{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:SEBLDRGHRU2GW62SYOXYSUH6EA","short_pith_number":"pith:SEBLDRGH","canonical_record":{"source":{"id":"1505.00012","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2015-04-30T20:00:30Z","cross_cats_sorted":["astro-ph.CO","astro-ph.HE"],"title_canon_sha256":"35ff8a1064ddca1bed186c8807d5c566a951c74cf88d760e8c2e689d4c340714","abstract_canon_sha256":"34a757edcaf15e8939e7841fa68d1ed86c1e837f1186a2f33a9fe1f40cd723be"},"schema_version":"1.0"},"canonical_sha256":"9102b1c4c78d346b7b52c3af8950fe20209f1ddffab7c82e9a746685bc54cbb6","source":{"kind":"arxiv","id":"1505.00012","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1505.00012","created_at":"2026-05-18T02:17:13Z"},{"alias_kind":"arxiv_version","alias_value":"1505.00012v1","created_at":"2026-05-18T02:17:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1505.00012","created_at":"2026-05-18T02:17:13Z"},{"alias_kind":"pith_short_12","alias_value":"SEBLDRGHRU2G","created_at":"2026-05-18T12:29:39Z"},{"alias_kind":"pith_short_16","alias_value":"SEBLDRGHRU2GW62S","created_at":"2026-05-18T12:29:39Z"},{"alias_kind":"pith_short_8","alias_value":"SEBLDRGH","created_at":"2026-05-18T12:29:39Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:SEBLDRGHRU2GW62SYOXYSUH6EA","target":"record","payload":{"canonical_record":{"source":{"id":"1505.00012","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2015-04-30T20:00:30Z","cross_cats_sorted":["astro-ph.CO","astro-ph.HE"],"title_canon_sha256":"35ff8a1064ddca1bed186c8807d5c566a951c74cf88d760e8c2e689d4c340714","abstract_canon_sha256":"34a757edcaf15e8939e7841fa68d1ed86c1e837f1186a2f33a9fe1f40cd723be"},"schema_version":"1.0"},"canonical_sha256":"9102b1c4c78d346b7b52c3af8950fe20209f1ddffab7c82e9a746685bc54cbb6","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:17:13.888499Z","signature_b64":"8te4HDm7xJaJVB4J9Uh79wT64aXsNt+Oc/UmHwzNf8F5qd4PQBWmCWLu/1KjgMp6GXRTys0p9FOkc9pwsAgTDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9102b1c4c78d346b7b52c3af8950fe20209f1ddffab7c82e9a746685bc54cbb6","last_reissued_at":"2026-05-18T02:17:13.887828Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:17:13.887828Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1505.00012","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":"2026-05-18T02:17:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Q12EweoELntKLM3VIzU4FL4p1Mwi1W3uqKJS1KNIOgEHL3I9oFgiN1mo6Pj/fpfAWxutshDXiYiNNJPWZ5GjAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T13:50:22.819821Z"},"content_sha256":"a03b859a6a63b494b8b8e897c93af004d59d1fba28c91cab8c59b1310e1791fa","schema_version":"1.0","event_id":"sha256:a03b859a6a63b494b8b8e897c93af004d59d1fba28c91cab8c59b1310e1791fa"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:SEBLDRGHRU2GW62SYOXYSUH6EA","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Hyper Suprime-Camera Survey of the AKARI NEP wide field","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO","astro-ph.HE"],"primary_cat":"astro-ph.GA","authors_text":"the AKARI NEP team, Tomotsugu Goto (NTHU)","submitted_at":"2015-04-30T20:00:30Z","abstract_excerpt":"The extragalactic background suggests half the energy generated by stars reprocessed into the infrared (IR) by dust. At z$\\sim$1.3, 90\\% of star formation is obscured by dust. To fully understand the cosmic star formation history, it is critical to investigate infrared emission. AKARI has made deep mid-IR observation using its continuous 9-band filters in the NEP field (5.4 deg$^2$), using $\\sim$10\\% of the entire pointed observations available throughout its lifetime. However, there remain 11,000 AKARI's infrared sources undetected with the previous CFHT/Megacam imaging ($r\\sim$25.9ABmag). Re"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1505.00012","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":"2026-05-18T02:17:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"iZMC/9JNspre/Oqnm7LYDgQ8nn8AtOVcv5HjKRfRJP/y0f5hWHipWpi7nEga7L0G2HrEM7jwcDh2HhlBssthAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T13:50:22.820171Z"},"content_sha256":"54b7935466c5ad01e330d0555e9df5e51bccdc4e2565403fc33c296e8c2d5e7d","schema_version":"1.0","event_id":"sha256:54b7935466c5ad01e330d0555e9df5e51bccdc4e2565403fc33c296e8c2d5e7d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/SEBLDRGHRU2GW62SYOXYSUH6EA/bundle.json","state_url":"https://pith.science/pith/SEBLDRGHRU2GW62SYOXYSUH6EA/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/SEBLDRGHRU2GW62SYOXYSUH6EA/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":"2026-06-01T13:50:22Z","links":{"resolver":"https://pith.science/pith/SEBLDRGHRU2GW62SYOXYSUH6EA","bundle":"https://pith.science/pith/SEBLDRGHRU2GW62SYOXYSUH6EA/bundle.json","state":"https://pith.science/pith/SEBLDRGHRU2GW62SYOXYSUH6EA/state.json","well_known_bundle":"https://pith.science/.well-known/pith/SEBLDRGHRU2GW62SYOXYSUH6EA/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:SEBLDRGHRU2GW62SYOXYSUH6EA","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":"34a757edcaf15e8939e7841fa68d1ed86c1e837f1186a2f33a9fe1f40cd723be","cross_cats_sorted":["astro-ph.CO","astro-ph.HE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2015-04-30T20:00:30Z","title_canon_sha256":"35ff8a1064ddca1bed186c8807d5c566a951c74cf88d760e8c2e689d4c340714"},"schema_version":"1.0","source":{"id":"1505.00012","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1505.00012","created_at":"2026-05-18T02:17:13Z"},{"alias_kind":"arxiv_version","alias_value":"1505.00012v1","created_at":"2026-05-18T02:17:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1505.00012","created_at":"2026-05-18T02:17:13Z"},{"alias_kind":"pith_short_12","alias_value":"SEBLDRGHRU2G","created_at":"2026-05-18T12:29:39Z"},{"alias_kind":"pith_short_16","alias_value":"SEBLDRGHRU2GW62S","created_at":"2026-05-18T12:29:39Z"},{"alias_kind":"pith_short_8","alias_value":"SEBLDRGH","created_at":"2026-05-18T12:29:39Z"}],"graph_snapshots":[{"event_id":"sha256:54b7935466c5ad01e330d0555e9df5e51bccdc4e2565403fc33c296e8c2d5e7d","target":"graph","created_at":"2026-05-18T02:17:13Z","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 extragalactic background suggests half the energy generated by stars reprocessed into the infrared (IR) by dust. At z$\\sim$1.3, 90\\% of star formation is obscured by dust. To fully understand the cosmic star formation history, it is critical to investigate infrared emission. AKARI has made deep mid-IR observation using its continuous 9-band filters in the NEP field (5.4 deg$^2$), using $\\sim$10\\% of the entire pointed observations available throughout its lifetime. However, there remain 11,000 AKARI's infrared sources undetected with the previous CFHT/Megacam imaging ($r\\sim$25.9ABmag). Re","authors_text":"the AKARI NEP team, Tomotsugu Goto (NTHU)","cross_cats":["astro-ph.CO","astro-ph.HE"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2015-04-30T20:00:30Z","title":"Hyper Suprime-Camera Survey of the AKARI NEP wide field"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1505.00012","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:a03b859a6a63b494b8b8e897c93af004d59d1fba28c91cab8c59b1310e1791fa","target":"record","created_at":"2026-05-18T02:17:13Z","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":"34a757edcaf15e8939e7841fa68d1ed86c1e837f1186a2f33a9fe1f40cd723be","cross_cats_sorted":["astro-ph.CO","astro-ph.HE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2015-04-30T20:00:30Z","title_canon_sha256":"35ff8a1064ddca1bed186c8807d5c566a951c74cf88d760e8c2e689d4c340714"},"schema_version":"1.0","source":{"id":"1505.00012","kind":"arxiv","version":1}},"canonical_sha256":"9102b1c4c78d346b7b52c3af8950fe20209f1ddffab7c82e9a746685bc54cbb6","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9102b1c4c78d346b7b52c3af8950fe20209f1ddffab7c82e9a746685bc54cbb6","first_computed_at":"2026-05-18T02:17:13.887828Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:17:13.887828Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"8te4HDm7xJaJVB4J9Uh79wT64aXsNt+Oc/UmHwzNf8F5qd4PQBWmCWLu/1KjgMp6GXRTys0p9FOkc9pwsAgTDw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:17:13.888499Z","signed_message":"canonical_sha256_bytes"},"source_id":"1505.00012","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a03b859a6a63b494b8b8e897c93af004d59d1fba28c91cab8c59b1310e1791fa","sha256:54b7935466c5ad01e330d0555e9df5e51bccdc4e2565403fc33c296e8c2d5e7d"],"state_sha256":"865356b6aca539f9fb21d29bb63171836bbd79737b7583257f0be0159c078192"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"WK+oBzbk+FUpR82tP1LNNPqrJXCDfW3K/ho/LuO1zJi7PXXb0uB1BfuZk66SRNVfUtWaeiKJ+J/X9b7CgHACAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T13:50:22.822087Z","bundle_sha256":"6d3fef66ac7a5b85afa3ebf09b7e19a1bf8fb954b7736420aa05946baa608c6c"}}