{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:PZOOUMU35VX6MXMY3TZXT6SLGJ","short_pith_number":"pith:PZOOUMU3","canonical_record":{"source":{"id":"2102.02615","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2021-02-04T14:00:14Z","cross_cats_sorted":[],"title_canon_sha256":"7638b750deb14e0ebc5a0e7599e98951b885afd17a77a55191fd91a4a1de258a","abstract_canon_sha256":"76ad2e54eacbdcfdce3264f6e7d66d04fd173e6ba0dff78f3d5de6ced448201b"},"schema_version":"1.0"},"canonical_sha256":"7e5cea329bed6fe65d98dcf379fa4b326a56a98c0f467c04eec08f9b8dea0c46","source":{"kind":"arxiv","id":"2102.02615","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2102.02615","created_at":"2026-07-05T02:15:42Z"},{"alias_kind":"arxiv_version","alias_value":"2102.02615v1","created_at":"2026-07-05T02:15:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2102.02615","created_at":"2026-07-05T02:15:42Z"},{"alias_kind":"pith_short_12","alias_value":"PZOOUMU35VX6","created_at":"2026-07-05T02:15:42Z"},{"alias_kind":"pith_short_16","alias_value":"PZOOUMU35VX6MXMY","created_at":"2026-07-05T02:15:42Z"},{"alias_kind":"pith_short_8","alias_value":"PZOOUMU3","created_at":"2026-07-05T02:15:42Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:PZOOUMU35VX6MXMY3TZXT6SLGJ","target":"record","payload":{"canonical_record":{"source":{"id":"2102.02615","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2021-02-04T14:00:14Z","cross_cats_sorted":[],"title_canon_sha256":"7638b750deb14e0ebc5a0e7599e98951b885afd17a77a55191fd91a4a1de258a","abstract_canon_sha256":"76ad2e54eacbdcfdce3264f6e7d66d04fd173e6ba0dff78f3d5de6ced448201b"},"schema_version":"1.0"},"canonical_sha256":"7e5cea329bed6fe65d98dcf379fa4b326a56a98c0f467c04eec08f9b8dea0c46","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T02:15:42.079777Z","signature_b64":"fMGomb0J/yttwvKjP4wzyYAmFVrXDAX7H40GOonCSlzHo+MdKsP0S+40N76bGasjNBjyR+Ly+w95M13dI4tJCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7e5cea329bed6fe65d98dcf379fa4b326a56a98c0f467c04eec08f9b8dea0c46","last_reissued_at":"2026-07-05T02:15:42.079427Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T02:15:42.079427Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2102.02615","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":"2026-07-05T02:15:42Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"LofmnNWge37tYNp12qmpT+8qUwkBp25fM3BPdtStE9mSQ55BZ3JXsGpPt/dpuSGuAgvQoj48AHduLNwo3q4hBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-13T17:59:57.808495Z"},"content_sha256":"7756a6b6c0b868237129c5856f32d27117004d45d63557e7c8829f19a2d007f2","schema_version":"1.0","event_id":"sha256:7756a6b6c0b868237129c5856f32d27117004d45d63557e7c8829f19a2d007f2"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:PZOOUMU35VX6MXMY3TZXT6SLGJ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Distances to Galactic X-ray Binaries with Gaia DR2","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"A. Bahramian, H. Papei, M.D. Gorski, P. Barmby, R. M. Arnason","submitted_at":"2021-02-04T14:00:14Z","abstract_excerpt":"Precise and accurate measurements of distances to Galactic X-ray binaries (XRBs) reduce uncertainties in the determination of XRB physical parameters. We have cross-matched the XRB catalogues of Liu et al. (2006, 2007) to the results of Gaia Data Release 2. We identify 86 X-ray binaries with a Gaia candidate counterpart, of which 32 are low-mass X-ray binaries (LMXBs) and 54 are high-mass X-ray binaries (HMXBs). Distances to Gaia candidate counterparts are, on average, consistent with those measured by Hipparcos and radio parallaxes. When compared to distances measured by Gaia candidate counte"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2102.02615","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/2102.02615/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":"2026-07-05T02:15:42Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"WKbSiDXNT0aLxbkjUhAVipxAA4PmgKS3ztpLAeHmzRLhAInIf2VvqY2Ie61zaagt6WJuz48dzx7Gbla45LoiDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-13T17:59:57.809506Z"},"content_sha256":"39c2a76a3cf2227c00eb5db576c6b35aab7910a68063cfc095ffc71f6f577c50","schema_version":"1.0","event_id":"sha256:39c2a76a3cf2227c00eb5db576c6b35aab7910a68063cfc095ffc71f6f577c50"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/PZOOUMU35VX6MXMY3TZXT6SLGJ/bundle.json","state_url":"https://pith.science/pith/PZOOUMU35VX6MXMY3TZXT6SLGJ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/PZOOUMU35VX6MXMY3TZXT6SLGJ/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":"2026-08-13T17:59:57Z","links":{"resolver":"https://pith.science/pith/PZOOUMU35VX6MXMY3TZXT6SLGJ","bundle":"https://pith.science/pith/PZOOUMU35VX6MXMY3TZXT6SLGJ/bundle.json","state":"https://pith.science/pith/PZOOUMU35VX6MXMY3TZXT6SLGJ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/PZOOUMU35VX6MXMY3TZXT6SLGJ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:PZOOUMU35VX6MXMY3TZXT6SLGJ","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":"76ad2e54eacbdcfdce3264f6e7d66d04fd173e6ba0dff78f3d5de6ced448201b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2021-02-04T14:00:14Z","title_canon_sha256":"7638b750deb14e0ebc5a0e7599e98951b885afd17a77a55191fd91a4a1de258a"},"schema_version":"1.0","source":{"id":"2102.02615","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2102.02615","created_at":"2026-07-05T02:15:42Z"},{"alias_kind":"arxiv_version","alias_value":"2102.02615v1","created_at":"2026-07-05T02:15:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2102.02615","created_at":"2026-07-05T02:15:42Z"},{"alias_kind":"pith_short_12","alias_value":"PZOOUMU35VX6","created_at":"2026-07-05T02:15:42Z"},{"alias_kind":"pith_short_16","alias_value":"PZOOUMU35VX6MXMY","created_at":"2026-07-05T02:15:42Z"},{"alias_kind":"pith_short_8","alias_value":"PZOOUMU3","created_at":"2026-07-05T02:15:42Z"}],"graph_snapshots":[{"event_id":"sha256:39c2a76a3cf2227c00eb5db576c6b35aab7910a68063cfc095ffc71f6f577c50","target":"graph","created_at":"2026-07-05T02:15:42Z","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/2102.02615/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Precise and accurate measurements of distances to Galactic X-ray binaries (XRBs) reduce uncertainties in the determination of XRB physical parameters. We have cross-matched the XRB catalogues of Liu et al. (2006, 2007) to the results of Gaia Data Release 2. We identify 86 X-ray binaries with a Gaia candidate counterpart, of which 32 are low-mass X-ray binaries (LMXBs) and 54 are high-mass X-ray binaries (HMXBs). Distances to Gaia candidate counterparts are, on average, consistent with those measured by Hipparcos and radio parallaxes. When compared to distances measured by Gaia candidate counte","authors_text":"A. Bahramian, H. Papei, M.D. Gorski, P. Barmby, R. M. Arnason","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2021-02-04T14:00:14Z","title":"Distances to Galactic X-ray Binaries with Gaia DR2"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2102.02615","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":"sha256:7756a6b6c0b868237129c5856f32d27117004d45d63557e7c8829f19a2d007f2","target":"record","created_at":"2026-07-05T02:15:42Z","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":"76ad2e54eacbdcfdce3264f6e7d66d04fd173e6ba0dff78f3d5de6ced448201b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2021-02-04T14:00:14Z","title_canon_sha256":"7638b750deb14e0ebc5a0e7599e98951b885afd17a77a55191fd91a4a1de258a"},"schema_version":"1.0","source":{"id":"2102.02615","kind":"arxiv","version":1}},"canonical_sha256":"7e5cea329bed6fe65d98dcf379fa4b326a56a98c0f467c04eec08f9b8dea0c46","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7e5cea329bed6fe65d98dcf379fa4b326a56a98c0f467c04eec08f9b8dea0c46","first_computed_at":"2026-07-05T02:15:42.079427Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T02:15:42.079427Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"fMGomb0J/yttwvKjP4wzyYAmFVrXDAX7H40GOonCSlzHo+MdKsP0S+40N76bGasjNBjyR+Ly+w95M13dI4tJCw==","signature_status":"signed_v1","signed_at":"2026-07-05T02:15:42.079777Z","signed_message":"canonical_sha256_bytes"},"source_id":"2102.02615","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7756a6b6c0b868237129c5856f32d27117004d45d63557e7c8829f19a2d007f2","sha256:39c2a76a3cf2227c00eb5db576c6b35aab7910a68063cfc095ffc71f6f577c50"],"state_sha256":"8f7e81ee978ef8b55b5188a45d8f1bd3ef68d4368d28b8445e6495027346d862"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ygocotMhsYeDSAWpEhWH0ou94Ztj/R9/NfhUONTXZLWTa19JFyKkY/QN0P9qhzkBOBUVVWe7G8gBe1jM0sDcBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-13T17:59:57.891437Z","bundle_sha256":"b853b7eb00b90aa38edf8681a687d3302e504256d6c8b599e9f7aba9ddbb08be"}}