{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2001:IRJ27I2BRVKPDHXU7GI423EIM2","short_pith_number":"pith:IRJ27I2B","canonical_record":{"source":{"id":"astro-ph/0105508","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2001-05-29T22:41:35Z","cross_cats_sorted":[],"title_canon_sha256":"f517ed026bfa404d5e8529b37515637c4520cf076cf09ec98549d17d8ce775e9","abstract_canon_sha256":"d33939ed2b65248981aab01934386388a188b4130ab31837c953cc5f9d962d78"},"schema_version":"1.0"},"canonical_sha256":"4453afa3418d54f19ef4f991cd6c8866b4a52c1df3dbd6074f6a9f805a641009","source":{"kind":"arxiv","id":"astro-ph/0105508","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0105508","created_at":"2026-07-04T16:23:27Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0105508v1","created_at":"2026-07-04T16:23:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0105508","created_at":"2026-07-04T16:23:27Z"},{"alias_kind":"pith_short_12","alias_value":"IRJ27I2BRVKP","created_at":"2026-07-04T16:23:27Z"},{"alias_kind":"pith_short_16","alias_value":"IRJ27I2BRVKPDHXU","created_at":"2026-07-04T16:23:27Z"},{"alias_kind":"pith_short_8","alias_value":"IRJ27I2B","created_at":"2026-07-04T16:23:27Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2001:IRJ27I2BRVKPDHXU7GI423EIM2","target":"record","payload":{"canonical_record":{"source":{"id":"astro-ph/0105508","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2001-05-29T22:41:35Z","cross_cats_sorted":[],"title_canon_sha256":"f517ed026bfa404d5e8529b37515637c4520cf076cf09ec98549d17d8ce775e9","abstract_canon_sha256":"d33939ed2b65248981aab01934386388a188b4130ab31837c953cc5f9d962d78"},"schema_version":"1.0"},"canonical_sha256":"4453afa3418d54f19ef4f991cd6c8866b4a52c1df3dbd6074f6a9f805a641009","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T16:23:27.621851Z","signature_b64":"yq/CPZN215uJBoz8sgXVbijE1Zh+aE1Sx9XqlU8HtODKXGpqdNfIvoYm3Jqk26WB1Momvu6cuwjTASeVIpdJBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4453afa3418d54f19ef4f991cd6c8866b4a52c1df3dbd6074f6a9f805a641009","last_reissued_at":"2026-07-04T16:23:27.621426Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T16:23:27.621426Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"astro-ph/0105508","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":"2026-07-04T16:23:27Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VbGXknpqFgmcVkqHEevjAWzDPy8TJ3+006O34c3gPgVmC4B7wHWD3nPrZswFt3J7sPdGzv1rxOg6pNn5A0TRCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T19:26:27.387453Z"},"content_sha256":"909b620186564adde6e28012a724b208bcee834768fc6c414e8a16f754c7b428","schema_version":"1.0","event_id":"sha256:909b620186564adde6e28012a724b208bcee834768fc6c414e8a16f754c7b428"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2001:IRJ27I2BRVKPDHXU7GI423EIM2","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Characterizing the QPO Behavior of the X-ray Nova XTE J1550--564","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"(2) Harvard University, (3) Harvard-Smithsonian Center for Astrophysics), Gregory J. Sobczak (2), Jeffrey E. McClintock (3) ((1) M.I.T., Michael P. Muno (1), Ronald A. Remillard (1)","submitted_at":"2001-05-29T22:41:35Z","abstract_excerpt":"For all 209 RXTE observations of the X-ray nova XTE J1550-564 during its major outburst of 1998-1999, we have analyzed the X-ray power spectra, phase lags, and coherence functions. The phase lags and coherence measures are used to distinguish three types of low-frequency QPOs (one more than those reported by Wijnands, Homan, & van der Klis 1999). For the most common type, the phase lag is correlated with both the QPO frequency and the amplitude. The physical significance of the QPO types is evident in the relationships between QPO properties and the apparent temperature and flux from the accre"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0105508","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/0105508/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":"2026-07-04T16:23:27Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Pq+hXVew+j69uTkF/pGbaeKXKTeIQhWgKICbZT906w4fpkhlsCDFlDvjx+OGyy8NzOZGHR7LmKHVNMgFtwYYAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T19:26:27.388341Z"},"content_sha256":"e5972b2e19ac9f0943d624f9d87c48be72d308f28b39ea4c4b77702feb3132fd","schema_version":"1.0","event_id":"sha256:e5972b2e19ac9f0943d624f9d87c48be72d308f28b39ea4c4b77702feb3132fd"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/IRJ27I2BRVKPDHXU7GI423EIM2/bundle.json","state_url":"https://pith.science/pith/IRJ27I2BRVKPDHXU7GI423EIM2/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/IRJ27I2BRVKPDHXU7GI423EIM2/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":"2026-08-03T19:26:27Z","links":{"resolver":"https://pith.science/pith/IRJ27I2BRVKPDHXU7GI423EIM2","bundle":"https://pith.science/pith/IRJ27I2BRVKPDHXU7GI423EIM2/bundle.json","state":"https://pith.science/pith/IRJ27I2BRVKPDHXU7GI423EIM2/state.json","well_known_bundle":"https://pith.science/.well-known/pith/IRJ27I2BRVKPDHXU7GI423EIM2/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2001:IRJ27I2BRVKPDHXU7GI423EIM2","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":"d33939ed2b65248981aab01934386388a188b4130ab31837c953cc5f9d962d78","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2001-05-29T22:41:35Z","title_canon_sha256":"f517ed026bfa404d5e8529b37515637c4520cf076cf09ec98549d17d8ce775e9"},"schema_version":"1.0","source":{"id":"astro-ph/0105508","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0105508","created_at":"2026-07-04T16:23:27Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0105508v1","created_at":"2026-07-04T16:23:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0105508","created_at":"2026-07-04T16:23:27Z"},{"alias_kind":"pith_short_12","alias_value":"IRJ27I2BRVKP","created_at":"2026-07-04T16:23:27Z"},{"alias_kind":"pith_short_16","alias_value":"IRJ27I2BRVKPDHXU","created_at":"2026-07-04T16:23:27Z"},{"alias_kind":"pith_short_8","alias_value":"IRJ27I2B","created_at":"2026-07-04T16:23:27Z"}],"graph_snapshots":[{"event_id":"sha256:e5972b2e19ac9f0943d624f9d87c48be72d308f28b39ea4c4b77702feb3132fd","target":"graph","created_at":"2026-07-04T16:23:27Z","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/0105508/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"For all 209 RXTE observations of the X-ray nova XTE J1550-564 during its major outburst of 1998-1999, we have analyzed the X-ray power spectra, phase lags, and coherence functions. The phase lags and coherence measures are used to distinguish three types of low-frequency QPOs (one more than those reported by Wijnands, Homan, & van der Klis 1999). For the most common type, the phase lag is correlated with both the QPO frequency and the amplitude. The physical significance of the QPO types is evident in the relationships between QPO properties and the apparent temperature and flux from the accre","authors_text":"(2) Harvard University, (3) Harvard-Smithsonian Center for Astrophysics), Gregory J. Sobczak (2), Jeffrey E. McClintock (3) ((1) M.I.T., Michael P. Muno (1), Ronald A. Remillard (1)","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2001-05-29T22:41:35Z","title":"Characterizing the QPO Behavior of the X-ray Nova XTE J1550--564"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0105508","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":"sha256:909b620186564adde6e28012a724b208bcee834768fc6c414e8a16f754c7b428","target":"record","created_at":"2026-07-04T16:23:27Z","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":"d33939ed2b65248981aab01934386388a188b4130ab31837c953cc5f9d962d78","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2001-05-29T22:41:35Z","title_canon_sha256":"f517ed026bfa404d5e8529b37515637c4520cf076cf09ec98549d17d8ce775e9"},"schema_version":"1.0","source":{"id":"astro-ph/0105508","kind":"arxiv","version":1}},"canonical_sha256":"4453afa3418d54f19ef4f991cd6c8866b4a52c1df3dbd6074f6a9f805a641009","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4453afa3418d54f19ef4f991cd6c8866b4a52c1df3dbd6074f6a9f805a641009","first_computed_at":"2026-07-04T16:23:27.621426Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T16:23:27.621426Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"yq/CPZN215uJBoz8sgXVbijE1Zh+aE1Sx9XqlU8HtODKXGpqdNfIvoYm3Jqk26WB1Momvu6cuwjTASeVIpdJBA==","signature_status":"signed_v1","signed_at":"2026-07-04T16:23:27.621851Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/0105508","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:909b620186564adde6e28012a724b208bcee834768fc6c414e8a16f754c7b428","sha256:e5972b2e19ac9f0943d624f9d87c48be72d308f28b39ea4c4b77702feb3132fd"],"state_sha256":"4aef99c3878e45602b065057eb9cd5dd064d0b11827fb1b94e3b7134cb093c18"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wiPwVtdpMdsSNsdf/TJeJaEny/Q7nqUs4KW+P54yboAf49zpMD4qIBOTY5vlng+HUAFbpOsBTfzPj+iy2EzzCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-03T19:26:27.393274Z","bundle_sha256":"1dc712d64525f84991c3637b7f6eb17692cc5cdc7a37f81141061d38444d6144"}}