{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:CM7J3KU36JNTKH3RI6QQ63VRXY","short_pith_number":"pith:CM7J3KU3","canonical_record":{"source":{"id":"2203.02144","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2022-03-04T06:18:45Z","cross_cats_sorted":[],"title_canon_sha256":"aa620bf787c40a34f74281ed5a4c229dfb1dcd5cc133d108486e3f13d170f465","abstract_canon_sha256":"1d29c6de3f0e4ee318de48e2cf0e6eb505806589d0908951b6270d804ee05742"},"schema_version":"1.0"},"canonical_sha256":"133e9daa9bf25b351f7147a10f6eb1be3e9d882b9cc25a8bf953d85072451d9a","source":{"kind":"arxiv","id":"2203.02144","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2203.02144","created_at":"2026-07-05T06:48:22Z"},{"alias_kind":"arxiv_version","alias_value":"2203.02144v1","created_at":"2026-07-05T06:48:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2203.02144","created_at":"2026-07-05T06:48:22Z"},{"alias_kind":"pith_short_12","alias_value":"CM7J3KU36JNT","created_at":"2026-07-05T06:48:22Z"},{"alias_kind":"pith_short_16","alias_value":"CM7J3KU36JNTKH3R","created_at":"2026-07-05T06:48:22Z"},{"alias_kind":"pith_short_8","alias_value":"CM7J3KU3","created_at":"2026-07-05T06:48:22Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:CM7J3KU36JNTKH3RI6QQ63VRXY","target":"record","payload":{"canonical_record":{"source":{"id":"2203.02144","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2022-03-04T06:18:45Z","cross_cats_sorted":[],"title_canon_sha256":"aa620bf787c40a34f74281ed5a4c229dfb1dcd5cc133d108486e3f13d170f465","abstract_canon_sha256":"1d29c6de3f0e4ee318de48e2cf0e6eb505806589d0908951b6270d804ee05742"},"schema_version":"1.0"},"canonical_sha256":"133e9daa9bf25b351f7147a10f6eb1be3e9d882b9cc25a8bf953d85072451d9a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T06:48:22.536191Z","signature_b64":"UFFjQlv5/W6iyZUXWPph+LioYhY7ChFYs1GzjtF8bpDFtSlGWFHZ9WYiI/6R0l6w6QnIDRBGN4w0HoX0TxATDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"133e9daa9bf25b351f7147a10f6eb1be3e9d882b9cc25a8bf953d85072451d9a","last_reissued_at":"2026-07-05T06:48:22.535793Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T06:48:22.535793Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2203.02144","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":"2026-07-05T06:48:22Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0oIarECNsQ6CM4MdSNDo4wsJhGov/C1nZzKVRliM/eNHE7CyDsPM1EQRcpCfU+bwZ/0cFg4iEOsf1j/CUezBAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T15:46:15.961392Z"},"content_sha256":"85c14be752e31637617bb9d99b6c1dd63229db1f92e28218e837224f376ba4c4","schema_version":"1.0","event_id":"sha256:85c14be752e31637617bb9d99b6c1dd63229db1f92e28218e837224f376ba4c4"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:CM7J3KU36JNTKH3RI6QQ63VRXY","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"X-ray constraint for the unseen companion of V723 Mon: it is a mass-gap black hole rather than binary neutron stars","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"Erlin Qiao, Rong-Feng Shen, Yan Li","submitted_at":"2022-03-04T06:18:45Z","abstract_excerpt":"Recently, the red giant V723 Mon is reported to have an unseen companion with a mass of $3.04\\pm0.06M_{\\odot}$, but question remains about whether it is a single (thus the so-called mass-gap) black hole or an inner binary of two more ordinary compact objects (neutron stars or white dwarfs). In this work, we estimate the X-ray emission by considering the wind-fed accretion from V723 Mon onto the compact companion. We analyze three different scenarios of the dark companion, i.e., a single black hole, binary neutron stars and binary of a neutron star and a white dwarf. We show that the single bla"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2203.02144","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/2203.02144/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":"2026-07-05T06:48:22Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"D7k0O0WVfMwAhyLwAE5WLploTSO+D96ExJh2cM6oly3NuG+sxfAPNDhCaMonK+iTMDDs/C0RDqHozk1qOnA8AA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T15:46:15.961769Z"},"content_sha256":"2ef1a6cc023c637bcbc80a0a75673eff891c53b002c744da77b298096f71df24","schema_version":"1.0","event_id":"sha256:2ef1a6cc023c637bcbc80a0a75673eff891c53b002c744da77b298096f71df24"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/CM7J3KU36JNTKH3RI6QQ63VRXY/bundle.json","state_url":"https://pith.science/pith/CM7J3KU36JNTKH3RI6QQ63VRXY/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/CM7J3KU36JNTKH3RI6QQ63VRXY/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":"2026-07-07T15:46:15Z","links":{"resolver":"https://pith.science/pith/CM7J3KU36JNTKH3RI6QQ63VRXY","bundle":"https://pith.science/pith/CM7J3KU36JNTKH3RI6QQ63VRXY/bundle.json","state":"https://pith.science/pith/CM7J3KU36JNTKH3RI6QQ63VRXY/state.json","well_known_bundle":"https://pith.science/.well-known/pith/CM7J3KU36JNTKH3RI6QQ63VRXY/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:CM7J3KU36JNTKH3RI6QQ63VRXY","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":"1d29c6de3f0e4ee318de48e2cf0e6eb505806589d0908951b6270d804ee05742","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2022-03-04T06:18:45Z","title_canon_sha256":"aa620bf787c40a34f74281ed5a4c229dfb1dcd5cc133d108486e3f13d170f465"},"schema_version":"1.0","source":{"id":"2203.02144","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2203.02144","created_at":"2026-07-05T06:48:22Z"},{"alias_kind":"arxiv_version","alias_value":"2203.02144v1","created_at":"2026-07-05T06:48:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2203.02144","created_at":"2026-07-05T06:48:22Z"},{"alias_kind":"pith_short_12","alias_value":"CM7J3KU36JNT","created_at":"2026-07-05T06:48:22Z"},{"alias_kind":"pith_short_16","alias_value":"CM7J3KU36JNTKH3R","created_at":"2026-07-05T06:48:22Z"},{"alias_kind":"pith_short_8","alias_value":"CM7J3KU3","created_at":"2026-07-05T06:48:22Z"}],"graph_snapshots":[{"event_id":"sha256:2ef1a6cc023c637bcbc80a0a75673eff891c53b002c744da77b298096f71df24","target":"graph","created_at":"2026-07-05T06:48:22Z","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/2203.02144/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Recently, the red giant V723 Mon is reported to have an unseen companion with a mass of $3.04\\pm0.06M_{\\odot}$, but question remains about whether it is a single (thus the so-called mass-gap) black hole or an inner binary of two more ordinary compact objects (neutron stars or white dwarfs). In this work, we estimate the X-ray emission by considering the wind-fed accretion from V723 Mon onto the compact companion. We analyze three different scenarios of the dark companion, i.e., a single black hole, binary neutron stars and binary of a neutron star and a white dwarf. We show that the single bla","authors_text":"Erlin Qiao, Rong-Feng Shen, Yan Li","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2022-03-04T06:18:45Z","title":"X-ray constraint for the unseen companion of V723 Mon: it is a mass-gap black hole rather than binary neutron stars"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2203.02144","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":"sha256:85c14be752e31637617bb9d99b6c1dd63229db1f92e28218e837224f376ba4c4","target":"record","created_at":"2026-07-05T06:48:22Z","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":"1d29c6de3f0e4ee318de48e2cf0e6eb505806589d0908951b6270d804ee05742","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2022-03-04T06:18:45Z","title_canon_sha256":"aa620bf787c40a34f74281ed5a4c229dfb1dcd5cc133d108486e3f13d170f465"},"schema_version":"1.0","source":{"id":"2203.02144","kind":"arxiv","version":1}},"canonical_sha256":"133e9daa9bf25b351f7147a10f6eb1be3e9d882b9cc25a8bf953d85072451d9a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"133e9daa9bf25b351f7147a10f6eb1be3e9d882b9cc25a8bf953d85072451d9a","first_computed_at":"2026-07-05T06:48:22.535793Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T06:48:22.535793Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"UFFjQlv5/W6iyZUXWPph+LioYhY7ChFYs1GzjtF8bpDFtSlGWFHZ9WYiI/6R0l6w6QnIDRBGN4w0HoX0TxATDQ==","signature_status":"signed_v1","signed_at":"2026-07-05T06:48:22.536191Z","signed_message":"canonical_sha256_bytes"},"source_id":"2203.02144","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:85c14be752e31637617bb9d99b6c1dd63229db1f92e28218e837224f376ba4c4","sha256:2ef1a6cc023c637bcbc80a0a75673eff891c53b002c744da77b298096f71df24"],"state_sha256":"b78104504f97160c216d4e1d9e7ce1f854ba5722246ee88bb12d796cd044b366"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"bl9Boaw96N/jBYJGvMDVfGagNq2E15QKXqUqHOdnBE8W5+r9MaLjeQ4WGQSiZd94FHvBF58eZr6lHsbLi0e+Dg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-07T15:46:15.963679Z","bundle_sha256":"7717b5f97365c2aa0179dac0bf511484d067cab7dbd2884836d2442695307fcc"}}