{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2006:M7WYFPMU6JTMBV7YVMSSSI2DTW","short_pith_number":"pith:M7WYFPMU","canonical_record":{"source":{"id":"astro-ph/0608552","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2006-08-25T14:18:19Z","cross_cats_sorted":[],"title_canon_sha256":"02ef0d06f0baefc67f720650128994fde992b54e09189029f291365dc2b74ff9","abstract_canon_sha256":"6fccfc5aaf4eebf5f5a1021958a4a6dce53678ed3485e0e79463d5a4a185d463"},"schema_version":"1.0"},"canonical_sha256":"67ed82bd94f266c0d7f8ab252923439d850a383b366c09d5ae66ddbbafac55b0","source":{"kind":"arxiv","id":"astro-ph/0608552","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0608552","created_at":"2026-05-18T04:28:57Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0608552v2","created_at":"2026-05-18T04:28:57Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0608552","created_at":"2026-05-18T04:28:57Z"},{"alias_kind":"pith_short_12","alias_value":"M7WYFPMU6JTM","created_at":"2026-05-18T12:25:54Z"},{"alias_kind":"pith_short_16","alias_value":"M7WYFPMU6JTMBV7Y","created_at":"2026-05-18T12:25:54Z"},{"alias_kind":"pith_short_8","alias_value":"M7WYFPMU","created_at":"2026-05-18T12:25:54Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2006:M7WYFPMU6JTMBV7YVMSSSI2DTW","target":"record","payload":{"canonical_record":{"source":{"id":"astro-ph/0608552","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2006-08-25T14:18:19Z","cross_cats_sorted":[],"title_canon_sha256":"02ef0d06f0baefc67f720650128994fde992b54e09189029f291365dc2b74ff9","abstract_canon_sha256":"6fccfc5aaf4eebf5f5a1021958a4a6dce53678ed3485e0e79463d5a4a185d463"},"schema_version":"1.0"},"canonical_sha256":"67ed82bd94f266c0d7f8ab252923439d850a383b366c09d5ae66ddbbafac55b0","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:28:57.958626Z","signature_b64":"NJWlLOZLCdMOUx1M4os+GW7v8AqIHrSOme+r8YtDAPrLTr2gPITXzKSDLGiFEI4f7it3jlxux2YPwnYEnEJADQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"67ed82bd94f266c0d7f8ab252923439d850a383b366c09d5ae66ddbbafac55b0","last_reissued_at":"2026-05-18T04:28:57.958178Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:28:57.958178Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"astro-ph/0608552","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":"2026-05-18T04:28:57Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"SBzHSfPXJNm7ltQbx5WgF8YlS+SmTxHodbasushjCCokalBproeDESpr7lrv6+0G73/R5JC8JOdoTw10d4QvCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-08T22:08:51.756074Z"},"content_sha256":"8557da911da1114c69c9cc38adba60718431d8c66e6133d60c62a3e10960bea2","schema_version":"1.0","event_id":"sha256:8557da911da1114c69c9cc38adba60718431d8c66e6133d60c62a3e10960bea2"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2006:M7WYFPMU6JTMBV7YVMSSSI2DTW","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Modeling the hard states of XTE J1550--564 during its 2000 outburst","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"Andrzej A. Zdziarski (CAMK), Feng Yuan (SHAO), Xue-Bing Wu (PKU), Yongquan Xue (Purdue)","submitted_at":"2006-08-25T14:18:19Z","abstract_excerpt":"We study hard states of the black-hole binary XTE J1550--564 during its 2000 outburst. In order to explain those states at their highest luminosities, $L\\sim 10%$ of the Eddington luminosity, $L_{\\rm E}$, we propose a specific hot accretion flow model. We point out that the highest values of the hard-state $L$ are substantially above the $L$ an advection-dominated accretion flow (ADAF) can produce, $\\sim 0.4\\alpha^2 L_{\\rm E}$, which is only $\\sim (3$--$4)%L_{\\rm E}$ even for $\\alpha$ as high as 0.3. On the other hand, we successfully explain the hard states with $L\\sim (4$--$10)%$ using the l"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0608552","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":""},"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":"2026-05-18T04:28:57Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BFPSUzU1VUcUpSgZY0dwBJRGOcBrkGjyGhenUHW6TDrdhj6/rwsc+z3MGkxGMyUFNr744p8g/nUmuHbLt2MUCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-08T22:08:51.756462Z"},"content_sha256":"c71c4b41f91360150e945a88acc8e59cfaf7f112319450a648fe034b602fd58f","schema_version":"1.0","event_id":"sha256:c71c4b41f91360150e945a88acc8e59cfaf7f112319450a648fe034b602fd58f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/M7WYFPMU6JTMBV7YVMSSSI2DTW/bundle.json","state_url":"https://pith.science/pith/M7WYFPMU6JTMBV7YVMSSSI2DTW/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/M7WYFPMU6JTMBV7YVMSSSI2DTW/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":"2026-06-08T22:08:51Z","links":{"resolver":"https://pith.science/pith/M7WYFPMU6JTMBV7YVMSSSI2DTW","bundle":"https://pith.science/pith/M7WYFPMU6JTMBV7YVMSSSI2DTW/bundle.json","state":"https://pith.science/pith/M7WYFPMU6JTMBV7YVMSSSI2DTW/state.json","well_known_bundle":"https://pith.science/.well-known/pith/M7WYFPMU6JTMBV7YVMSSSI2DTW/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2006:M7WYFPMU6JTMBV7YVMSSSI2DTW","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":"6fccfc5aaf4eebf5f5a1021958a4a6dce53678ed3485e0e79463d5a4a185d463","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2006-08-25T14:18:19Z","title_canon_sha256":"02ef0d06f0baefc67f720650128994fde992b54e09189029f291365dc2b74ff9"},"schema_version":"1.0","source":{"id":"astro-ph/0608552","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0608552","created_at":"2026-05-18T04:28:57Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0608552v2","created_at":"2026-05-18T04:28:57Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0608552","created_at":"2026-05-18T04:28:57Z"},{"alias_kind":"pith_short_12","alias_value":"M7WYFPMU6JTM","created_at":"2026-05-18T12:25:54Z"},{"alias_kind":"pith_short_16","alias_value":"M7WYFPMU6JTMBV7Y","created_at":"2026-05-18T12:25:54Z"},{"alias_kind":"pith_short_8","alias_value":"M7WYFPMU","created_at":"2026-05-18T12:25:54Z"}],"graph_snapshots":[{"event_id":"sha256:c71c4b41f91360150e945a88acc8e59cfaf7f112319450a648fe034b602fd58f","target":"graph","created_at":"2026-05-18T04:28:57Z","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"},"paper":{"abstract_excerpt":"We study hard states of the black-hole binary XTE J1550--564 during its 2000 outburst. In order to explain those states at their highest luminosities, $L\\sim 10%$ of the Eddington luminosity, $L_{\\rm E}$, we propose a specific hot accretion flow model. We point out that the highest values of the hard-state $L$ are substantially above the $L$ an advection-dominated accretion flow (ADAF) can produce, $\\sim 0.4\\alpha^2 L_{\\rm E}$, which is only $\\sim (3$--$4)%L_{\\rm E}$ even for $\\alpha$ as high as 0.3. On the other hand, we successfully explain the hard states with $L\\sim (4$--$10)%$ using the l","authors_text":"Andrzej A. Zdziarski (CAMK), Feng Yuan (SHAO), Xue-Bing Wu (PKU), Yongquan Xue (Purdue)","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2006-08-25T14:18:19Z","title":"Modeling the hard states of XTE J1550--564 during its 2000 outburst"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0608552","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":"sha256:8557da911da1114c69c9cc38adba60718431d8c66e6133d60c62a3e10960bea2","target":"record","created_at":"2026-05-18T04:28:57Z","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":"6fccfc5aaf4eebf5f5a1021958a4a6dce53678ed3485e0e79463d5a4a185d463","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2006-08-25T14:18:19Z","title_canon_sha256":"02ef0d06f0baefc67f720650128994fde992b54e09189029f291365dc2b74ff9"},"schema_version":"1.0","source":{"id":"astro-ph/0608552","kind":"arxiv","version":2}},"canonical_sha256":"67ed82bd94f266c0d7f8ab252923439d850a383b366c09d5ae66ddbbafac55b0","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"67ed82bd94f266c0d7f8ab252923439d850a383b366c09d5ae66ddbbafac55b0","first_computed_at":"2026-05-18T04:28:57.958178Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:28:57.958178Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"NJWlLOZLCdMOUx1M4os+GW7v8AqIHrSOme+r8YtDAPrLTr2gPITXzKSDLGiFEI4f7it3jlxux2YPwnYEnEJADQ==","signature_status":"signed_v1","signed_at":"2026-05-18T04:28:57.958626Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/0608552","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8557da911da1114c69c9cc38adba60718431d8c66e6133d60c62a3e10960bea2","sha256:c71c4b41f91360150e945a88acc8e59cfaf7f112319450a648fe034b602fd58f"],"state_sha256":"ade59f09bdd564fd34f5db0222d1db6d06e49151dd2a9657f52f4f01a17a5293"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1qjiSQkTAaUIYBDwVPVBDml5iVjmRKcKgKSmln6UjNfr1b/KEwNwoL7luMI51u6KT9dkOimD2iiiNmYTQKxaDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-08T22:08:51.758305Z","bundle_sha256":"8327c670d471b45116adafd94ec601250ba01259ce288e835c6a63dd1d04b583"}}