{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:F7LVAWXXGLV6E6HEK5CL34UTZK","short_pith_number":"pith:F7LVAWXX","canonical_record":{"source":{"id":"1601.00941","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-01-05T19:24:34Z","cross_cats_sorted":[],"title_canon_sha256":"b667c09ed4fba00a9928c8e6acdc9dc71d5fd60237eb4b585daa7f933cb01230","abstract_canon_sha256":"9ddf6056a20dcd6a035a8a4ddc16088896bdfdeff0177faa8b270bbe76103d97"},"schema_version":"1.0"},"canonical_sha256":"2fd7505af732ebe278e45744bdf293ca870462a56dde3e676b5fceea460ad11f","source":{"kind":"arxiv","id":"1601.00941","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1601.00941","created_at":"2026-05-18T01:19:01Z"},{"alias_kind":"arxiv_version","alias_value":"1601.00941v1","created_at":"2026-05-18T01:19:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1601.00941","created_at":"2026-05-18T01:19:01Z"},{"alias_kind":"pith_short_12","alias_value":"F7LVAWXXGLV6","created_at":"2026-05-18T12:30:15Z"},{"alias_kind":"pith_short_16","alias_value":"F7LVAWXXGLV6E6HE","created_at":"2026-05-18T12:30:15Z"},{"alias_kind":"pith_short_8","alias_value":"F7LVAWXX","created_at":"2026-05-18T12:30:15Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:F7LVAWXXGLV6E6HEK5CL34UTZK","target":"record","payload":{"canonical_record":{"source":{"id":"1601.00941","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-01-05T19:24:34Z","cross_cats_sorted":[],"title_canon_sha256":"b667c09ed4fba00a9928c8e6acdc9dc71d5fd60237eb4b585daa7f933cb01230","abstract_canon_sha256":"9ddf6056a20dcd6a035a8a4ddc16088896bdfdeff0177faa8b270bbe76103d97"},"schema_version":"1.0"},"canonical_sha256":"2fd7505af732ebe278e45744bdf293ca870462a56dde3e676b5fceea460ad11f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:19:01.479576Z","signature_b64":"RAFh3RPeiAozlY0z9kMjfPuegr/WJnOI/5TMAAf6lZhZ8G2AFCBgH4YxZxSSAJXQSWPP6VkF6EMyaoM/FgQ1AA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2fd7505af732ebe278e45744bdf293ca870462a56dde3e676b5fceea460ad11f","last_reissued_at":"2026-05-18T01:19:01.479174Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:19:01.479174Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1601.00941","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":"2026-05-18T01:19:01Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7qDxfrSvaAm7JlFZvXzDFkpyxfJ9fYjQi2gzacr3u4CeYQqR7c/CZKMP+G+YqRkeWeTPJqcKqbYUI46vczPVBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-27T21:26:25.815023Z"},"content_sha256":"ad16cb9d3d91951bdbcbdcb39afb002b556bbdd09d1e7fd9556e7b35abcd65b0","schema_version":"1.0","event_id":"sha256:ad16cb9d3d91951bdbcbdcb39afb002b556bbdd09d1e7fd9556e7b35abcd65b0"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:F7LVAWXXGLV6E6HEK5CL34UTZK","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The Chandra COSMOS Legacy survey: overview and point source catalog","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"A. Comastri, A. Finoguenov, A. Fruscione, A. Karim, B. Trakhenbrot, C. Vignali, D. M. Alexander, D. Stern, E. Schinnerer, E. Treister, F. A. Harrison, F. Civano (Yale, F. Fiore, G. Hasinger, G. Lanzuisi, G. Zamorani, H. Brunner, H. Hao, J. Kartaltepe, J. Silverman, K. Glotfelty, K. Jahnke, K. Schawinski, M. Brusa, M.C. Urry, M. Elvis, M. Salvato, M. Sargent, N. Cappelluti, N. J. Scoville, P. Capak, P. Ranalli, R. E. Griffiths, R. Gilli, SAO), S. Marchesi, S. M. LaMassa, S. Puccetti, S. Toft, T. Aldcroft, T. Miyaji, V. Allevato, V. Smolcic","submitted_at":"2016-01-05T19:24:34Z","abstract_excerpt":"The COSMOS-Legacy survey is a 4.6 Ms Chandra program that has imaged 2.2 deg$^2$ of the COSMOS field with an effective exposure of $\\simeq$160 ks over the central 1.5 deg$^2$ and of $\\simeq$80 ks in the remaining area. The survey is the combination of 56 new observations, obtained as an X-ray Visionary Project, with the previous C-COSMOS survey. We describe the reduction and analysis of the new observations and the properties of 2273 point sources detected above a spurious probability of 2$\\times 10^{-5}$. We also present the updated properties of the C-COSMOS sources detected in the new data."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1601.00941","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":"2026-05-18T01:19:01Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RC+BS6ejST5QFv0h1J49177jcMXozOMO1Fx/ZJN1GV2TfAW2xIBWyIw2/AyQbmfV0mNLYPcVsSIqDfcH+RkYDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-27T21:26:25.815380Z"},"content_sha256":"dc2112bd3c84c9f6ca4af9f9323f904ce0d22c07a8e3c7df8445c0a697b120b3","schema_version":"1.0","event_id":"sha256:dc2112bd3c84c9f6ca4af9f9323f904ce0d22c07a8e3c7df8445c0a697b120b3"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/F7LVAWXXGLV6E6HEK5CL34UTZK/bundle.json","state_url":"https://pith.science/pith/F7LVAWXXGLV6E6HEK5CL34UTZK/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/F7LVAWXXGLV6E6HEK5CL34UTZK/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":"2026-06-27T21:26:25Z","links":{"resolver":"https://pith.science/pith/F7LVAWXXGLV6E6HEK5CL34UTZK","bundle":"https://pith.science/pith/F7LVAWXXGLV6E6HEK5CL34UTZK/bundle.json","state":"https://pith.science/pith/F7LVAWXXGLV6E6HEK5CL34UTZK/state.json","well_known_bundle":"https://pith.science/.well-known/pith/F7LVAWXXGLV6E6HEK5CL34UTZK/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:F7LVAWXXGLV6E6HEK5CL34UTZK","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":"9ddf6056a20dcd6a035a8a4ddc16088896bdfdeff0177faa8b270bbe76103d97","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-01-05T19:24:34Z","title_canon_sha256":"b667c09ed4fba00a9928c8e6acdc9dc71d5fd60237eb4b585daa7f933cb01230"},"schema_version":"1.0","source":{"id":"1601.00941","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1601.00941","created_at":"2026-05-18T01:19:01Z"},{"alias_kind":"arxiv_version","alias_value":"1601.00941v1","created_at":"2026-05-18T01:19:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1601.00941","created_at":"2026-05-18T01:19:01Z"},{"alias_kind":"pith_short_12","alias_value":"F7LVAWXXGLV6","created_at":"2026-05-18T12:30:15Z"},{"alias_kind":"pith_short_16","alias_value":"F7LVAWXXGLV6E6HE","created_at":"2026-05-18T12:30:15Z"},{"alias_kind":"pith_short_8","alias_value":"F7LVAWXX","created_at":"2026-05-18T12:30:15Z"}],"graph_snapshots":[{"event_id":"sha256:dc2112bd3c84c9f6ca4af9f9323f904ce0d22c07a8e3c7df8445c0a697b120b3","target":"graph","created_at":"2026-05-18T01:19:01Z","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":"The COSMOS-Legacy survey is a 4.6 Ms Chandra program that has imaged 2.2 deg$^2$ of the COSMOS field with an effective exposure of $\\simeq$160 ks over the central 1.5 deg$^2$ and of $\\simeq$80 ks in the remaining area. The survey is the combination of 56 new observations, obtained as an X-ray Visionary Project, with the previous C-COSMOS survey. We describe the reduction and analysis of the new observations and the properties of 2273 point sources detected above a spurious probability of 2$\\times 10^{-5}$. We also present the updated properties of the C-COSMOS sources detected in the new data.","authors_text":"A. Comastri, A. Finoguenov, A. Fruscione, A. Karim, B. Trakhenbrot, C. Vignali, D. M. Alexander, D. Stern, E. Schinnerer, E. Treister, F. A. Harrison, F. Civano (Yale, F. Fiore, G. Hasinger, G. Lanzuisi, G. Zamorani, H. Brunner, H. Hao, J. Kartaltepe, J. Silverman, K. Glotfelty, K. Jahnke, K. Schawinski, M. Brusa, M.C. Urry, M. Elvis, M. Salvato, M. Sargent, N. Cappelluti, N. J. Scoville, P. Capak, P. Ranalli, R. E. Griffiths, R. Gilli, SAO), S. Marchesi, S. M. LaMassa, S. Puccetti, S. Toft, T. Aldcroft, T. Miyaji, V. Allevato, V. Smolcic","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-01-05T19:24:34Z","title":"The Chandra COSMOS Legacy survey: overview and point source catalog"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1601.00941","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:ad16cb9d3d91951bdbcbdcb39afb002b556bbdd09d1e7fd9556e7b35abcd65b0","target":"record","created_at":"2026-05-18T01:19:01Z","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":"9ddf6056a20dcd6a035a8a4ddc16088896bdfdeff0177faa8b270bbe76103d97","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-01-05T19:24:34Z","title_canon_sha256":"b667c09ed4fba00a9928c8e6acdc9dc71d5fd60237eb4b585daa7f933cb01230"},"schema_version":"1.0","source":{"id":"1601.00941","kind":"arxiv","version":1}},"canonical_sha256":"2fd7505af732ebe278e45744bdf293ca870462a56dde3e676b5fceea460ad11f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2fd7505af732ebe278e45744bdf293ca870462a56dde3e676b5fceea460ad11f","first_computed_at":"2026-05-18T01:19:01.479174Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:19:01.479174Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"RAFh3RPeiAozlY0z9kMjfPuegr/WJnOI/5TMAAf6lZhZ8G2AFCBgH4YxZxSSAJXQSWPP6VkF6EMyaoM/FgQ1AA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:19:01.479576Z","signed_message":"canonical_sha256_bytes"},"source_id":"1601.00941","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ad16cb9d3d91951bdbcbdcb39afb002b556bbdd09d1e7fd9556e7b35abcd65b0","sha256:dc2112bd3c84c9f6ca4af9f9323f904ce0d22c07a8e3c7df8445c0a697b120b3"],"state_sha256":"e729ddc911445be7f6d52fd09a3309a0cf33b869a7035d9031908a84d210365e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"yH2s6K2IEI5RkXZZxKKxkGSpAef1aENNJmO7GNgqjbQyBzZqOgxzAmDO87o6SmooLSpDBfoso7wBiupYV3XDDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-27T21:26:25.817457Z","bundle_sha256":"42ed327401e19c7714185fe3ec695d5651ceb11131383c678c4ef0c70618b6f2"}}