{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:53QZ2XGC77U7KHNEZHPQK5OEGL","short_pith_number":"pith:53QZ2XGC","canonical_record":{"source":{"id":"1005.1069","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2010-05-06T20:00:03Z","cross_cats_sorted":[],"title_canon_sha256":"4817b5d7137cafdca0714019a9176a955cc08ab0b08d82b4fd830feaf44866bf","abstract_canon_sha256":"e0a5357d0a0e8f26bd73f627fe1650bd965da37c33ed7033412df21d146642ce"},"schema_version":"1.0"},"canonical_sha256":"eee19d5cc2ffe9f51da4c9df0575c432e92f897eb89b1e792ccd9a5c40c39f06","source":{"kind":"arxiv","id":"1005.1069","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1005.1069","created_at":"2026-07-04T17:30:12Z"},{"alias_kind":"arxiv_version","alias_value":"1005.1069v2","created_at":"2026-07-04T17:30:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1005.1069","created_at":"2026-07-04T17:30:12Z"},{"alias_kind":"pith_short_12","alias_value":"53QZ2XGC77U7","created_at":"2026-07-04T17:30:12Z"},{"alias_kind":"pith_short_16","alias_value":"53QZ2XGC77U7KHNE","created_at":"2026-07-04T17:30:12Z"},{"alias_kind":"pith_short_8","alias_value":"53QZ2XGC","created_at":"2026-07-04T17:30:12Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:53QZ2XGC77U7KHNEZHPQK5OEGL","target":"record","payload":{"canonical_record":{"source":{"id":"1005.1069","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2010-05-06T20:00:03Z","cross_cats_sorted":[],"title_canon_sha256":"4817b5d7137cafdca0714019a9176a955cc08ab0b08d82b4fd830feaf44866bf","abstract_canon_sha256":"e0a5357d0a0e8f26bd73f627fe1650bd965da37c33ed7033412df21d146642ce"},"schema_version":"1.0"},"canonical_sha256":"eee19d5cc2ffe9f51da4c9df0575c432e92f897eb89b1e792ccd9a5c40c39f06","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T17:30:12.085486Z","signature_b64":"MlzKYhAnIBJL5YL31hmeezT8lOwllm4HLhpmYnacfWqadjxEO/AyEIrOFKxlGOgYmvlALyCs1odGHrLvfTpqCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"eee19d5cc2ffe9f51da4c9df0575c432e92f897eb89b1e792ccd9a5c40c39f06","last_reissued_at":"2026-07-04T17:30:12.085069Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T17:30:12.085069Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1005.1069","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-04T17:30:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"NkCEMB58aKOnFBeLXCsbbhC/vuIsU7Gkd9YtrkmW24D1GxxfbzqspbmahW1Cr0N65xNa9aCcXCVpk9D9TPRvAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-19T04:39:57.286618Z"},"content_sha256":"0557daf14aad8209130491e9cd096652642768783b992ca4699128f225cbdcf8","schema_version":"1.0","event_id":"sha256:0557daf14aad8209130491e9cd096652642768783b992ca4699128f225cbdcf8"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:53QZ2XGC77U7KHNEZHPQK5OEGL","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Ultra deep AKARI observations of Abell 2218: resolving the 15 um extragalactic background light","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"C. Pearson, E. Egami, H. Matsuhara, H. M. Lee, I. Smail, J. Ko, J.-P. Kneib, M. G. Lee, M. Im, M. Negrello, R. Hopwood, S. Serjeant, T. Nakagawa, T. Takagi","submitted_at":"2010-05-06T20:00:03Z","abstract_excerpt":"We present extragalactic number counts and a lower limit estimate for the cosmic infrared background at 15 um from AKARI ultra deep mapping of the gravitational lensing cluster Abell 2218. This data is the deepest taken by any facility at this wavelength, and uniquely samples the normal galaxy population. We have de-blended our sources, to resolve photometric confusion, and de-lensed our photometry to probe beyond AKARI's blank-field sensitivity. We estimate a de-blended 5 sigma sensitivity of 28.7 uJy. The resulting 15 um galaxy number counts are a factor of three fainter than previous result"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1005.1069","kind":"arxiv","version":2},"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/1005.1069/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":"2026-07-04T17:30:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/jPvMHlEtVAtnFb6XSepcOfQEDktwtz0cRm/myIVDt3Fnl1u+/gdHqetkn5blTANqEelYnrS4+1dYB1wgeqFCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-19T04:39:57.287136Z"},"content_sha256":"aaf170f7cef0aae11d19eb0b60d005f8a8f3194aa966cd42482d317d625e24f5","schema_version":"1.0","event_id":"sha256:aaf170f7cef0aae11d19eb0b60d005f8a8f3194aa966cd42482d317d625e24f5"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/53QZ2XGC77U7KHNEZHPQK5OEGL/bundle.json","state_url":"https://pith.science/pith/53QZ2XGC77U7KHNEZHPQK5OEGL/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/53QZ2XGC77U7KHNEZHPQK5OEGL/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":"2026-08-19T04:39:57Z","links":{"resolver":"https://pith.science/pith/53QZ2XGC77U7KHNEZHPQK5OEGL","bundle":"https://pith.science/pith/53QZ2XGC77U7KHNEZHPQK5OEGL/bundle.json","state":"https://pith.science/pith/53QZ2XGC77U7KHNEZHPQK5OEGL/state.json","well_known_bundle":"https://pith.science/.well-known/pith/53QZ2XGC77U7KHNEZHPQK5OEGL/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:53QZ2XGC77U7KHNEZHPQK5OEGL","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":"e0a5357d0a0e8f26bd73f627fe1650bd965da37c33ed7033412df21d146642ce","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2010-05-06T20:00:03Z","title_canon_sha256":"4817b5d7137cafdca0714019a9176a955cc08ab0b08d82b4fd830feaf44866bf"},"schema_version":"1.0","source":{"id":"1005.1069","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1005.1069","created_at":"2026-07-04T17:30:12Z"},{"alias_kind":"arxiv_version","alias_value":"1005.1069v2","created_at":"2026-07-04T17:30:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1005.1069","created_at":"2026-07-04T17:30:12Z"},{"alias_kind":"pith_short_12","alias_value":"53QZ2XGC77U7","created_at":"2026-07-04T17:30:12Z"},{"alias_kind":"pith_short_16","alias_value":"53QZ2XGC77U7KHNE","created_at":"2026-07-04T17:30:12Z"},{"alias_kind":"pith_short_8","alias_value":"53QZ2XGC","created_at":"2026-07-04T17:30:12Z"}],"graph_snapshots":[{"event_id":"sha256:aaf170f7cef0aae11d19eb0b60d005f8a8f3194aa966cd42482d317d625e24f5","target":"graph","created_at":"2026-07-04T17:30:12Z","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/1005.1069/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We present extragalactic number counts and a lower limit estimate for the cosmic infrared background at 15 um from AKARI ultra deep mapping of the gravitational lensing cluster Abell 2218. This data is the deepest taken by any facility at this wavelength, and uniquely samples the normal galaxy population. We have de-blended our sources, to resolve photometric confusion, and de-lensed our photometry to probe beyond AKARI's blank-field sensitivity. We estimate a de-blended 5 sigma sensitivity of 28.7 uJy. The resulting 15 um galaxy number counts are a factor of three fainter than previous result","authors_text":"C. Pearson, E. Egami, H. Matsuhara, H. M. Lee, I. Smail, J. Ko, J.-P. Kneib, M. G. Lee, M. Im, M. Negrello, R. Hopwood, S. Serjeant, T. Nakagawa, T. Takagi","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2010-05-06T20:00:03Z","title":"Ultra deep AKARI observations of Abell 2218: resolving the 15 um extragalactic background light"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1005.1069","kind":"arxiv","version":2},"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":"sha256:0557daf14aad8209130491e9cd096652642768783b992ca4699128f225cbdcf8","target":"record","created_at":"2026-07-04T17:30:12Z","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":"e0a5357d0a0e8f26bd73f627fe1650bd965da37c33ed7033412df21d146642ce","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2010-05-06T20:00:03Z","title_canon_sha256":"4817b5d7137cafdca0714019a9176a955cc08ab0b08d82b4fd830feaf44866bf"},"schema_version":"1.0","source":{"id":"1005.1069","kind":"arxiv","version":2}},"canonical_sha256":"eee19d5cc2ffe9f51da4c9df0575c432e92f897eb89b1e792ccd9a5c40c39f06","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"eee19d5cc2ffe9f51da4c9df0575c432e92f897eb89b1e792ccd9a5c40c39f06","first_computed_at":"2026-07-04T17:30:12.085069Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T17:30:12.085069Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"MlzKYhAnIBJL5YL31hmeezT8lOwllm4HLhpmYnacfWqadjxEO/AyEIrOFKxlGOgYmvlALyCs1odGHrLvfTpqCQ==","signature_status":"signed_v1","signed_at":"2026-07-04T17:30:12.085486Z","signed_message":"canonical_sha256_bytes"},"source_id":"1005.1069","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0557daf14aad8209130491e9cd096652642768783b992ca4699128f225cbdcf8","sha256:aaf170f7cef0aae11d19eb0b60d005f8a8f3194aa966cd42482d317d625e24f5"],"state_sha256":"023a6260ad50412b10e39c3128327f8c97efd5483ee0f8996e6e7383df80bd58"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CRpUoDj0O1NdBt4mGzzz11ileVQvYjm/qfN5qpEPkxw69lqgaQ4gI9xafu7celOpeaEjKDlhsSscfGMfdWoTDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-19T04:39:57.293235Z","bundle_sha256":"01968675cde3aa755bf92bb050bb57994bc9dc75f59f253845f0691f3dbab4a0"}}