{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:EXMV67TEZ6KL6VBIILA52PJY44","short_pith_number":"pith:EXMV67TE","canonical_record":{"source":{"id":"2005.01749","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2020-05-04T18:00:40Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"f1b0aea81df057de7a50790d00ac381876e6855c58be0e4e036e246de05532a6","abstract_canon_sha256":"43aa9269aabdc19cf4bccabd343774a8df52ed7901e2d84e18909ee3f4dd90f6"},"schema_version":"1.0"},"canonical_sha256":"25d95f7e64cf94bf542842c1dd3d38e72627883e233309d93b32e6e337bf5cb0","source":{"kind":"arxiv","id":"2005.01749","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2005.01749","created_at":"2026-07-05T01:07:53Z"},{"alias_kind":"arxiv_version","alias_value":"2005.01749v2","created_at":"2026-07-05T01:07:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2005.01749","created_at":"2026-07-05T01:07:53Z"},{"alias_kind":"pith_short_12","alias_value":"EXMV67TEZ6KL","created_at":"2026-07-05T01:07:53Z"},{"alias_kind":"pith_short_16","alias_value":"EXMV67TEZ6KL6VBI","created_at":"2026-07-05T01:07:53Z"},{"alias_kind":"pith_short_8","alias_value":"EXMV67TE","created_at":"2026-07-05T01:07:53Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:EXMV67TEZ6KL6VBIILA52PJY44","target":"record","payload":{"canonical_record":{"source":{"id":"2005.01749","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2020-05-04T18:00:40Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"f1b0aea81df057de7a50790d00ac381876e6855c58be0e4e036e246de05532a6","abstract_canon_sha256":"43aa9269aabdc19cf4bccabd343774a8df52ed7901e2d84e18909ee3f4dd90f6"},"schema_version":"1.0"},"canonical_sha256":"25d95f7e64cf94bf542842c1dd3d38e72627883e233309d93b32e6e337bf5cb0","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T01:07:53.867677Z","signature_b64":"+AaFvzEXqz1J0raxM769omN+nK0F/GmpeizApsdMmBN/awq05JUuOd69S+zLiiKcsTk+lpEsW/Xw4x5HmFrDBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"25d95f7e64cf94bf542842c1dd3d38e72627883e233309d93b32e6e337bf5cb0","last_reissued_at":"2026-07-05T01:07:53.867210Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T01:07:53.867210Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2005.01749","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":"2026-07-05T01:07:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"aEp4nSBPTriWSiEmkyGmxj8TCqa4FwwLz1LCorp7VjFzOjirgAcf2mu78cmwpeg5bkjajvpnthRjB1IeQKfjCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-14T21:41:52.414561Z"},"content_sha256":"39de53f792d82a7b139040cb53e6bc39456926a446b0e9875ffbccdb5177ac76","schema_version":"1.0","event_id":"sha256:39de53f792d82a7b139040cb53e6bc39456926a446b0e9875ffbccdb5177ac76"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:EXMV67TEZ6KL6VBIILA52PJY44","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"On the relation between hard X-ray photon index versus accretion rate for super-Eddington accreting quasars","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.HE","authors_text":"Bin Luo, Chen Hu, Jian Huang, Jian-Min Wang, Pu Du, Yi-Jia Li","submitted_at":"2020-05-04T18:00:40Z","abstract_excerpt":"We investigate whether the hard X-ray photon index (${\\Gamma}$) versus accretion rate correlation for super-Eddington accreting quasars is different from that for sub-Eddington accreting quasars. We construct a sample of 113 bright quasars from the Sloan Digital Sky Survey Data Release 14 quasar catalog, including 38 quasars as the super-Eddington subsample and 75 quasars as the sub-Eddington subsample. We derive black-hole masses using a simple-epoch virial mass formula based on the ${\\rm H\\beta}$ lines, and we use the standard thin disk model to derive the dimensionless accretion rates ($\\do"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2005.01749","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/2005.01749/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":"2026-07-05T01:07:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5HoFeBayV5Ry7gIWB888dqIZ031HZZHrJSPbuWom5zwj/2gYogXOLJ1KShJUhbQp+xd/B1MqlXCJgrjDXlkUBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-14T21:41:52.415059Z"},"content_sha256":"558328a625802c866733dc2a20197dfd0b11d8371c3b6366537488bdf55e2907","schema_version":"1.0","event_id":"sha256:558328a625802c866733dc2a20197dfd0b11d8371c3b6366537488bdf55e2907"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/EXMV67TEZ6KL6VBIILA52PJY44/bundle.json","state_url":"https://pith.science/pith/EXMV67TEZ6KL6VBIILA52PJY44/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/EXMV67TEZ6KL6VBIILA52PJY44/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":"2026-08-14T21:41:52Z","links":{"resolver":"https://pith.science/pith/EXMV67TEZ6KL6VBIILA52PJY44","bundle":"https://pith.science/pith/EXMV67TEZ6KL6VBIILA52PJY44/bundle.json","state":"https://pith.science/pith/EXMV67TEZ6KL6VBIILA52PJY44/state.json","well_known_bundle":"https://pith.science/.well-known/pith/EXMV67TEZ6KL6VBIILA52PJY44/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:EXMV67TEZ6KL6VBIILA52PJY44","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":"43aa9269aabdc19cf4bccabd343774a8df52ed7901e2d84e18909ee3f4dd90f6","cross_cats_sorted":["astro-ph.GA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2020-05-04T18:00:40Z","title_canon_sha256":"f1b0aea81df057de7a50790d00ac381876e6855c58be0e4e036e246de05532a6"},"schema_version":"1.0","source":{"id":"2005.01749","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2005.01749","created_at":"2026-07-05T01:07:53Z"},{"alias_kind":"arxiv_version","alias_value":"2005.01749v2","created_at":"2026-07-05T01:07:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2005.01749","created_at":"2026-07-05T01:07:53Z"},{"alias_kind":"pith_short_12","alias_value":"EXMV67TEZ6KL","created_at":"2026-07-05T01:07:53Z"},{"alias_kind":"pith_short_16","alias_value":"EXMV67TEZ6KL6VBI","created_at":"2026-07-05T01:07:53Z"},{"alias_kind":"pith_short_8","alias_value":"EXMV67TE","created_at":"2026-07-05T01:07:53Z"}],"graph_snapshots":[{"event_id":"sha256:558328a625802c866733dc2a20197dfd0b11d8371c3b6366537488bdf55e2907","target":"graph","created_at":"2026-07-05T01:07:53Z","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/2005.01749/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We investigate whether the hard X-ray photon index (${\\Gamma}$) versus accretion rate correlation for super-Eddington accreting quasars is different from that for sub-Eddington accreting quasars. We construct a sample of 113 bright quasars from the Sloan Digital Sky Survey Data Release 14 quasar catalog, including 38 quasars as the super-Eddington subsample and 75 quasars as the sub-Eddington subsample. We derive black-hole masses using a simple-epoch virial mass formula based on the ${\\rm H\\beta}$ lines, and we use the standard thin disk model to derive the dimensionless accretion rates ($\\do","authors_text":"Bin Luo, Chen Hu, Jian Huang, Jian-Min Wang, Pu Du, Yi-Jia Li","cross_cats":["astro-ph.GA"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2020-05-04T18:00:40Z","title":"On the relation between hard X-ray photon index versus accretion rate for super-Eddington accreting quasars"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2005.01749","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":"sha256:39de53f792d82a7b139040cb53e6bc39456926a446b0e9875ffbccdb5177ac76","target":"record","created_at":"2026-07-05T01:07:53Z","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":"43aa9269aabdc19cf4bccabd343774a8df52ed7901e2d84e18909ee3f4dd90f6","cross_cats_sorted":["astro-ph.GA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2020-05-04T18:00:40Z","title_canon_sha256":"f1b0aea81df057de7a50790d00ac381876e6855c58be0e4e036e246de05532a6"},"schema_version":"1.0","source":{"id":"2005.01749","kind":"arxiv","version":2}},"canonical_sha256":"25d95f7e64cf94bf542842c1dd3d38e72627883e233309d93b32e6e337bf5cb0","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"25d95f7e64cf94bf542842c1dd3d38e72627883e233309d93b32e6e337bf5cb0","first_computed_at":"2026-07-05T01:07:53.867210Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T01:07:53.867210Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"+AaFvzEXqz1J0raxM769omN+nK0F/GmpeizApsdMmBN/awq05JUuOd69S+zLiiKcsTk+lpEsW/Xw4x5HmFrDBA==","signature_status":"signed_v1","signed_at":"2026-07-05T01:07:53.867677Z","signed_message":"canonical_sha256_bytes"},"source_id":"2005.01749","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:39de53f792d82a7b139040cb53e6bc39456926a446b0e9875ffbccdb5177ac76","sha256:558328a625802c866733dc2a20197dfd0b11d8371c3b6366537488bdf55e2907"],"state_sha256":"e699bff4607f8e140eb38829bb2c2728484e6481c052e6b538cfd5089482ba77"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4KcOpGs5n54htW/an3jAEM1uXfbfQNVemZBrEeRhX+REGVbk0C53AB7NqzoteHLlgnPddX2pTqQuCNaEweS2AQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-14T21:41:52.418937Z","bundle_sha256":"5b82f166d85739508ce6dabca9091a5ceb5c840ed2c0fe91c14e9bb6c29fb7d7"}}