{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2008:RVDSG64SZQJD5QDAES2UBR6FNN","short_pith_number":"pith:RVDSG64S","canonical_record":{"source":{"id":"0806.1880","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-06-11T14:14:37Z","cross_cats_sorted":[],"title_canon_sha256":"f4699050bcefac363e142ddfa1fda606be40c3e6b3be5550578e9cc3d54c598a","abstract_canon_sha256":"094f4fec20846a1cd010401202491ad11e290574f9245afa2586e6d8fec3123b"},"schema_version":"1.0"},"canonical_sha256":"8d47237b92cc123ec06024b540c7c56b4b0dcd8ef0abc8c5e10dff9bf27cfba6","source":{"kind":"arxiv","id":"0806.1880","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0806.1880","created_at":"2026-05-18T04:30:58Z"},{"alias_kind":"arxiv_version","alias_value":"0806.1880v1","created_at":"2026-05-18T04:30:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0806.1880","created_at":"2026-05-18T04:30:58Z"},{"alias_kind":"pith_short_12","alias_value":"RVDSG64SZQJD","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_16","alias_value":"RVDSG64SZQJD5QDA","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_8","alias_value":"RVDSG64S","created_at":"2026-05-18T12:25:58Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2008:RVDSG64SZQJD5QDAES2UBR6FNN","target":"record","payload":{"canonical_record":{"source":{"id":"0806.1880","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-06-11T14:14:37Z","cross_cats_sorted":[],"title_canon_sha256":"f4699050bcefac363e142ddfa1fda606be40c3e6b3be5550578e9cc3d54c598a","abstract_canon_sha256":"094f4fec20846a1cd010401202491ad11e290574f9245afa2586e6d8fec3123b"},"schema_version":"1.0"},"canonical_sha256":"8d47237b92cc123ec06024b540c7c56b4b0dcd8ef0abc8c5e10dff9bf27cfba6","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:30:58.464043Z","signature_b64":"/SW8IL/Yy3D/GmD8t/MdUm+xjMAuJsW9DwOSCiHyC9yImNC67viSmNX2/5jTrcxoR9MiNi9zAeS4JaMCwvp6Bw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8d47237b92cc123ec06024b540c7c56b4b0dcd8ef0abc8c5e10dff9bf27cfba6","last_reissued_at":"2026-05-18T04:30:58.463136Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:30:58.463136Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0806.1880","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":"2026-05-18T04:30:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"WFOQ62LzTHIVnQeLlHZFqjZXb7YqHUnN0kVNztXMI82mr7jr0Esh3JXWCT/QTcvvkGFWB03WqyLmLkl2z3oaDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T11:25:27.566067Z"},"content_sha256":"2fd6e8aa761090dedc9a9ef2b9d3efe4a51d9ba9ad94f87e308e99dbe8ed693e","schema_version":"1.0","event_id":"sha256:2fd6e8aa761090dedc9a9ef2b9d3efe4a51d9ba9ad94f87e308e99dbe8ed693e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2008:RVDSG64SZQJD5QDAES2UBR6FNN","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Comparison of 3.6 - 8.0 Micron Spitzer/IRAC Galactic Center Survey Point Sources with Chandra X-Ray Point Sources in the Central 40x40 Parsecs","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"A. S. Cotera, C. J. Law, D. Y. Gezari, F. Yusef-Zadeh, H. A. Smith, K. Sellgren, R. G. Arendt, R. Smith, S. H. Moseley, S. R. Stolovy, S. V. Ramirez","submitted_at":"2008-06-11T14:14:37Z","abstract_excerpt":"We have studied the correlation between 2357 Chandra X-ray point sources in a 40 x 40 parsec field and ~20,000 infrared sources we observed in the corresponding subset of our 2 x 1.4 degree Spitzer/IRAC Galactic Center Survey at 3.6-8.0 um, using various spatial and X-ray hardness thresholds. The correlation was determined for source separations of less than 0.5\", 1\" or 2\". Only the soft X-ray sources show any correlation with infrared point sources on these scales, and that correlation is very weak. The upper limit on hard X-ray sources that have infrared counterparts is <1.7% (3 sigma). Howe"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0806.1880","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":"2026-05-18T04:30:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"i8Wf0o7XY/NofhV8sWt/zXYH5bF8Dd33gXBEbWkQP7JsXPm/JKoi/FbePn0u/TjYZmlqje0vOUjcaUy1OOPlAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T11:25:27.566678Z"},"content_sha256":"31a0eb6ffb037bd613dc00b3fec78f7b1efbc25a222a9fc021c4ddbfa17eadce","schema_version":"1.0","event_id":"sha256:31a0eb6ffb037bd613dc00b3fec78f7b1efbc25a222a9fc021c4ddbfa17eadce"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/RVDSG64SZQJD5QDAES2UBR6FNN/bundle.json","state_url":"https://pith.science/pith/RVDSG64SZQJD5QDAES2UBR6FNN/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/RVDSG64SZQJD5QDAES2UBR6FNN/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":"2026-06-02T11:25:27Z","links":{"resolver":"https://pith.science/pith/RVDSG64SZQJD5QDAES2UBR6FNN","bundle":"https://pith.science/pith/RVDSG64SZQJD5QDAES2UBR6FNN/bundle.json","state":"https://pith.science/pith/RVDSG64SZQJD5QDAES2UBR6FNN/state.json","well_known_bundle":"https://pith.science/.well-known/pith/RVDSG64SZQJD5QDAES2UBR6FNN/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2008:RVDSG64SZQJD5QDAES2UBR6FNN","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":"094f4fec20846a1cd010401202491ad11e290574f9245afa2586e6d8fec3123b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-06-11T14:14:37Z","title_canon_sha256":"f4699050bcefac363e142ddfa1fda606be40c3e6b3be5550578e9cc3d54c598a"},"schema_version":"1.0","source":{"id":"0806.1880","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0806.1880","created_at":"2026-05-18T04:30:58Z"},{"alias_kind":"arxiv_version","alias_value":"0806.1880v1","created_at":"2026-05-18T04:30:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0806.1880","created_at":"2026-05-18T04:30:58Z"},{"alias_kind":"pith_short_12","alias_value":"RVDSG64SZQJD","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_16","alias_value":"RVDSG64SZQJD5QDA","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_8","alias_value":"RVDSG64S","created_at":"2026-05-18T12:25:58Z"}],"graph_snapshots":[{"event_id":"sha256:31a0eb6ffb037bd613dc00b3fec78f7b1efbc25a222a9fc021c4ddbfa17eadce","target":"graph","created_at":"2026-05-18T04:30:58Z","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 have studied the correlation between 2357 Chandra X-ray point sources in a 40 x 40 parsec field and ~20,000 infrared sources we observed in the corresponding subset of our 2 x 1.4 degree Spitzer/IRAC Galactic Center Survey at 3.6-8.0 um, using various spatial and X-ray hardness thresholds. The correlation was determined for source separations of less than 0.5\", 1\" or 2\". Only the soft X-ray sources show any correlation with infrared point sources on these scales, and that correlation is very weak. The upper limit on hard X-ray sources that have infrared counterparts is <1.7% (3 sigma). Howe","authors_text":"A. S. Cotera, C. J. Law, D. Y. Gezari, F. Yusef-Zadeh, H. A. Smith, K. Sellgren, R. G. Arendt, R. Smith, S. H. Moseley, S. R. Stolovy, S. V. Ramirez","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-06-11T14:14:37Z","title":"Comparison of 3.6 - 8.0 Micron Spitzer/IRAC Galactic Center Survey Point Sources with Chandra X-Ray Point Sources in the Central 40x40 Parsecs"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0806.1880","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":"sha256:2fd6e8aa761090dedc9a9ef2b9d3efe4a51d9ba9ad94f87e308e99dbe8ed693e","target":"record","created_at":"2026-05-18T04:30:58Z","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":"094f4fec20846a1cd010401202491ad11e290574f9245afa2586e6d8fec3123b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-06-11T14:14:37Z","title_canon_sha256":"f4699050bcefac363e142ddfa1fda606be40c3e6b3be5550578e9cc3d54c598a"},"schema_version":"1.0","source":{"id":"0806.1880","kind":"arxiv","version":1}},"canonical_sha256":"8d47237b92cc123ec06024b540c7c56b4b0dcd8ef0abc8c5e10dff9bf27cfba6","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8d47237b92cc123ec06024b540c7c56b4b0dcd8ef0abc8c5e10dff9bf27cfba6","first_computed_at":"2026-05-18T04:30:58.463136Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:30:58.463136Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"/SW8IL/Yy3D/GmD8t/MdUm+xjMAuJsW9DwOSCiHyC9yImNC67viSmNX2/5jTrcxoR9MiNi9zAeS4JaMCwvp6Bw==","signature_status":"signed_v1","signed_at":"2026-05-18T04:30:58.464043Z","signed_message":"canonical_sha256_bytes"},"source_id":"0806.1880","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2fd6e8aa761090dedc9a9ef2b9d3efe4a51d9ba9ad94f87e308e99dbe8ed693e","sha256:31a0eb6ffb037bd613dc00b3fec78f7b1efbc25a222a9fc021c4ddbfa17eadce"],"state_sha256":"a1414e333d1400f31ecb01c9dfd94b14b9e3dc99fc195d9f96754d912ca22612"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2JXuf+Yd/N7rhenC6Bb24P1arTSaDjJmWdXCdDEaYIMBkxXFjoTQY9dtgc6JAt8DL0zz9YS/LspUhXOQPOCKDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-02T11:25:27.570005Z","bundle_sha256":"1ae7b0edca87d1376f3205e84af63ed0741831e0c56dc2541d1365b639576e5b"}}