{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:XPMHNYEOTFGXWFQQDXMZKW4NGR","short_pith_number":"pith:XPMHNYEO","canonical_record":{"source":{"id":"2406.14957","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2024-06-21T08:13:09Z","cross_cats_sorted":["gr-qc"],"title_canon_sha256":"b033eac3cbdde57a7eb7ac86388c4df5e1a2fce8d868aa02ae10386712032ebe","abstract_canon_sha256":"9fb11d9343a284da92e28216bc206c5395a38954021db8d896b5acc2c9e6363d"},"schema_version":"1.0"},"canonical_sha256":"bbd876e08e994d7b16101dd9955b8d3478145cab6a70860d2e31b055610b0d24","source":{"kind":"arxiv","id":"2406.14957","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2406.14957","created_at":"2026-07-05T08:35:11Z"},{"alias_kind":"arxiv_version","alias_value":"2406.14957v1","created_at":"2026-07-05T08:35:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2406.14957","created_at":"2026-07-05T08:35:11Z"},{"alias_kind":"pith_short_12","alias_value":"XPMHNYEOTFGX","created_at":"2026-07-05T08:35:11Z"},{"alias_kind":"pith_short_16","alias_value":"XPMHNYEOTFGXWFQQ","created_at":"2026-07-05T08:35:11Z"},{"alias_kind":"pith_short_8","alias_value":"XPMHNYEO","created_at":"2026-07-05T08:35:11Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:XPMHNYEOTFGXWFQQDXMZKW4NGR","target":"record","payload":{"canonical_record":{"source":{"id":"2406.14957","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2024-06-21T08:13:09Z","cross_cats_sorted":["gr-qc"],"title_canon_sha256":"b033eac3cbdde57a7eb7ac86388c4df5e1a2fce8d868aa02ae10386712032ebe","abstract_canon_sha256":"9fb11d9343a284da92e28216bc206c5395a38954021db8d896b5acc2c9e6363d"},"schema_version":"1.0"},"canonical_sha256":"bbd876e08e994d7b16101dd9955b8d3478145cab6a70860d2e31b055610b0d24","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T08:35:11.084218Z","signature_b64":"KnZFBF71YocM10vfBaEVGafl7Hxq2b/lRkY3HIaLUQMT829RLK0SGlUQviBcd3CcrGUpI1NvlL3tL0APsljiDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"bbd876e08e994d7b16101dd9955b8d3478145cab6a70860d2e31b055610b0d24","last_reissued_at":"2026-07-05T08:35:11.083770Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T08:35:11.083770Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2406.14957","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":"2026-07-05T08:35:11Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"feBxvQHxEVy8o9Srbex4uXkK5zeWBuRIKsoVklD2wxcvvvkMXETaSK5m8Yhdfw2Qu4Pqqei8FKFw8mVIX9BDCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-17T09:42:51.370461Z"},"content_sha256":"9797385e4e2eaf8c2530864c928765803b5fd1dd666c9eab3f44e8bba43f19a2","schema_version":"1.0","event_id":"sha256:9797385e4e2eaf8c2530864c928765803b5fd1dd666c9eab3f44e8bba43f19a2"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:XPMHNYEOTFGXWFQQDXMZKW4NGR","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Plunging region emission in the X-ray binary MAXI J0637$-$430","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["gr-qc"],"primary_cat":"astro-ph.HE","authors_text":"Andrew Fabian, Andrew Mummery, Jiachen Jiang","submitted_at":"2024-06-21T08:13:09Z","abstract_excerpt":"On the second of November 2019 the black hole X-ray binary MAXI J0637$-$430 went into outburst, at the start of which it was observed in a thermal ``disc-dominated'' state. High photon energy (extending above 10 keV) observations taken by the NuSTAR telescope reveal that this thermal spectrum can not be fit by conventional two-component (disc plus corona) approaches which ignore disc emission sourced from within the plunging region of the black hole's spacetime. Instead, these models require a third ``additional'' thermal component to reproduce the data. Using new disc solutions which extend c"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2406.14957","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2406.14957/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":"2026-07-05T08:35:11Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"flzZ/ZDHp9vXJYfbPGORzUb2DeKiMdJTlG2ESoxSlbp+yQy+tI1vqkDeOeDW3hgHn8rWgQPno8uHs4h1O/6qAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-17T09:42:51.371444Z"},"content_sha256":"2fd9efdaca98ac5931dd349a8baa196f655252fa9ce27871daf9f207f96072e4","schema_version":"1.0","event_id":"sha256:2fd9efdaca98ac5931dd349a8baa196f655252fa9ce27871daf9f207f96072e4"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/XPMHNYEOTFGXWFQQDXMZKW4NGR/bundle.json","state_url":"https://pith.science/pith/XPMHNYEOTFGXWFQQDXMZKW4NGR/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/XPMHNYEOTFGXWFQQDXMZKW4NGR/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":"2026-08-17T09:42:51Z","links":{"resolver":"https://pith.science/pith/XPMHNYEOTFGXWFQQDXMZKW4NGR","bundle":"https://pith.science/pith/XPMHNYEOTFGXWFQQDXMZKW4NGR/bundle.json","state":"https://pith.science/pith/XPMHNYEOTFGXWFQQDXMZKW4NGR/state.json","well_known_bundle":"https://pith.science/.well-known/pith/XPMHNYEOTFGXWFQQDXMZKW4NGR/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:XPMHNYEOTFGXWFQQDXMZKW4NGR","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":"9fb11d9343a284da92e28216bc206c5395a38954021db8d896b5acc2c9e6363d","cross_cats_sorted":["gr-qc"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2024-06-21T08:13:09Z","title_canon_sha256":"b033eac3cbdde57a7eb7ac86388c4df5e1a2fce8d868aa02ae10386712032ebe"},"schema_version":"1.0","source":{"id":"2406.14957","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2406.14957","created_at":"2026-07-05T08:35:11Z"},{"alias_kind":"arxiv_version","alias_value":"2406.14957v1","created_at":"2026-07-05T08:35:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2406.14957","created_at":"2026-07-05T08:35:11Z"},{"alias_kind":"pith_short_12","alias_value":"XPMHNYEOTFGX","created_at":"2026-07-05T08:35:11Z"},{"alias_kind":"pith_short_16","alias_value":"XPMHNYEOTFGXWFQQ","created_at":"2026-07-05T08:35:11Z"},{"alias_kind":"pith_short_8","alias_value":"XPMHNYEO","created_at":"2026-07-05T08:35:11Z"}],"graph_snapshots":[{"event_id":"sha256:2fd9efdaca98ac5931dd349a8baa196f655252fa9ce27871daf9f207f96072e4","target":"graph","created_at":"2026-07-05T08:35:11Z","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/2406.14957/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"On the second of November 2019 the black hole X-ray binary MAXI J0637$-$430 went into outburst, at the start of which it was observed in a thermal ``disc-dominated'' state. High photon energy (extending above 10 keV) observations taken by the NuSTAR telescope reveal that this thermal spectrum can not be fit by conventional two-component (disc plus corona) approaches which ignore disc emission sourced from within the plunging region of the black hole's spacetime. Instead, these models require a third ``additional'' thermal component to reproduce the data. Using new disc solutions which extend c","authors_text":"Andrew Fabian, Andrew Mummery, Jiachen Jiang","cross_cats":["gr-qc"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2024-06-21T08:13:09Z","title":"Plunging region emission in the X-ray binary MAXI J0637$-$430"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2406.14957","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":"sha256:9797385e4e2eaf8c2530864c928765803b5fd1dd666c9eab3f44e8bba43f19a2","target":"record","created_at":"2026-07-05T08:35:11Z","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":"9fb11d9343a284da92e28216bc206c5395a38954021db8d896b5acc2c9e6363d","cross_cats_sorted":["gr-qc"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2024-06-21T08:13:09Z","title_canon_sha256":"b033eac3cbdde57a7eb7ac86388c4df5e1a2fce8d868aa02ae10386712032ebe"},"schema_version":"1.0","source":{"id":"2406.14957","kind":"arxiv","version":1}},"canonical_sha256":"bbd876e08e994d7b16101dd9955b8d3478145cab6a70860d2e31b055610b0d24","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"bbd876e08e994d7b16101dd9955b8d3478145cab6a70860d2e31b055610b0d24","first_computed_at":"2026-07-05T08:35:11.083770Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T08:35:11.083770Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"KnZFBF71YocM10vfBaEVGafl7Hxq2b/lRkY3HIaLUQMT829RLK0SGlUQviBcd3CcrGUpI1NvlL3tL0APsljiDQ==","signature_status":"signed_v1","signed_at":"2026-07-05T08:35:11.084218Z","signed_message":"canonical_sha256_bytes"},"source_id":"2406.14957","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9797385e4e2eaf8c2530864c928765803b5fd1dd666c9eab3f44e8bba43f19a2","sha256:2fd9efdaca98ac5931dd349a8baa196f655252fa9ce27871daf9f207f96072e4"],"state_sha256":"b683b48e83f29055a27bf4ffb833f8771c9fff8939873ed98290baad5bfcc14e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hbgfszJZ5qxNwghJkMU7RaVqdFCEKDO5zAgLezzUjaYgABMXmehSHCepYzxYldl7HvEkAFq1hDf9yOuM0o9FBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-17T09:42:51.445720Z","bundle_sha256":"ca43908b89c438f0dc818361a2f3624f55f863731c3de25bde91f91c1752238c"}}