{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2003:MSFH47HT2ID5CS75UGABFOPSDG","short_pith_number":"pith:MSFH47HT","canonical_record":{"source":{"id":"astro-ph/0301091","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2003-01-06T21:45:41Z","cross_cats_sorted":[],"title_canon_sha256":"5fe07e6bf12cb06206e8b3a87c4c717400bbfc25c4b06f90dde0e3f1292f6923","abstract_canon_sha256":"f554a131daecf8cd293e06b717865d7b44ef0792942127b0fb65c2961b8d4f9e"},"schema_version":"1.0"},"canonical_sha256":"648a7e7cf3d207d14bfda18012b9f219a481a9a9e30ea04234c241f0b5ee39c2","source":{"kind":"arxiv","id":"astro-ph/0301091","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0301091","created_at":"2026-07-04T16:35:49Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0301091v1","created_at":"2026-07-04T16:35:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0301091","created_at":"2026-07-04T16:35:49Z"},{"alias_kind":"pith_short_12","alias_value":"MSFH47HT2ID5","created_at":"2026-07-04T16:35:49Z"},{"alias_kind":"pith_short_16","alias_value":"MSFH47HT2ID5CS75","created_at":"2026-07-04T16:35:49Z"},{"alias_kind":"pith_short_8","alias_value":"MSFH47HT","created_at":"2026-07-04T16:35:49Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2003:MSFH47HT2ID5CS75UGABFOPSDG","target":"record","payload":{"canonical_record":{"source":{"id":"astro-ph/0301091","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2003-01-06T21:45:41Z","cross_cats_sorted":[],"title_canon_sha256":"5fe07e6bf12cb06206e8b3a87c4c717400bbfc25c4b06f90dde0e3f1292f6923","abstract_canon_sha256":"f554a131daecf8cd293e06b717865d7b44ef0792942127b0fb65c2961b8d4f9e"},"schema_version":"1.0"},"canonical_sha256":"648a7e7cf3d207d14bfda18012b9f219a481a9a9e30ea04234c241f0b5ee39c2","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T16:35:49.070576Z","signature_b64":"hoWAX9Dt0qHjLdo1ZTzmBJ8O20g9L4OFOvjfVQIKJorSC207VDIPrE2AyCxRhXO+nniW7yH/lBhT8MQa6KLeCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"648a7e7cf3d207d14bfda18012b9f219a481a9a9e30ea04234c241f0b5ee39c2","last_reissued_at":"2026-07-04T16:35:49.069753Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T16:35:49.069753Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"astro-ph/0301091","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":"2026-07-04T16:35:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qRQVxlbjiMcwDOGFKk7p7C4rEm9BthdIiXzEDj5UeMQks1rfGfFZ1KGf7+bBCe2bvOA44ovL+yelPB6IJP3UAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T20:34:57.115010Z"},"content_sha256":"ea120ae4b4879bd908700b6a3c3e729cdb388fb2172b622d6adf2003de0de4a9","schema_version":"1.0","event_id":"sha256:ea120ae4b4879bd908700b6a3c3e729cdb388fb2172b622d6adf2003de0de4a9"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2003:MSFH47HT2ID5CS75UGABFOPSDG","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Spectral Fits to the 1999 Aql X-1 Outburst Data","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"Thomas J. Maccarone & Paolo S. Coppi","submitted_at":"2003-01-06T21:45:41Z","abstract_excerpt":"We present analysis and spectral fits of the RXTE data from the May/June 1999 outburst of Aql X-1. These data include observations in the rising portion of the hard state, in the soft state, and in the falling portion of the hard state. We show that the data can be fit by a purely thermal Comptonization model for all the observations, but that more complicated models cannot be ruled out. Up to 60% of the corona's power in the soft state may be injected into non-thermal electrons. The soft state data show approximately constant optical depth and coronal temperatures over a range of $\\sim10$ in "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0301091","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/astro-ph/0301091/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":"2026-07-04T16:35:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"j5+UbwBSX6VkDTFIdUxMHx9fO6cHD9Md5cSd3RTizm/KvcvG/z7n7yvFfJVnNrliNUemwtBslNSj0wd31R8WBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T20:34:57.115850Z"},"content_sha256":"cd1d64e4f41301363a495948f2b1cbc2b2afa2299e3ad8a00a4f1b17bb3c234d","schema_version":"1.0","event_id":"sha256:cd1d64e4f41301363a495948f2b1cbc2b2afa2299e3ad8a00a4f1b17bb3c234d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/MSFH47HT2ID5CS75UGABFOPSDG/bundle.json","state_url":"https://pith.science/pith/MSFH47HT2ID5CS75UGABFOPSDG/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/MSFH47HT2ID5CS75UGABFOPSDG/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":"2026-08-04T20:34:57Z","links":{"resolver":"https://pith.science/pith/MSFH47HT2ID5CS75UGABFOPSDG","bundle":"https://pith.science/pith/MSFH47HT2ID5CS75UGABFOPSDG/bundle.json","state":"https://pith.science/pith/MSFH47HT2ID5CS75UGABFOPSDG/state.json","well_known_bundle":"https://pith.science/.well-known/pith/MSFH47HT2ID5CS75UGABFOPSDG/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2003:MSFH47HT2ID5CS75UGABFOPSDG","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":"f554a131daecf8cd293e06b717865d7b44ef0792942127b0fb65c2961b8d4f9e","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2003-01-06T21:45:41Z","title_canon_sha256":"5fe07e6bf12cb06206e8b3a87c4c717400bbfc25c4b06f90dde0e3f1292f6923"},"schema_version":"1.0","source":{"id":"astro-ph/0301091","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0301091","created_at":"2026-07-04T16:35:49Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0301091v1","created_at":"2026-07-04T16:35:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0301091","created_at":"2026-07-04T16:35:49Z"},{"alias_kind":"pith_short_12","alias_value":"MSFH47HT2ID5","created_at":"2026-07-04T16:35:49Z"},{"alias_kind":"pith_short_16","alias_value":"MSFH47HT2ID5CS75","created_at":"2026-07-04T16:35:49Z"},{"alias_kind":"pith_short_8","alias_value":"MSFH47HT","created_at":"2026-07-04T16:35:49Z"}],"graph_snapshots":[{"event_id":"sha256:cd1d64e4f41301363a495948f2b1cbc2b2afa2299e3ad8a00a4f1b17bb3c234d","target":"graph","created_at":"2026-07-04T16:35:49Z","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/astro-ph/0301091/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We present analysis and spectral fits of the RXTE data from the May/June 1999 outburst of Aql X-1. These data include observations in the rising portion of the hard state, in the soft state, and in the falling portion of the hard state. We show that the data can be fit by a purely thermal Comptonization model for all the observations, but that more complicated models cannot be ruled out. Up to 60% of the corona's power in the soft state may be injected into non-thermal electrons. The soft state data show approximately constant optical depth and coronal temperatures over a range of $\\sim10$ in ","authors_text":"Thomas J. Maccarone & Paolo S. Coppi","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2003-01-06T21:45:41Z","title":"Spectral Fits to the 1999 Aql X-1 Outburst Data"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0301091","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:ea120ae4b4879bd908700b6a3c3e729cdb388fb2172b622d6adf2003de0de4a9","target":"record","created_at":"2026-07-04T16:35:49Z","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":"f554a131daecf8cd293e06b717865d7b44ef0792942127b0fb65c2961b8d4f9e","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2003-01-06T21:45:41Z","title_canon_sha256":"5fe07e6bf12cb06206e8b3a87c4c717400bbfc25c4b06f90dde0e3f1292f6923"},"schema_version":"1.0","source":{"id":"astro-ph/0301091","kind":"arxiv","version":1}},"canonical_sha256":"648a7e7cf3d207d14bfda18012b9f219a481a9a9e30ea04234c241f0b5ee39c2","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"648a7e7cf3d207d14bfda18012b9f219a481a9a9e30ea04234c241f0b5ee39c2","first_computed_at":"2026-07-04T16:35:49.069753Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T16:35:49.069753Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"hoWAX9Dt0qHjLdo1ZTzmBJ8O20g9L4OFOvjfVQIKJorSC207VDIPrE2AyCxRhXO+nniW7yH/lBhT8MQa6KLeCw==","signature_status":"signed_v1","signed_at":"2026-07-04T16:35:49.070576Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/0301091","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ea120ae4b4879bd908700b6a3c3e729cdb388fb2172b622d6adf2003de0de4a9","sha256:cd1d64e4f41301363a495948f2b1cbc2b2afa2299e3ad8a00a4f1b17bb3c234d"],"state_sha256":"0900225e1c0711641aaa0004f4a15ec1270695a1b381f7af1861847202c24205"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7Bmi7XGhvVOtwYDQu5wFScQ3iAzmS9TuhxJsQdMb3sls+QmW8gUmrrlHnXAjCpFIrKX6J4rd5j1F8VWs4OKVAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-04T20:34:57.121925Z","bundle_sha256":"8972d6660c60ee4192cd2f7792036fc82cefc59c30e5f8d70cbb23bb20089bcf"}}