{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2020:WBRLP64COYWCYMDHDMYADK5GOS","short_pith_number":"pith:WBRLP64C","schema_version":"1.0","canonical_sha256":"b062b7fb82762c2c30671b3001aba674aa6d9478c7be8cd9517a4709f6cc6f41","source":{"kind":"arxiv","id":"2006.12829","version":2},"attestation_state":"computed","paper":{"title":"Does the disk in the hard state of XTE J1752-223 extend to the innermost stable circular orbit?","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"Alex Markowitz, Andrzej Niedzwiecki, Andrzej Zdziarski, Barbara de Marco, Michal Szanecki","submitted_at":"2020-06-23T08:39:29Z","abstract_excerpt":"The accreting black-hole binary XTE J1752--223 was observed in a stable hard state for 25 d by RXTE, yielding a 3--140 keV spectrum of unprecedented statistical quality. Its published model required a single Comptonization spectrum reflecting from a disk close to the innermost stable circular orbit. We studied that model as well as a number of other single-Comptonization models (yielding similarly low inner radii), but found they violate a number of basic physical constraints, e.g., their compactness is much above the maximum allowed by pair equilibrium. We also studied the contemporaneous 0.5"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"2006.12829","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2020-06-23T08:39:29Z","cross_cats_sorted":[],"title_canon_sha256":"9d2676beb09ffba12cab963b227a3fceb92365747105a6cef63946b666692e19","abstract_canon_sha256":"ae9f292dd6697e166b3b75d7e1f5dbf40f8c7f5adf48d8f51d1aad269f2b0c80"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T02:06:09.865866Z","signature_b64":"FNlIfoh45gtn85CU55ZEO70ukfWgwyqns1kzjbRsPwmc8ap9R/LhBmT5nCSxvJiDD5k8zjr3xTxHqSjVdbWWDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b062b7fb82762c2c30671b3001aba674aa6d9478c7be8cd9517a4709f6cc6f41","last_reissued_at":"2026-07-05T02:06:09.865382Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T02:06:09.865382Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Does the disk in the hard state of XTE J1752-223 extend to the innermost stable circular orbit?","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"Alex Markowitz, Andrzej Niedzwiecki, Andrzej Zdziarski, Barbara de Marco, Michal Szanecki","submitted_at":"2020-06-23T08:39:29Z","abstract_excerpt":"The accreting black-hole binary XTE J1752--223 was observed in a stable hard state for 25 d by RXTE, yielding a 3--140 keV spectrum of unprecedented statistical quality. Its published model required a single Comptonization spectrum reflecting from a disk close to the innermost stable circular orbit. We studied that model as well as a number of other single-Comptonization models (yielding similarly low inner radii), but found they violate a number of basic physical constraints, e.g., their compactness is much above the maximum allowed by pair equilibrium. We also studied the contemporaneous 0.5"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2006.12829","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/2006.12829/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"},"aliases":[{"alias_kind":"arxiv","alias_value":"2006.12829","created_at":"2026-07-05T02:06:09.865440+00:00"},{"alias_kind":"arxiv_version","alias_value":"2006.12829v2","created_at":"2026-07-05T02:06:09.865440+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2006.12829","created_at":"2026-07-05T02:06:09.865440+00:00"},{"alias_kind":"pith_short_12","alias_value":"WBRLP64COYWC","created_at":"2026-07-05T02:06:09.865440+00:00"},{"alias_kind":"pith_short_16","alias_value":"WBRLP64COYWCYMDH","created_at":"2026-07-05T02:06:09.865440+00:00"},{"alias_kind":"pith_short_8","alias_value":"WBRLP64C","created_at":"2026-07-05T02:06:09.865440+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/WBRLP64COYWCYMDHDMYADK5GOS","json":"https://pith.science/pith/WBRLP64COYWCYMDHDMYADK5GOS.json","graph_json":"https://pith.science/api/pith-number/WBRLP64COYWCYMDHDMYADK5GOS/graph.json","events_json":"https://pith.science/api/pith-number/WBRLP64COYWCYMDHDMYADK5GOS/events.json","paper":"https://pith.science/paper/WBRLP64C"},"agent_actions":{"view_html":"https://pith.science/pith/WBRLP64COYWCYMDHDMYADK5GOS","download_json":"https://pith.science/pith/WBRLP64COYWCYMDHDMYADK5GOS.json","view_paper":"https://pith.science/paper/WBRLP64C","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2006.12829&json=true","fetch_graph":"https://pith.science/api/pith-number/WBRLP64COYWCYMDHDMYADK5GOS/graph.json","fetch_events":"https://pith.science/api/pith-number/WBRLP64COYWCYMDHDMYADK5GOS/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/WBRLP64COYWCYMDHDMYADK5GOS/action/timestamp_anchor","attest_storage":"https://pith.science/pith/WBRLP64COYWCYMDHDMYADK5GOS/action/storage_attestation","attest_author":"https://pith.science/pith/WBRLP64COYWCYMDHDMYADK5GOS/action/author_attestation","sign_citation":"https://pith.science/pith/WBRLP64COYWCYMDHDMYADK5GOS/action/citation_signature","submit_replication":"https://pith.science/pith/WBRLP64COYWCYMDHDMYADK5GOS/action/replication_record"}},"created_at":"2026-07-05T02:06:09.865440+00:00","updated_at":"2026-07-05T02:06:09.865440+00:00"}