{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:O4TMZTNG7VZSAU77JJF7V7CYRS","short_pith_number":"pith:O4TMZTNG","canonical_record":{"source":{"id":"1306.6490","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2013-06-27T13:14:12Z","cross_cats_sorted":["astro-ph.CO"],"title_canon_sha256":"3ead6fc556e940c15fba7e55c965469de59298ef2807e76b73e1cb20775a1bd9","abstract_canon_sha256":"d6e7cafed399283d3ecb12b6c75b82ae0dde5768bb4195d0faa73437f717f942"},"schema_version":"1.0"},"canonical_sha256":"7726cccda6fd732053ff4a4bfafc588c83528d4fc0c9fcb5074db4c4b2960e8c","source":{"kind":"arxiv","id":"1306.6490","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1306.6490","created_at":"2026-05-18T01:49:07Z"},{"alias_kind":"arxiv_version","alias_value":"1306.6490v2","created_at":"2026-05-18T01:49:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1306.6490","created_at":"2026-05-18T01:49:07Z"},{"alias_kind":"pith_short_12","alias_value":"O4TMZTNG7VZS","created_at":"2026-05-18T12:27:54Z"},{"alias_kind":"pith_short_16","alias_value":"O4TMZTNG7VZSAU77","created_at":"2026-05-18T12:27:54Z"},{"alias_kind":"pith_short_8","alias_value":"O4TMZTNG","created_at":"2026-05-18T12:27:54Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:O4TMZTNG7VZSAU77JJF7V7CYRS","target":"record","payload":{"canonical_record":{"source":{"id":"1306.6490","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2013-06-27T13:14:12Z","cross_cats_sorted":["astro-ph.CO"],"title_canon_sha256":"3ead6fc556e940c15fba7e55c965469de59298ef2807e76b73e1cb20775a1bd9","abstract_canon_sha256":"d6e7cafed399283d3ecb12b6c75b82ae0dde5768bb4195d0faa73437f717f942"},"schema_version":"1.0"},"canonical_sha256":"7726cccda6fd732053ff4a4bfafc588c83528d4fc0c9fcb5074db4c4b2960e8c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:49:07.180181Z","signature_b64":"s5b3sBsPvwCpkrjLNg4OlPKe17s5MxqISDPIs5+qGi7Vv71Yt40vg3FkI8HK5aKO7eW43N2nYIWfEbAPoh9TBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7726cccda6fd732053ff4a4bfafc588c83528d4fc0c9fcb5074db4c4b2960e8c","last_reissued_at":"2026-05-18T01:49:07.179649Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:49:07.179649Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1306.6490","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":"2026-05-18T01:49:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"W3r8A/X1e0WA9t/h79pRPuuQas++goAzkHbcDbvnKhvOrJlUcmjejkjNuBEKNWPHRYlzwVRlELH8UBkVEdGPDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T23:31:44.857544Z"},"content_sha256":"82d39898557bf84546f1a83d2e64881a3501e54cd13299d27723162f885f2753","schema_version":"1.0","event_id":"sha256:82d39898557bf84546f1a83d2e64881a3501e54cd13299d27723162f885f2753"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:O4TMZTNG7VZSAU77JJF7V7CYRS","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The radial distribution of X-ray Binaries and Globular Clusters in NGC 4649 and their relation with the local stellar mass density","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO"],"primary_cat":"astro-ph.HE","authors_text":"2), 2-University of Durham, 3-Michigan State University, 4-UCO/Lick Observatory, 5-University of Wisconsin, 6-University of Crete, 7-Pennsylvania State University), A. Zezas (6), B. Luo (7) (1-Harvard-Smithsonian Center for Astrophysics, D.-W. Kim (1), G. Fabbiano (1), J. P. Brodie (4), J. S. Gallagher (5), J. Strader (3), R. D'Abrusco (1), S. Mineo (1, T. Fragos (1)","submitted_at":"2013-06-27T13:14:12Z","abstract_excerpt":"We investigate the radial distribution of the low-mass X-ray binary (LMXB) population in the elliptical galaxy NGC 4649, using Chandra and Hubble data to separate the field and globular cluster (GC) populations. GCs with LMXBs have the same radial distribution as the parent red and blue GCs. The radial profile of field LMXBs follows the V-band profile within the D25 of NGC 4649. Using the spatial information provided by our data, we find that the global galaxy-wide relations between cumulative number and luminosity of LMXBs and the integrated stellar mass hold on local scales within D25. An ex"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1306.6490","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":"2026-05-18T01:49:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"J11Lrhe7n20gWxbNrD37w9/Xv19dDeQHoaM4stGwddARveg4nl7GNh94sOQUqea5aTvTX7HAJQCFS7Dv7MynBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T23:31:44.857906Z"},"content_sha256":"58b6214f2d1fcc9d9261fb4e751edd09f2b045c214f5599177b696143ff2e019","schema_version":"1.0","event_id":"sha256:58b6214f2d1fcc9d9261fb4e751edd09f2b045c214f5599177b696143ff2e019"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/O4TMZTNG7VZSAU77JJF7V7CYRS/bundle.json","state_url":"https://pith.science/pith/O4TMZTNG7VZSAU77JJF7V7CYRS/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/O4TMZTNG7VZSAU77JJF7V7CYRS/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":"2026-06-02T23:31:44Z","links":{"resolver":"https://pith.science/pith/O4TMZTNG7VZSAU77JJF7V7CYRS","bundle":"https://pith.science/pith/O4TMZTNG7VZSAU77JJF7V7CYRS/bundle.json","state":"https://pith.science/pith/O4TMZTNG7VZSAU77JJF7V7CYRS/state.json","well_known_bundle":"https://pith.science/.well-known/pith/O4TMZTNG7VZSAU77JJF7V7CYRS/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:O4TMZTNG7VZSAU77JJF7V7CYRS","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":"d6e7cafed399283d3ecb12b6c75b82ae0dde5768bb4195d0faa73437f717f942","cross_cats_sorted":["astro-ph.CO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2013-06-27T13:14:12Z","title_canon_sha256":"3ead6fc556e940c15fba7e55c965469de59298ef2807e76b73e1cb20775a1bd9"},"schema_version":"1.0","source":{"id":"1306.6490","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1306.6490","created_at":"2026-05-18T01:49:07Z"},{"alias_kind":"arxiv_version","alias_value":"1306.6490v2","created_at":"2026-05-18T01:49:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1306.6490","created_at":"2026-05-18T01:49:07Z"},{"alias_kind":"pith_short_12","alias_value":"O4TMZTNG7VZS","created_at":"2026-05-18T12:27:54Z"},{"alias_kind":"pith_short_16","alias_value":"O4TMZTNG7VZSAU77","created_at":"2026-05-18T12:27:54Z"},{"alias_kind":"pith_short_8","alias_value":"O4TMZTNG","created_at":"2026-05-18T12:27:54Z"}],"graph_snapshots":[{"event_id":"sha256:58b6214f2d1fcc9d9261fb4e751edd09f2b045c214f5599177b696143ff2e019","target":"graph","created_at":"2026-05-18T01:49:07Z","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 investigate the radial distribution of the low-mass X-ray binary (LMXB) population in the elliptical galaxy NGC 4649, using Chandra and Hubble data to separate the field and globular cluster (GC) populations. GCs with LMXBs have the same radial distribution as the parent red and blue GCs. The radial profile of field LMXBs follows the V-band profile within the D25 of NGC 4649. Using the spatial information provided by our data, we find that the global galaxy-wide relations between cumulative number and luminosity of LMXBs and the integrated stellar mass hold on local scales within D25. An ex","authors_text":"2), 2-University of Durham, 3-Michigan State University, 4-UCO/Lick Observatory, 5-University of Wisconsin, 6-University of Crete, 7-Pennsylvania State University), A. Zezas (6), B. Luo (7) (1-Harvard-Smithsonian Center for Astrophysics, D.-W. Kim (1), G. Fabbiano (1), J. P. Brodie (4), J. S. Gallagher (5), J. Strader (3), R. D'Abrusco (1), S. Mineo (1, T. Fragos (1)","cross_cats":["astro-ph.CO"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2013-06-27T13:14:12Z","title":"The radial distribution of X-ray Binaries and Globular Clusters in NGC 4649 and their relation with the local stellar mass density"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1306.6490","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":"sha256:82d39898557bf84546f1a83d2e64881a3501e54cd13299d27723162f885f2753","target":"record","created_at":"2026-05-18T01:49:07Z","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":"d6e7cafed399283d3ecb12b6c75b82ae0dde5768bb4195d0faa73437f717f942","cross_cats_sorted":["astro-ph.CO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2013-06-27T13:14:12Z","title_canon_sha256":"3ead6fc556e940c15fba7e55c965469de59298ef2807e76b73e1cb20775a1bd9"},"schema_version":"1.0","source":{"id":"1306.6490","kind":"arxiv","version":2}},"canonical_sha256":"7726cccda6fd732053ff4a4bfafc588c83528d4fc0c9fcb5074db4c4b2960e8c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7726cccda6fd732053ff4a4bfafc588c83528d4fc0c9fcb5074db4c4b2960e8c","first_computed_at":"2026-05-18T01:49:07.179649Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:49:07.179649Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"s5b3sBsPvwCpkrjLNg4OlPKe17s5MxqISDPIs5+qGi7Vv71Yt40vg3FkI8HK5aKO7eW43N2nYIWfEbAPoh9TBg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:49:07.180181Z","signed_message":"canonical_sha256_bytes"},"source_id":"1306.6490","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:82d39898557bf84546f1a83d2e64881a3501e54cd13299d27723162f885f2753","sha256:58b6214f2d1fcc9d9261fb4e751edd09f2b045c214f5599177b696143ff2e019"],"state_sha256":"1fc6f1fdd02efb86f8498670771dfbb89ea23aeb9b5deb1d8288be03e98c295f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7usgP+nqqweyz56e/5z7EjZn6OolXfGo8r6kx1SJDYJAouGj8boYkI6OK0ps8ix7lvCcBvIx7SABTyoyisZ7Bw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-02T23:31:44.859930Z","bundle_sha256":"f01da0eb3030091655295c84ccd177c2b4ec3409da030e0df7ff28721435692a"}}