{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2003:HY3WU6BGHEZGB2VQMUVTEJHJY2","short_pith_number":"pith:HY3WU6BG","canonical_record":{"source":{"id":"astro-ph/0310200","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2003-10-08T05:19:57Z","cross_cats_sorted":[],"title_canon_sha256":"87fef7ba9036fe82275a572596ca6d85c8ff9cbb86cbd1a30445ee1d2a6c4b52","abstract_canon_sha256":"157827f628d2b4e1af1971deb2131d67baeebf8d762293e2c5d8e127c6250403"},"schema_version":"1.0"},"canonical_sha256":"3e376a7826393260eab0652b3224e9c6a739e5cd79d4d89399bac40a384382e7","source":{"kind":"arxiv","id":"astro-ph/0310200","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0310200","created_at":"2026-05-18T01:07:33Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0310200v2","created_at":"2026-05-18T01:07:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0310200","created_at":"2026-05-18T01:07:33Z"},{"alias_kind":"pith_short_12","alias_value":"HY3WU6BGHEZG","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_16","alias_value":"HY3WU6BGHEZGB2VQ","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_8","alias_value":"HY3WU6BG","created_at":"2026-05-18T12:25:52Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2003:HY3WU6BGHEZGB2VQMUVTEJHJY2","target":"record","payload":{"canonical_record":{"source":{"id":"astro-ph/0310200","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2003-10-08T05:19:57Z","cross_cats_sorted":[],"title_canon_sha256":"87fef7ba9036fe82275a572596ca6d85c8ff9cbb86cbd1a30445ee1d2a6c4b52","abstract_canon_sha256":"157827f628d2b4e1af1971deb2131d67baeebf8d762293e2c5d8e127c6250403"},"schema_version":"1.0"},"canonical_sha256":"3e376a7826393260eab0652b3224e9c6a739e5cd79d4d89399bac40a384382e7","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:07:33.254833Z","signature_b64":"o2XIHF9wP05JHEc4dz1BxYF28hELCiX2j/HEtlutTJGSEWEYYSiA/PPlxlc/wogEBY2XBDGMhA01YSq7qHIUDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3e376a7826393260eab0652b3224e9c6a739e5cd79d4d89399bac40a384382e7","last_reissued_at":"2026-05-18T01:07:33.254135Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:07:33.254135Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"astro-ph/0310200","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":"2026-05-18T01:07:33Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"nMhwmAqApGhpmDuGgsGwT5bqVoYnIDgrkHAFhcDp7C8VMX5qfLGOW82c5ePsLYfUQY5p1lTkrWu3X+lqKJH6Dw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-30T13:29:20.803505Z"},"content_sha256":"87b51c5d00169766c926c28e77059d7bb897ecdaccc43ab27e275c8991bcffd1","schema_version":"1.0","event_id":"sha256:87b51c5d00169766c926c28e77059d7bb897ecdaccc43ab27e275c8991bcffd1"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2003:HY3WU6BGHEZGB2VQMUVTEJHJY2","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"X-Ray Binary Populations: The Luminosity Function of NGC1569","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"A.Zezas, G.Fabbiano, K.Belczynski, V.Kalogera","submitted_at":"2003-10-08T05:19:57Z","abstract_excerpt":"Using the population synthesis code StarTrack we construct the first synthetic X-ray binary populations for direct comparison with the X-ray luminosity function (XLF) of NGC 1569 observed with Chandra.\n Our main goal is to examine whether it is possible to reproduce the XLF shape with our models, given the current knowledge for the star-formation history of this starburst galaxy. We thus produce hybrid models meant to represent the two stellar populations: one old, metal-poor with continuous star-formation for 1.5 Gyr and another recent and metal-rich population. To examine the validity of the"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0310200","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":"2026-05-18T01:07:33Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Vh5opNn32bLJDR99RPUH1TB6tdb/3IgXQVel1kY+ssgQg2qJc+PUT+2Jfd0Mn0852vTKSGx5U4J++x38WlxYDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-30T13:29:20.803847Z"},"content_sha256":"5078bc506f5733845278d8d4dcfc8155343b4aab270ec249108734adca6b68a9","schema_version":"1.0","event_id":"sha256:5078bc506f5733845278d8d4dcfc8155343b4aab270ec249108734adca6b68a9"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/HY3WU6BGHEZGB2VQMUVTEJHJY2/bundle.json","state_url":"https://pith.science/pith/HY3WU6BGHEZGB2VQMUVTEJHJY2/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/HY3WU6BGHEZGB2VQMUVTEJHJY2/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":"2026-06-30T13:29:20Z","links":{"resolver":"https://pith.science/pith/HY3WU6BGHEZGB2VQMUVTEJHJY2","bundle":"https://pith.science/pith/HY3WU6BGHEZGB2VQMUVTEJHJY2/bundle.json","state":"https://pith.science/pith/HY3WU6BGHEZGB2VQMUVTEJHJY2/state.json","well_known_bundle":"https://pith.science/.well-known/pith/HY3WU6BGHEZGB2VQMUVTEJHJY2/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2003:HY3WU6BGHEZGB2VQMUVTEJHJY2","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":"157827f628d2b4e1af1971deb2131d67baeebf8d762293e2c5d8e127c6250403","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2003-10-08T05:19:57Z","title_canon_sha256":"87fef7ba9036fe82275a572596ca6d85c8ff9cbb86cbd1a30445ee1d2a6c4b52"},"schema_version":"1.0","source":{"id":"astro-ph/0310200","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0310200","created_at":"2026-05-18T01:07:33Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0310200v2","created_at":"2026-05-18T01:07:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0310200","created_at":"2026-05-18T01:07:33Z"},{"alias_kind":"pith_short_12","alias_value":"HY3WU6BGHEZG","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_16","alias_value":"HY3WU6BGHEZGB2VQ","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_8","alias_value":"HY3WU6BG","created_at":"2026-05-18T12:25:52Z"}],"graph_snapshots":[{"event_id":"sha256:5078bc506f5733845278d8d4dcfc8155343b4aab270ec249108734adca6b68a9","target":"graph","created_at":"2026-05-18T01:07:33Z","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"},"paper":{"abstract_excerpt":"Using the population synthesis code StarTrack we construct the first synthetic X-ray binary populations for direct comparison with the X-ray luminosity function (XLF) of NGC 1569 observed with Chandra.\n Our main goal is to examine whether it is possible to reproduce the XLF shape with our models, given the current knowledge for the star-formation history of this starburst galaxy. We thus produce hybrid models meant to represent the two stellar populations: one old, metal-poor with continuous star-formation for 1.5 Gyr and another recent and metal-rich population. To examine the validity of the","authors_text":"A.Zezas, G.Fabbiano, K.Belczynski, V.Kalogera","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2003-10-08T05:19:57Z","title":"X-Ray Binary Populations: The Luminosity Function of NGC1569"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0310200","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":"sha256:87b51c5d00169766c926c28e77059d7bb897ecdaccc43ab27e275c8991bcffd1","target":"record","created_at":"2026-05-18T01:07:33Z","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":"157827f628d2b4e1af1971deb2131d67baeebf8d762293e2c5d8e127c6250403","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2003-10-08T05:19:57Z","title_canon_sha256":"87fef7ba9036fe82275a572596ca6d85c8ff9cbb86cbd1a30445ee1d2a6c4b52"},"schema_version":"1.0","source":{"id":"astro-ph/0310200","kind":"arxiv","version":2}},"canonical_sha256":"3e376a7826393260eab0652b3224e9c6a739e5cd79d4d89399bac40a384382e7","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3e376a7826393260eab0652b3224e9c6a739e5cd79d4d89399bac40a384382e7","first_computed_at":"2026-05-18T01:07:33.254135Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:07:33.254135Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"o2XIHF9wP05JHEc4dz1BxYF28hELCiX2j/HEtlutTJGSEWEYYSiA/PPlxlc/wogEBY2XBDGMhA01YSq7qHIUDw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:07:33.254833Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/0310200","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:87b51c5d00169766c926c28e77059d7bb897ecdaccc43ab27e275c8991bcffd1","sha256:5078bc506f5733845278d8d4dcfc8155343b4aab270ec249108734adca6b68a9"],"state_sha256":"6fde1c9e8e59aee97a104531bcf4e5eadcb308fece9f1e0cada9f658283d652f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"UtY+uVOAI9X7pkzPMfs+5kH1uFWzYlkdvz0eoM6xTYYuWYEoCYx53Q3xzedMa9JzmbokN6mazg3yEP5kDAZ3Cg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-30T13:29:20.805854Z","bundle_sha256":"6a9aad62eaa9426dbcf2e23bbeea28bc337e8dd70e2b2dc4928d9045ec5cdc1a"}}