{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2006:GQTGGTDWTZ525J7C6F7IYHJ2QP","short_pith_number":"pith:GQTGGTDW","canonical_record":{"source":{"id":"astro-ph/0610649","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2006-10-21T03:17:09Z","cross_cats_sorted":[],"title_canon_sha256":"c4b0db647303b899e207060861a47a6cb151bb0c27c5f49756bbb3007c947ad0","abstract_canon_sha256":"786b4a077bd755d57350995a25a2bd13a39daf59d0f3a48f5e36e61742da856e"},"schema_version":"1.0"},"canonical_sha256":"3426634c769e7baea7e2f17e8c1d3a83fbe4dbec8f9df04aa8f74886f8cbb0cb","source":{"kind":"arxiv","id":"astro-ph/0610649","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0610649","created_at":"2026-07-04T16:59:33Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0610649v2","created_at":"2026-07-04T16:59:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0610649","created_at":"2026-07-04T16:59:33Z"},{"alias_kind":"pith_short_12","alias_value":"GQTGGTDWTZ52","created_at":"2026-07-04T16:59:33Z"},{"alias_kind":"pith_short_16","alias_value":"GQTGGTDWTZ525J7C","created_at":"2026-07-04T16:59:33Z"},{"alias_kind":"pith_short_8","alias_value":"GQTGGTDW","created_at":"2026-07-04T16:59:33Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2006:GQTGGTDWTZ525J7C6F7IYHJ2QP","target":"record","payload":{"canonical_record":{"source":{"id":"astro-ph/0610649","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2006-10-21T03:17:09Z","cross_cats_sorted":[],"title_canon_sha256":"c4b0db647303b899e207060861a47a6cb151bb0c27c5f49756bbb3007c947ad0","abstract_canon_sha256":"786b4a077bd755d57350995a25a2bd13a39daf59d0f3a48f5e36e61742da856e"},"schema_version":"1.0"},"canonical_sha256":"3426634c769e7baea7e2f17e8c1d3a83fbe4dbec8f9df04aa8f74886f8cbb0cb","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T16:59:33.548410Z","signature_b64":"xi+VNBAVSfIExUFm5YqH/yaU9k3pmOLPtO4xlY59X9w6vVyHy3TT9/WrpuIWzZ5kpxHVLjJu6FpSW7/UbvLIAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3426634c769e7baea7e2f17e8c1d3a83fbe4dbec8f9df04aa8f74886f8cbb0cb","last_reissued_at":"2026-07-04T16:59:33.548011Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T16:59:33.548011Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"astro-ph/0610649","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":"2026-07-04T16:59:33Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1nACOdBPBX8WIMqhZJDZ7vaXFKAYt5HiKFy5rvcY0SMXN0aoDtNJF5kRmxibVS4mOUVRNbMkU1lOs8/4RzVsAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-16T01:39:23.437244Z"},"content_sha256":"c714a7c3ed69991a58b06fe15578f76a531e6894142f3c35fce3b8a37fc2bcd1","schema_version":"1.0","event_id":"sha256:c714a7c3ed69991a58b06fe15578f76a531e6894142f3c35fce3b8a37fc2bcd1"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2006:GQTGGTDWTZ525J7C6F7IYHJ2QP","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A study of the population of LMXBs in the bulge of M31","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"Marat Gilfanov, Rasmus Voss","submitted_at":"2006-10-21T03:17:09Z","abstract_excerpt":"The purpose of this study is to explore the population of X-ray point sources in the bulge of M31, with the primary goal to contrast properties of various subpopulations, such as persistent and transient sources, primordial LMXBs and dynamically formed ones. Based on the data from 26 archival Chandra observations we study the source content and properties of various subpopulations of X-ray sources to a maximum distance of 12 arcmin from the centre of M31. A study of the spatial distribution and the luminosity function of the X-ray sources shows that the distribution of primordial LMXBs is cons"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0610649","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/astro-ph/0610649/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":"2026-07-04T16:59:33Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"uUf0NbOfVyDtJnmldCIZxbGFf1OGLqg2p+Undt+X8ikig7OPkA8lvyeDqTqcQgyfXiNp67KWLMfwaGVjeekIBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-16T01:39:23.437752Z"},"content_sha256":"0645b321d6eab84bab85414bbfca0818dce4b0668e750276d1c97b23602fb0d0","schema_version":"1.0","event_id":"sha256:0645b321d6eab84bab85414bbfca0818dce4b0668e750276d1c97b23602fb0d0"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/GQTGGTDWTZ525J7C6F7IYHJ2QP/bundle.json","state_url":"https://pith.science/pith/GQTGGTDWTZ525J7C6F7IYHJ2QP/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/GQTGGTDWTZ525J7C6F7IYHJ2QP/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":"2026-08-16T01:39:23Z","links":{"resolver":"https://pith.science/pith/GQTGGTDWTZ525J7C6F7IYHJ2QP","bundle":"https://pith.science/pith/GQTGGTDWTZ525J7C6F7IYHJ2QP/bundle.json","state":"https://pith.science/pith/GQTGGTDWTZ525J7C6F7IYHJ2QP/state.json","well_known_bundle":"https://pith.science/.well-known/pith/GQTGGTDWTZ525J7C6F7IYHJ2QP/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2006:GQTGGTDWTZ525J7C6F7IYHJ2QP","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":"786b4a077bd755d57350995a25a2bd13a39daf59d0f3a48f5e36e61742da856e","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2006-10-21T03:17:09Z","title_canon_sha256":"c4b0db647303b899e207060861a47a6cb151bb0c27c5f49756bbb3007c947ad0"},"schema_version":"1.0","source":{"id":"astro-ph/0610649","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0610649","created_at":"2026-07-04T16:59:33Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0610649v2","created_at":"2026-07-04T16:59:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0610649","created_at":"2026-07-04T16:59:33Z"},{"alias_kind":"pith_short_12","alias_value":"GQTGGTDWTZ52","created_at":"2026-07-04T16:59:33Z"},{"alias_kind":"pith_short_16","alias_value":"GQTGGTDWTZ525J7C","created_at":"2026-07-04T16:59:33Z"},{"alias_kind":"pith_short_8","alias_value":"GQTGGTDW","created_at":"2026-07-04T16:59:33Z"}],"graph_snapshots":[{"event_id":"sha256:0645b321d6eab84bab85414bbfca0818dce4b0668e750276d1c97b23602fb0d0","target":"graph","created_at":"2026-07-04T16:59:33Z","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/0610649/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The purpose of this study is to explore the population of X-ray point sources in the bulge of M31, with the primary goal to contrast properties of various subpopulations, such as persistent and transient sources, primordial LMXBs and dynamically formed ones. Based on the data from 26 archival Chandra observations we study the source content and properties of various subpopulations of X-ray sources to a maximum distance of 12 arcmin from the centre of M31. A study of the spatial distribution and the luminosity function of the X-ray sources shows that the distribution of primordial LMXBs is cons","authors_text":"Marat Gilfanov, Rasmus Voss","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2006-10-21T03:17:09Z","title":"A study of the population of LMXBs in the bulge of M31"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0610649","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:c714a7c3ed69991a58b06fe15578f76a531e6894142f3c35fce3b8a37fc2bcd1","target":"record","created_at":"2026-07-04T16:59:33Z","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":"786b4a077bd755d57350995a25a2bd13a39daf59d0f3a48f5e36e61742da856e","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2006-10-21T03:17:09Z","title_canon_sha256":"c4b0db647303b899e207060861a47a6cb151bb0c27c5f49756bbb3007c947ad0"},"schema_version":"1.0","source":{"id":"astro-ph/0610649","kind":"arxiv","version":2}},"canonical_sha256":"3426634c769e7baea7e2f17e8c1d3a83fbe4dbec8f9df04aa8f74886f8cbb0cb","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3426634c769e7baea7e2f17e8c1d3a83fbe4dbec8f9df04aa8f74886f8cbb0cb","first_computed_at":"2026-07-04T16:59:33.548011Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T16:59:33.548011Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"xi+VNBAVSfIExUFm5YqH/yaU9k3pmOLPtO4xlY59X9w6vVyHy3TT9/WrpuIWzZ5kpxHVLjJu6FpSW7/UbvLIAA==","signature_status":"signed_v1","signed_at":"2026-07-04T16:59:33.548410Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/0610649","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c714a7c3ed69991a58b06fe15578f76a531e6894142f3c35fce3b8a37fc2bcd1","sha256:0645b321d6eab84bab85414bbfca0818dce4b0668e750276d1c97b23602fb0d0"],"state_sha256":"da6388c3b881fa70c4b40f35f53e22da2f320a64ff9d9b384789f6f9e585edb7"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/yOxliYd5mMYDAwvZQsnbKcEptmUJQ1N90e9NJjBZ6mnxsZR0UpDbqGfls9Op7cgH1k+uMFTLbWnBQgXVBY7Bw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-16T01:39:23.442598Z","bundle_sha256":"f832ed44342dc0c87a958becd8c515ecab3827f07803dff439a88a81d5594f43"}}