August and 2011 March, X"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1212.0994","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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:52:47Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"N1ygxaOr+HqVoIXG0NJGQeegzuzZG+b9RHh0oF0z5J+1F63aUpZUgW7OCs4m+LZA7ef2lw72hLDaLH0eWYVrDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T22:08:25.936581Z"},"content_sha256":"50dad385caadac480dd1d742c0f2dbba1ef83650ce4691fa7cc27b68d2d55989","schema_version":"1.0","event_id":"sha256:50dad385caadac480dd1d742c0f2dbba1ef83650ce4691fa7cc27b68d2d55989"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/IKT55EXCNVPP2Z7W2K35KCA6TA/bundle.json","state_url":"https://pith.science/pith/IKT55EXCNVPP2Z7W2K35KCA6TA/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/IKT55EXCNVPP2Z7W2K35KCA6TA/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":"2026-06-03T22:08:25Z","links":{"resolver":"https://pith.science/pith/IKT55EXCNVPP2Z7W2K35KCA6TA","bundle":"https://pith.science/pith/IKT55EXCNVPP2Z7W2K35KCA6TA/bundle.json","state":"https://pith.science/pith/IKT55EXCNVPP2Z7W2K35KCA6TA/state.json","well_known_bundle":"https://pith.science/.well-known/pith/IKT55EXCNVPP2Z7W2K35KCA6TA/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:IKT55EXCNVPP2Z7W2K35KCA6TA","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":"1cde9ed2f93dd38f50d37e92bf9c9d7e28790cc32453ca69190e3755bede9756","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2012-12-05T11:36:27Z","title_canon_sha256":"8108bede38d6085201f8b8ee9c79a3f0912f6ae6d5f476e02699fa0074929959"},"schema_version":"1.0","source":{"id":"1212.0994","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1212.0994","created_at":"2026-05-18T01:52:47Z"},{"alias_kind":"arxiv_version","alias_value":"1212.0994v1","created_at":"2026-05-18T01:52:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1212.0994","created_at":"2026-05-18T01:52:47Z"},{"alias_kind":"pith_short_12","alias_value":"IKT55EXCNVPP","created_at":"2026-05-18T12:27:09Z"},{"alias_kind":"pith_short_16","alias_value":"IKT55EXCNVPP2Z7W","created_at":"2026-05-18T12:27:09Z"},{"alias_kind":"pith_short_8","alias_value":"IKT55EXC","created_at":"2026-05-18T12:27:09Z"}],"graph_snapshots":[{"event_id":"sha256:50dad385caadac480dd1d742c0f2dbba1ef83650ce4691fa7cc27b68d2d55989","target":"graph","created_at":"2026-05-18T01:52:47Z","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":"In order to elucidate the emission properties of ultraluminous X-ray sources (ULXs) during their power-law (PL) state, we examined long-term X-ray spectral data of IC342 X-1 during its PL state by using our own Suzaku data and the archival data by XMM-Newton, Chandra, and Swift observations. The PL state of this source seems to be classified into two sub-states in terms of the X-ray luminosities in 0.5-10 keV: the low luminosity PL state with 4-6*10^{39} erg/s and the high luminosity one with 1.1-1.4*10^{40} erg/s. During the Suzaku observations which were made in 2010 August and 2011 March, X","authors_text":"Aya Kubota, Kei Saitou, Naoki Isobe, Shin Mineshige, Tessei Yoshida, Tsunefumi Mizuno","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2012-12-05T11:36:27Z","title":"Two Power-Law States of the Ultraluminous X-ray Source IC342 X-1"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1212.0994","kind":"arxiv","version":1},"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":"sha256:5fc3f3c60699c14fb50d9da9887864220121ed3332746d4163eebf05bea2998c","target":"record","created_at":"2026-05-18T01:52:47Z","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":"1cde9ed2f93dd38f50d37e92bf9c9d7e28790cc32453ca69190e3755bede9756","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2012-12-05T11:36:27Z","title_canon_sha256":"8108bede38d6085201f8b8ee9c79a3f0912f6ae6d5f476e02699fa0074929959"},"schema_version":"1.0","source":{"id":"1212.0994","kind":"arxiv","version":1}},"canonical_sha256":"42a7de92e26d5efd67f6d2b7d5081e983baecc48fc785a3ed69c71aff382ce1b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"42a7de92e26d5efd67f6d2b7d5081e983baecc48fc785a3ed69c71aff382ce1b","first_computed_at":"2026-05-18T01:52:47.518276Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:52:47.518276Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"twQ48TnYGIhcLxi2s5BlKPnfVIx4NBOe5nepFPA5+sFtFgeA3HQf14d/rNYMjFR+v0fGnziqa+5/58Fxqa2jBg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:52:47.518829Z","signed_message":"canonical_sha256_bytes"},"source_id":"1212.0994","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5fc3f3c60699c14fb50d9da9887864220121ed3332746d4163eebf05bea2998c","sha256:50dad385caadac480dd1d742c0f2dbba1ef83650ce4691fa7cc27b68d2d55989"],"state_sha256":"55a9789b2d7b4b6ce2677627f0b5e152fcb5cb18060e623b87483e44b4257117"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5xXVndgJtwyqT+41/kSBg9uf5nFeJuNADTtjZ37wlreFqQ0MhObB2NVpylhMeJhO2p7GbEO+uHs2hAaRZza5AQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-03T22:08:25.938609Z","bundle_sha256":"33bd3afd8926ba753424916b1d9cb262e2a743104cc930c1efcf14719881bfe4"}}