{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2004:PC3HKK2Y247XSZ3OSZW4QHE5AA","short_pith_number":"pith:PC3HKK2Y","canonical_record":{"source":{"id":"astro-ph/0412476","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2004-12-17T15:56:14Z","cross_cats_sorted":[],"title_canon_sha256":"1d610e86a6ab1fb8a6003a90aa5be6cf9650b717005e1e1c769df05ab17491b2","abstract_canon_sha256":"07badab0d4d88925f2ab40a9883294980b59b135fdc934c7420816289431d392"},"schema_version":"1.0"},"canonical_sha256":"78b6752b58d73f79676e966dc81c9d003657b533b3f3d4abf0cd59538f77b3f5","source":{"kind":"arxiv","id":"astro-ph/0412476","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0412476","created_at":"2026-07-04T16:45:26Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0412476v1","created_at":"2026-07-04T16:45:26Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0412476","created_at":"2026-07-04T16:45:26Z"},{"alias_kind":"pith_short_12","alias_value":"PC3HKK2Y247X","created_at":"2026-07-04T16:45:26Z"},{"alias_kind":"pith_short_16","alias_value":"PC3HKK2Y247XSZ3O","created_at":"2026-07-04T16:45:26Z"},{"alias_kind":"pith_short_8","alias_value":"PC3HKK2Y","created_at":"2026-07-04T16:45:26Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2004:PC3HKK2Y247XSZ3OSZW4QHE5AA","target":"record","payload":{"canonical_record":{"source":{"id":"astro-ph/0412476","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2004-12-17T15:56:14Z","cross_cats_sorted":[],"title_canon_sha256":"1d610e86a6ab1fb8a6003a90aa5be6cf9650b717005e1e1c769df05ab17491b2","abstract_canon_sha256":"07badab0d4d88925f2ab40a9883294980b59b135fdc934c7420816289431d392"},"schema_version":"1.0"},"canonical_sha256":"78b6752b58d73f79676e966dc81c9d003657b533b3f3d4abf0cd59538f77b3f5","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T16:45:26.746770Z","signature_b64":"HcnsUdAoaP1Hbti1ScPWYIDLc4V4aq8pzKN2wp4dQ+TjD8JG90y4RUj0lZr6oxl/UXr5Ks8evJw3w3RErkJWAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"78b6752b58d73f79676e966dc81c9d003657b533b3f3d4abf0cd59538f77b3f5","last_reissued_at":"2026-07-04T16:45:26.746355Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T16:45:26.746355Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"astro-ph/0412476","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":"2026-07-04T16:45:26Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"K25ouz17WkgIgoULEWEDQuHUKNCF7ZMFOT6VCV9wKndKLKpmy0N++oZ8cppkL9bJZCyDVbOpF+33r4fARpksAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T02:18:28.746954Z"},"content_sha256":"7577f733229f340fa3f69124d6642d24b6fa2ba20f313a93a91fc9a751f81d60","schema_version":"1.0","event_id":"sha256:7577f733229f340fa3f69124d6642d24b6fa2ba20f313a93a91fc9a751f81d60"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2004:PC3HKK2Y247XSZ3OSZW4QHE5AA","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Complete Multiwavelength Characterization of Faint Chandra X-ray Sources Seen in the Spitzer Wide-Area IR Extragalactic (SWIRE) Survey","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"A. Franceschini (1), B. Siana, B. Wilkes, C.J. Lonsdale, C.K. Xu, D. Farrah, D. Frayer, D. Padgett, D. Shupe, E. Gonzalez-Solares, E. Hatziminaoglou, F. Fan, F. Masci ((1) Dipartimento di Astronomia, F. Owe, G. Rodighiero, H.E. Smith, I. Perez-Fournon, J. Manners, J. Surace, K. Nandra, M. Polletta, M. Rowan-Robinson, M. Vaccari, S. Berta, S. Oliver, T. Babbedge, T. Jarrett, Universita' di Padova)","submitted_at":"2004-12-17T15:56:14Z","abstract_excerpt":"We exploit deep combined observations with Spitzer and Chandra of the SWIRE survey in the ELAIS-N1 region, to investigate the nature of the faint X-ray and IR sources in common, to identify AGN/starburst diagnostics, and to study the sources of the X-ray and IR cosmic backgrounds. In the 17'x17' area of the Chandra ACIS-I image there are 3400 SWIRE near-IR sources with 4 sigma detections in at least 2 IRAC bands and 988 sources detected at 24micron with MIPS brighter than 0.1 mJy. Of these, 102 IRAC and 59 MIPS sources have Chandra counterparts, out of a total of 122 X-ray sources present in t"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0412476","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/astro-ph/0412476/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":"2026-07-04T16:45:26Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"H6sODCIu5SbDg6sqM4f1p6Luk/xDvcwIv8tCfz980Q4emPlbZ2tVC+AfVpw0PK3Te73Mc2sq2kMQRrUQNTswBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T02:18:28.747609Z"},"content_sha256":"b62de1b4871d956a3ba2a072981df76b3f2c79bd6f7cb401a871523e257b2d21","schema_version":"1.0","event_id":"sha256:b62de1b4871d956a3ba2a072981df76b3f2c79bd6f7cb401a871523e257b2d21"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/PC3HKK2Y247XSZ3OSZW4QHE5AA/bundle.json","state_url":"https://pith.science/pith/PC3HKK2Y247XSZ3OSZW4QHE5AA/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/PC3HKK2Y247XSZ3OSZW4QHE5AA/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":"2026-08-05T02:18:28Z","links":{"resolver":"https://pith.science/pith/PC3HKK2Y247XSZ3OSZW4QHE5AA","bundle":"https://pith.science/pith/PC3HKK2Y247XSZ3OSZW4QHE5AA/bundle.json","state":"https://pith.science/pith/PC3HKK2Y247XSZ3OSZW4QHE5AA/state.json","well_known_bundle":"https://pith.science/.well-known/pith/PC3HKK2Y247XSZ3OSZW4QHE5AA/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2004:PC3HKK2Y247XSZ3OSZW4QHE5AA","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":"07badab0d4d88925f2ab40a9883294980b59b135fdc934c7420816289431d392","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2004-12-17T15:56:14Z","title_canon_sha256":"1d610e86a6ab1fb8a6003a90aa5be6cf9650b717005e1e1c769df05ab17491b2"},"schema_version":"1.0","source":{"id":"astro-ph/0412476","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0412476","created_at":"2026-07-04T16:45:26Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0412476v1","created_at":"2026-07-04T16:45:26Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0412476","created_at":"2026-07-04T16:45:26Z"},{"alias_kind":"pith_short_12","alias_value":"PC3HKK2Y247X","created_at":"2026-07-04T16:45:26Z"},{"alias_kind":"pith_short_16","alias_value":"PC3HKK2Y247XSZ3O","created_at":"2026-07-04T16:45:26Z"},{"alias_kind":"pith_short_8","alias_value":"PC3HKK2Y","created_at":"2026-07-04T16:45:26Z"}],"graph_snapshots":[{"event_id":"sha256:b62de1b4871d956a3ba2a072981df76b3f2c79bd6f7cb401a871523e257b2d21","target":"graph","created_at":"2026-07-04T16:45:26Z","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/astro-ph/0412476/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We exploit deep combined observations with Spitzer and Chandra of the SWIRE survey in the ELAIS-N1 region, to investigate the nature of the faint X-ray and IR sources in common, to identify AGN/starburst diagnostics, and to study the sources of the X-ray and IR cosmic backgrounds. In the 17'x17' area of the Chandra ACIS-I image there are 3400 SWIRE near-IR sources with 4 sigma detections in at least 2 IRAC bands and 988 sources detected at 24micron with MIPS brighter than 0.1 mJy. Of these, 102 IRAC and 59 MIPS sources have Chandra counterparts, out of a total of 122 X-ray sources present in t","authors_text":"A. Franceschini (1), B. Siana, B. Wilkes, C.J. Lonsdale, C.K. Xu, D. Farrah, D. Frayer, D. Padgett, D. Shupe, E. Gonzalez-Solares, E. Hatziminaoglou, F. Fan, F. Masci ((1) Dipartimento di Astronomia, F. Owe, G. Rodighiero, H.E. Smith, I. Perez-Fournon, J. Manners, J. Surace, K. Nandra, M. Polletta, M. Rowan-Robinson, M. Vaccari, S. Berta, S. Oliver, T. Babbedge, T. Jarrett, Universita' di Padova)","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2004-12-17T15:56:14Z","title":"Complete Multiwavelength Characterization of Faint Chandra X-ray Sources Seen in the Spitzer Wide-Area IR Extragalactic (SWIRE) Survey"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0412476","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":"sha256:7577f733229f340fa3f69124d6642d24b6fa2ba20f313a93a91fc9a751f81d60","target":"record","created_at":"2026-07-04T16:45:26Z","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":"07badab0d4d88925f2ab40a9883294980b59b135fdc934c7420816289431d392","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2004-12-17T15:56:14Z","title_canon_sha256":"1d610e86a6ab1fb8a6003a90aa5be6cf9650b717005e1e1c769df05ab17491b2"},"schema_version":"1.0","source":{"id":"astro-ph/0412476","kind":"arxiv","version":1}},"canonical_sha256":"78b6752b58d73f79676e966dc81c9d003657b533b3f3d4abf0cd59538f77b3f5","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"78b6752b58d73f79676e966dc81c9d003657b533b3f3d4abf0cd59538f77b3f5","first_computed_at":"2026-07-04T16:45:26.746355Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T16:45:26.746355Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"HcnsUdAoaP1Hbti1ScPWYIDLc4V4aq8pzKN2wp4dQ+TjD8JG90y4RUj0lZr6oxl/UXr5Ks8evJw3w3RErkJWAQ==","signature_status":"signed_v1","signed_at":"2026-07-04T16:45:26.746770Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/0412476","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7577f733229f340fa3f69124d6642d24b6fa2ba20f313a93a91fc9a751f81d60","sha256:b62de1b4871d956a3ba2a072981df76b3f2c79bd6f7cb401a871523e257b2d21"],"state_sha256":"0c9667b924f7cee3d9aa62685ded04775bb8cca11f58e16451a555522f06b2c9"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Ln+UTZJpZ2AhwW6FqskMpoMJEOFHJXzy1KZn1y8WFqbPX5yPW7cNOHW4qcQIX177FSXlKphAN1P3FatNiK9yCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-05T02:18:28.752796Z","bundle_sha256":"091c7b3e5979f907cebc02708083ccc124766b1ea53d7253c97394348cac0ab8"}}