{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:IMEHXDZA4SKMMSOZ5TAAG2JKTT","short_pith_number":"pith:IMEHXDZA","canonical_record":{"source":{"id":"1905.05197","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-05-13T18:00:02Z","cross_cats_sorted":["astro-ph.CO"],"title_canon_sha256":"f6481e4561d6379d13ed4a5d2c13cbd6f0c7e38c569dc2520be4c3bc350f5870","abstract_canon_sha256":"29c6763a29650e9b580007f71c0d0bfac4ac2809959b2e493b4313d25fe508d4"},"schema_version":"1.0"},"canonical_sha256":"43087b8f20e494c649d9ecc003692a9cfd2a48e4476c4a4dd7ecfb0cf73a5f0c","source":{"kind":"arxiv","id":"1905.05197","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1905.05197","created_at":"2026-05-17T23:41:08Z"},{"alias_kind":"arxiv_version","alias_value":"1905.05197v1","created_at":"2026-05-17T23:41:08Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1905.05197","created_at":"2026-05-17T23:41:08Z"},{"alias_kind":"pith_short_12","alias_value":"IMEHXDZA4SKM","created_at":"2026-05-18T12:33:18Z"},{"alias_kind":"pith_short_16","alias_value":"IMEHXDZA4SKMMSOZ","created_at":"2026-05-18T12:33:18Z"},{"alias_kind":"pith_short_8","alias_value":"IMEHXDZA","created_at":"2026-05-18T12:33:18Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:IMEHXDZA4SKMMSOZ5TAAG2JKTT","target":"record","payload":{"canonical_record":{"source":{"id":"1905.05197","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-05-13T18:00:02Z","cross_cats_sorted":["astro-ph.CO"],"title_canon_sha256":"f6481e4561d6379d13ed4a5d2c13cbd6f0c7e38c569dc2520be4c3bc350f5870","abstract_canon_sha256":"29c6763a29650e9b580007f71c0d0bfac4ac2809959b2e493b4313d25fe508d4"},"schema_version":"1.0"},"canonical_sha256":"43087b8f20e494c649d9ecc003692a9cfd2a48e4476c4a4dd7ecfb0cf73a5f0c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:41:08.655674Z","signature_b64":"tB1G/2J+L2gqzqIRj1BFP+matoQ58nMEtu96Kg3UnFa5vWRI1NaKsmU3Tas4KyZi8jEj7sOlQHHbZbyuZHMABA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"43087b8f20e494c649d9ecc003692a9cfd2a48e4476c4a4dd7ecfb0cf73a5f0c","last_reissued_at":"2026-05-17T23:41:08.655009Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:41:08.655009Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1905.05197","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":"2026-05-17T23:41:08Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VHhoc0elB1UpJBpVRsOnsmOxt5iQ/A1JC08pi3yRS4KkUxaXlSTWUwck6d1PNrJqrPwvD/fVVqZB2HdWAzh1AQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T05:52:43.145969Z"},"content_sha256":"7e3fa231604ff0a0cd3ce0643d56980dc0c78199f99c69ce990731e5ee5291c3","schema_version":"1.0","event_id":"sha256:7e3fa231604ff0a0cd3ce0643d56980dc0c78199f99c69ce990731e5ee5291c3"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:IMEHXDZA4SKMMSOZ5TAAG2JKTT","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"X-ray Binary Luminosity Function Scaling Relations for Local Galaxies Based on Subgalactic Modeling","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO"],"primary_cat":"astro-ph.GA","authors_text":"Andrea Prestwich, Andreas Zezas, Andrew Ptak, Ann E. Hornschemeier, Antara Basu-Zych, Bret D. Lehmer, Mihoko Yukita, Panayiotis Tzanavaris, Rafael T. Eufrasio, Tassos Fragos","submitted_at":"2019-05-13T18:00:02Z","abstract_excerpt":"We present new Chandra constraints on the X-ray luminosity functions (XLFs) of X-ray binary (XRB) populations, and their scaling relations, for a sample of 38 nearby galaxies (D = 3.4-29 Mpc). Our galaxy sample is drawn primarily from the Spitzer infrared nearby galaxy survey (SINGS), and contains a wealth of Chandra (5.8 Ms total) and multiwavelength data, allowing for star-formation rates (SFRs) and stellar masses (M*) to be measured on subgalactic scales. We divided the 2478 X-ray detected sources into 21 subsamples in bins of specific-SFR (sSFR = SFR/M*) and constructed XLFs. To model the "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1905.05197","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":""},"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":"2026-05-17T23:41:08Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fvh0vaY6idkNPJNjLKlOstvwG0Aop6r6l8ASPgmPQRD3m72tjJbmJyRsKpe/W6XrpeL1572yYBhyJkDeUTR4CQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T05:52:43.146341Z"},"content_sha256":"0fe4730df8b2a1c66b2315d5b67d2c07d67fb0e11ebf588314add9b1c167c374","schema_version":"1.0","event_id":"sha256:0fe4730df8b2a1c66b2315d5b67d2c07d67fb0e11ebf588314add9b1c167c374"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/IMEHXDZA4SKMMSOZ5TAAG2JKTT/bundle.json","state_url":"https://pith.science/pith/IMEHXDZA4SKMMSOZ5TAAG2JKTT/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/IMEHXDZA4SKMMSOZ5TAAG2JKTT/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":"2026-06-05T05:52:43Z","links":{"resolver":"https://pith.science/pith/IMEHXDZA4SKMMSOZ5TAAG2JKTT","bundle":"https://pith.science/pith/IMEHXDZA4SKMMSOZ5TAAG2JKTT/bundle.json","state":"https://pith.science/pith/IMEHXDZA4SKMMSOZ5TAAG2JKTT/state.json","well_known_bundle":"https://pith.science/.well-known/pith/IMEHXDZA4SKMMSOZ5TAAG2JKTT/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:IMEHXDZA4SKMMSOZ5TAAG2JKTT","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":"29c6763a29650e9b580007f71c0d0bfac4ac2809959b2e493b4313d25fe508d4","cross_cats_sorted":["astro-ph.CO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-05-13T18:00:02Z","title_canon_sha256":"f6481e4561d6379d13ed4a5d2c13cbd6f0c7e38c569dc2520be4c3bc350f5870"},"schema_version":"1.0","source":{"id":"1905.05197","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1905.05197","created_at":"2026-05-17T23:41:08Z"},{"alias_kind":"arxiv_version","alias_value":"1905.05197v1","created_at":"2026-05-17T23:41:08Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1905.05197","created_at":"2026-05-17T23:41:08Z"},{"alias_kind":"pith_short_12","alias_value":"IMEHXDZA4SKM","created_at":"2026-05-18T12:33:18Z"},{"alias_kind":"pith_short_16","alias_value":"IMEHXDZA4SKMMSOZ","created_at":"2026-05-18T12:33:18Z"},{"alias_kind":"pith_short_8","alias_value":"IMEHXDZA","created_at":"2026-05-18T12:33:18Z"}],"graph_snapshots":[{"event_id":"sha256:0fe4730df8b2a1c66b2315d5b67d2c07d67fb0e11ebf588314add9b1c167c374","target":"graph","created_at":"2026-05-17T23:41:08Z","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 present new Chandra constraints on the X-ray luminosity functions (XLFs) of X-ray binary (XRB) populations, and their scaling relations, for a sample of 38 nearby galaxies (D = 3.4-29 Mpc). Our galaxy sample is drawn primarily from the Spitzer infrared nearby galaxy survey (SINGS), and contains a wealth of Chandra (5.8 Ms total) and multiwavelength data, allowing for star-formation rates (SFRs) and stellar masses (M*) to be measured on subgalactic scales. We divided the 2478 X-ray detected sources into 21 subsamples in bins of specific-SFR (sSFR = SFR/M*) and constructed XLFs. To model the ","authors_text":"Andrea Prestwich, Andreas Zezas, Andrew Ptak, Ann E. Hornschemeier, Antara Basu-Zych, Bret D. Lehmer, Mihoko Yukita, Panayiotis Tzanavaris, Rafael T. Eufrasio, Tassos Fragos","cross_cats":["astro-ph.CO"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-05-13T18:00:02Z","title":"X-ray Binary Luminosity Function Scaling Relations for Local Galaxies Based on Subgalactic Modeling"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1905.05197","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":"sha256:7e3fa231604ff0a0cd3ce0643d56980dc0c78199f99c69ce990731e5ee5291c3","target":"record","created_at":"2026-05-17T23:41:08Z","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":"29c6763a29650e9b580007f71c0d0bfac4ac2809959b2e493b4313d25fe508d4","cross_cats_sorted":["astro-ph.CO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-05-13T18:00:02Z","title_canon_sha256":"f6481e4561d6379d13ed4a5d2c13cbd6f0c7e38c569dc2520be4c3bc350f5870"},"schema_version":"1.0","source":{"id":"1905.05197","kind":"arxiv","version":1}},"canonical_sha256":"43087b8f20e494c649d9ecc003692a9cfd2a48e4476c4a4dd7ecfb0cf73a5f0c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"43087b8f20e494c649d9ecc003692a9cfd2a48e4476c4a4dd7ecfb0cf73a5f0c","first_computed_at":"2026-05-17T23:41:08.655009Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:41:08.655009Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"tB1G/2J+L2gqzqIRj1BFP+matoQ58nMEtu96Kg3UnFa5vWRI1NaKsmU3Tas4KyZi8jEj7sOlQHHbZbyuZHMABA==","signature_status":"signed_v1","signed_at":"2026-05-17T23:41:08.655674Z","signed_message":"canonical_sha256_bytes"},"source_id":"1905.05197","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7e3fa231604ff0a0cd3ce0643d56980dc0c78199f99c69ce990731e5ee5291c3","sha256:0fe4730df8b2a1c66b2315d5b67d2c07d67fb0e11ebf588314add9b1c167c374"],"state_sha256":"95db1c9b9c60db99141d07f9f4ccd2f6e7ae0a9c7358860e62b90a459b587617"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qxp7eRYIaCjdxOaUxecfhshmWJYyUDga6DbeXgNVdrb77cTPGoP8iaaqXijRzcgOhBrGJI6VhOt+V3g8bMHfBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-05T05:52:43.148476Z","bundle_sha256":"43fc26855e83590dc4ff422f7b4a10cac5cf2d2be456ddac8abb66e49d7d826a"}}