{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:ADJ4OH2B662F47LWE6YNBKGE43","short_pith_number":"pith:ADJ4OH2B","canonical_record":{"source":{"id":"2404.12161","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2024-04-18T13:10:57Z","cross_cats_sorted":[],"title_canon_sha256":"1e3a71878e5bee8f1282648fc8e7271cc3ac62e2b14ae61721ff21a3163b3df1","abstract_canon_sha256":"30d549e3441d149c8f772c34f75ee6dd31c28e472369672f45b256a13b4f173a"},"schema_version":"1.0"},"canonical_sha256":"00d3c71f41f7b45e7d7627b0d0a8c4e6d70917eb68c4b2d08261951fda0cee7e","source":{"kind":"arxiv","id":"2404.12161","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2404.12161","created_at":"2026-07-05T08:38:59Z"},{"alias_kind":"arxiv_version","alias_value":"2404.12161v2","created_at":"2026-07-05T08:38:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2404.12161","created_at":"2026-07-05T08:38:59Z"},{"alias_kind":"pith_short_12","alias_value":"ADJ4OH2B662F","created_at":"2026-07-05T08:38:59Z"},{"alias_kind":"pith_short_16","alias_value":"ADJ4OH2B662F47LW","created_at":"2026-07-05T08:38:59Z"},{"alias_kind":"pith_short_8","alias_value":"ADJ4OH2B","created_at":"2026-07-05T08:38:59Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:ADJ4OH2B662F47LWE6YNBKGE43","target":"record","payload":{"canonical_record":{"source":{"id":"2404.12161","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2024-04-18T13:10:57Z","cross_cats_sorted":[],"title_canon_sha256":"1e3a71878e5bee8f1282648fc8e7271cc3ac62e2b14ae61721ff21a3163b3df1","abstract_canon_sha256":"30d549e3441d149c8f772c34f75ee6dd31c28e472369672f45b256a13b4f173a"},"schema_version":"1.0"},"canonical_sha256":"00d3c71f41f7b45e7d7627b0d0a8c4e6d70917eb68c4b2d08261951fda0cee7e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T08:38:59.297422Z","signature_b64":"jT6FUxLvRpMbhYMxUp/b3AhHKqu524SX/jqzp6H/JWP5TlGxHAr3TvxLvNa9pbkTr9SwXUodWZAOvXGQA6apAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"00d3c71f41f7b45e7d7627b0d0a8c4e6d70917eb68c4b2d08261951fda0cee7e","last_reissued_at":"2026-07-05T08:38:59.296795Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T08:38:59.296795Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2404.12161","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":"2026-07-05T08:38:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hsWO8smmftqS0owGGqKD16JbEuQgBzwulBz9wk2pcLJ705NgdofbmQMA0XGfh05LIy6IOYqVfxC4fUpqB+f5CQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T14:19:35.609675Z"},"content_sha256":"e6a9fb6389e4eda13cf590a7da2522f5433694d11aeceb256739c1805f8cc7d0","schema_version":"1.0","event_id":"sha256:e6a9fb6389e4eda13cf590a7da2522f5433694d11aeceb256739c1805f8cc7d0"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:ADJ4OH2B662F47LWE6YNBKGE43","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The 2018 outburst of MAXI J1820+070 as seen by Insight-HXMT","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"Cosimo Bambi, Honghui Liu, James F. Steiner, Long Ji, Menglei Zhou, Ningyue Fan, Rui Zhan, Shuang-Nan Zhang, Songyu Li, Xiang Ma, Zuobin Zhang","submitted_at":"2024-04-18T13:10:57Z","abstract_excerpt":"We present an analysis of the whole 2018 outburst of the black hole X-ray binary MAXI J1820+070 with Insight-HXMT data. We focus our study on the temporal evolution of the parameters of the source. We employ two different models to fit the disk's thermal spectrum: the Newtonian model DISKBB and the relativistic model NKBB. These two models provide different pictures of the source in the soft state. With DISKBB, we find that the inner edge of the disk is close to the innermost stable circular orbit of a fast-rotating black hole and the corona changes geometry from the hard to the soft state. Wi"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2404.12161","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2404.12161/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T08:38:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5mJ1su1yqcNmtXb/NrwFogqV2C1IofU6Rqy+zclAFtPNY9KSuRLOUVqrMG7h13yeoqEcWUhPUsCxfrIyhrf8CA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T14:19:35.610074Z"},"content_sha256":"13acb0bd0aa3090d32429f6ad46b8e7df5bebed04f7f7d5d61e78d7c3dc2dfe9","schema_version":"1.0","event_id":"sha256:13acb0bd0aa3090d32429f6ad46b8e7df5bebed04f7f7d5d61e78d7c3dc2dfe9"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ADJ4OH2B662F47LWE6YNBKGE43/bundle.json","state_url":"https://pith.science/pith/ADJ4OH2B662F47LWE6YNBKGE43/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ADJ4OH2B662F47LWE6YNBKGE43/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":"2026-08-06T14:19:35Z","links":{"resolver":"https://pith.science/pith/ADJ4OH2B662F47LWE6YNBKGE43","bundle":"https://pith.science/pith/ADJ4OH2B662F47LWE6YNBKGE43/bundle.json","state":"https://pith.science/pith/ADJ4OH2B662F47LWE6YNBKGE43/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ADJ4OH2B662F47LWE6YNBKGE43/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:ADJ4OH2B662F47LWE6YNBKGE43","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":"30d549e3441d149c8f772c34f75ee6dd31c28e472369672f45b256a13b4f173a","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2024-04-18T13:10:57Z","title_canon_sha256":"1e3a71878e5bee8f1282648fc8e7271cc3ac62e2b14ae61721ff21a3163b3df1"},"schema_version":"1.0","source":{"id":"2404.12161","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2404.12161","created_at":"2026-07-05T08:38:59Z"},{"alias_kind":"arxiv_version","alias_value":"2404.12161v2","created_at":"2026-07-05T08:38:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2404.12161","created_at":"2026-07-05T08:38:59Z"},{"alias_kind":"pith_short_12","alias_value":"ADJ4OH2B662F","created_at":"2026-07-05T08:38:59Z"},{"alias_kind":"pith_short_16","alias_value":"ADJ4OH2B662F47LW","created_at":"2026-07-05T08:38:59Z"},{"alias_kind":"pith_short_8","alias_value":"ADJ4OH2B","created_at":"2026-07-05T08:38:59Z"}],"graph_snapshots":[{"event_id":"sha256:13acb0bd0aa3090d32429f6ad46b8e7df5bebed04f7f7d5d61e78d7c3dc2dfe9","target":"graph","created_at":"2026-07-05T08:38:59Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2404.12161/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We present an analysis of the whole 2018 outburst of the black hole X-ray binary MAXI J1820+070 with Insight-HXMT data. We focus our study on the temporal evolution of the parameters of the source. We employ two different models to fit the disk's thermal spectrum: the Newtonian model DISKBB and the relativistic model NKBB. These two models provide different pictures of the source in the soft state. With DISKBB, we find that the inner edge of the disk is close to the innermost stable circular orbit of a fast-rotating black hole and the corona changes geometry from the hard to the soft state. Wi","authors_text":"Cosimo Bambi, Honghui Liu, James F. Steiner, Long Ji, Menglei Zhou, Ningyue Fan, Rui Zhan, Shuang-Nan Zhang, Songyu Li, Xiang Ma, Zuobin Zhang","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2024-04-18T13:10:57Z","title":"The 2018 outburst of MAXI J1820+070 as seen by Insight-HXMT"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2404.12161","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:e6a9fb6389e4eda13cf590a7da2522f5433694d11aeceb256739c1805f8cc7d0","target":"record","created_at":"2026-07-05T08:38:59Z","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":"30d549e3441d149c8f772c34f75ee6dd31c28e472369672f45b256a13b4f173a","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2024-04-18T13:10:57Z","title_canon_sha256":"1e3a71878e5bee8f1282648fc8e7271cc3ac62e2b14ae61721ff21a3163b3df1"},"schema_version":"1.0","source":{"id":"2404.12161","kind":"arxiv","version":2}},"canonical_sha256":"00d3c71f41f7b45e7d7627b0d0a8c4e6d70917eb68c4b2d08261951fda0cee7e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"00d3c71f41f7b45e7d7627b0d0a8c4e6d70917eb68c4b2d08261951fda0cee7e","first_computed_at":"2026-07-05T08:38:59.296795Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T08:38:59.296795Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"jT6FUxLvRpMbhYMxUp/b3AhHKqu524SX/jqzp6H/JWP5TlGxHAr3TvxLvNa9pbkTr9SwXUodWZAOvXGQA6apAA==","signature_status":"signed_v1","signed_at":"2026-07-05T08:38:59.297422Z","signed_message":"canonical_sha256_bytes"},"source_id":"2404.12161","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e6a9fb6389e4eda13cf590a7da2522f5433694d11aeceb256739c1805f8cc7d0","sha256:13acb0bd0aa3090d32429f6ad46b8e7df5bebed04f7f7d5d61e78d7c3dc2dfe9"],"state_sha256":"ddb374767e4399120a77d6b86e561426a365e976514905c3eb27b31305f16f3c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"R1ljcXFWo2d6lEHRUJ24ZwMNtktybiliZD6fsKVMhdPMgrVnJhXu47uA2VmY1+diDhCrWXt6Oe9ZtFKpIsy/Dg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-06T14:19:35.613989Z","bundle_sha256":"d006dd27187dd889de23bc80ea1a8aa25464e9cf4fb4e3c01e0e2d64d73d926f"}}