{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2008:64BRMQIDGYMP2QLYCL6JQAEIFV","short_pith_number":"pith:64BRMQID","canonical_record":{"source":{"id":"0811.2041","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-11-13T07:01:09Z","cross_cats_sorted":[],"title_canon_sha256":"f6c966de3611eb84645c06822c62349d841c5ac3f79295ab3a939ac0e36519fa","abstract_canon_sha256":"66edd01e8526cd90cba5fb24033cecf9db0674bf7bc2948926d7b48016dee87f"},"schema_version":"1.0"},"canonical_sha256":"f7031641033618fd417812fc9800882d576f1185e3b06ce6ff42f5cd6f7b39a2","source":{"kind":"arxiv","id":"0811.2041","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0811.2041","created_at":"2026-05-18T04:29:25Z"},{"alias_kind":"arxiv_version","alias_value":"0811.2041v1","created_at":"2026-05-18T04:29:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0811.2041","created_at":"2026-05-18T04:29:25Z"},{"alias_kind":"pith_short_12","alias_value":"64BRMQIDGYMP","created_at":"2026-05-18T12:25:56Z"},{"alias_kind":"pith_short_16","alias_value":"64BRMQIDGYMP2QLY","created_at":"2026-05-18T12:25:56Z"},{"alias_kind":"pith_short_8","alias_value":"64BRMQID","created_at":"2026-05-18T12:25:56Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2008:64BRMQIDGYMP2QLYCL6JQAEIFV","target":"record","payload":{"canonical_record":{"source":{"id":"0811.2041","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-11-13T07:01:09Z","cross_cats_sorted":[],"title_canon_sha256":"f6c966de3611eb84645c06822c62349d841c5ac3f79295ab3a939ac0e36519fa","abstract_canon_sha256":"66edd01e8526cd90cba5fb24033cecf9db0674bf7bc2948926d7b48016dee87f"},"schema_version":"1.0"},"canonical_sha256":"f7031641033618fd417812fc9800882d576f1185e3b06ce6ff42f5cd6f7b39a2","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:29:25.115970Z","signature_b64":"lAs5OA9sXmLqy/mU5ZWWs5ZVCPlPP8KNHJ4xtLT5ue/ChR1nrzvMLnEiRrN7fbjA0ReAbPM8ZwoyB3lEWf4hBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f7031641033618fd417812fc9800882d576f1185e3b06ce6ff42f5cd6f7b39a2","last_reissued_at":"2026-05-18T04:29:25.115211Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:29:25.115211Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0811.2041","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":"2026-05-18T04:29:25Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"OJqXfoBa5TH4oAVaaknzq5DpFRQ3/tBd+4jwlMSIsgcflolgY/Z3Tux1o+FcXtk2tdYq9X1afPXnl52SRcdvBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T13:21:26.035930Z"},"content_sha256":"a05a9b9424e599028fe3599da91722c4dcbadfa3cd21c10e0f442194d3b61464","schema_version":"1.0","event_id":"sha256:a05a9b9424e599028fe3599da91722c4dcbadfa3cd21c10e0f442194d3b61464"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2008:64BRMQIDGYMP2QLYCL6JQAEIFV","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The Stellar Populations of Lyman Break Galaxies at z~5","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"Ikuru Iwata, Kentaro Aoki, Kiyoto Yabe, Kouji Ohta, Marcin Sawicki, Masayuki Akiyama, Naoyuki Tamura","submitted_at":"2008-11-13T07:01:09Z","abstract_excerpt":"We present the results of Spectral Energy Distribution(SED) fitting analysis for Lyman Break Galaxies(LBGs) at z~5 in the GOODS-N and its flanking fields (the GOODS-FF). With the publicly available IRAC images in the GOODS-N and IRAC data in the GOODS-FF, we constructed the rest-frame UV to optical SEDs for a large sample (~100) of UV-selected galaxies at z~5. Comparing the observed SEDs with model SEDs generated with a population synthesis code, we derived a best-fit set of parameters (stellar mass, age, color excess, and star formation rate) for each of sample LBGs. The derived stellar masse"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0811.2041","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":"2026-05-18T04:29:25Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"a2QIAKGUfGbylxzxGKWhvTk2ZXQKSnb64NeBESZlOZ72qpGLEz/wXM+oKGH+Z5gQ3vXWc3vX6gTwgMWQLRYaDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T13:21:26.036589Z"},"content_sha256":"5c2e606723869bdfbe23a681d414fbcae96f9f142b3369d068e61e85969a752e","schema_version":"1.0","event_id":"sha256:5c2e606723869bdfbe23a681d414fbcae96f9f142b3369d068e61e85969a752e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/64BRMQIDGYMP2QLYCL6JQAEIFV/bundle.json","state_url":"https://pith.science/pith/64BRMQIDGYMP2QLYCL6JQAEIFV/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/64BRMQIDGYMP2QLYCL6JQAEIFV/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":"2026-05-25T13:21:26Z","links":{"resolver":"https://pith.science/pith/64BRMQIDGYMP2QLYCL6JQAEIFV","bundle":"https://pith.science/pith/64BRMQIDGYMP2QLYCL6JQAEIFV/bundle.json","state":"https://pith.science/pith/64BRMQIDGYMP2QLYCL6JQAEIFV/state.json","well_known_bundle":"https://pith.science/.well-known/pith/64BRMQIDGYMP2QLYCL6JQAEIFV/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2008:64BRMQIDGYMP2QLYCL6JQAEIFV","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":"66edd01e8526cd90cba5fb24033cecf9db0674bf7bc2948926d7b48016dee87f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-11-13T07:01:09Z","title_canon_sha256":"f6c966de3611eb84645c06822c62349d841c5ac3f79295ab3a939ac0e36519fa"},"schema_version":"1.0","source":{"id":"0811.2041","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0811.2041","created_at":"2026-05-18T04:29:25Z"},{"alias_kind":"arxiv_version","alias_value":"0811.2041v1","created_at":"2026-05-18T04:29:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0811.2041","created_at":"2026-05-18T04:29:25Z"},{"alias_kind":"pith_short_12","alias_value":"64BRMQIDGYMP","created_at":"2026-05-18T12:25:56Z"},{"alias_kind":"pith_short_16","alias_value":"64BRMQIDGYMP2QLY","created_at":"2026-05-18T12:25:56Z"},{"alias_kind":"pith_short_8","alias_value":"64BRMQID","created_at":"2026-05-18T12:25:56Z"}],"graph_snapshots":[{"event_id":"sha256:5c2e606723869bdfbe23a681d414fbcae96f9f142b3369d068e61e85969a752e","target":"graph","created_at":"2026-05-18T04:29:25Z","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 present the results of Spectral Energy Distribution(SED) fitting analysis for Lyman Break Galaxies(LBGs) at z~5 in the GOODS-N and its flanking fields (the GOODS-FF). With the publicly available IRAC images in the GOODS-N and IRAC data in the GOODS-FF, we constructed the rest-frame UV to optical SEDs for a large sample (~100) of UV-selected galaxies at z~5. Comparing the observed SEDs with model SEDs generated with a population synthesis code, we derived a best-fit set of parameters (stellar mass, age, color excess, and star formation rate) for each of sample LBGs. The derived stellar masse","authors_text":"Ikuru Iwata, Kentaro Aoki, Kiyoto Yabe, Kouji Ohta, Marcin Sawicki, Masayuki Akiyama, Naoyuki Tamura","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-11-13T07:01:09Z","title":"The Stellar Populations of Lyman Break Galaxies at z~5"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0811.2041","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:a05a9b9424e599028fe3599da91722c4dcbadfa3cd21c10e0f442194d3b61464","target":"record","created_at":"2026-05-18T04:29:25Z","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":"66edd01e8526cd90cba5fb24033cecf9db0674bf7bc2948926d7b48016dee87f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-11-13T07:01:09Z","title_canon_sha256":"f6c966de3611eb84645c06822c62349d841c5ac3f79295ab3a939ac0e36519fa"},"schema_version":"1.0","source":{"id":"0811.2041","kind":"arxiv","version":1}},"canonical_sha256":"f7031641033618fd417812fc9800882d576f1185e3b06ce6ff42f5cd6f7b39a2","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f7031641033618fd417812fc9800882d576f1185e3b06ce6ff42f5cd6f7b39a2","first_computed_at":"2026-05-18T04:29:25.115211Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:29:25.115211Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"lAs5OA9sXmLqy/mU5ZWWs5ZVCPlPP8KNHJ4xtLT5ue/ChR1nrzvMLnEiRrN7fbjA0ReAbPM8ZwoyB3lEWf4hBA==","signature_status":"signed_v1","signed_at":"2026-05-18T04:29:25.115970Z","signed_message":"canonical_sha256_bytes"},"source_id":"0811.2041","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a05a9b9424e599028fe3599da91722c4dcbadfa3cd21c10e0f442194d3b61464","sha256:5c2e606723869bdfbe23a681d414fbcae96f9f142b3369d068e61e85969a752e"],"state_sha256":"ae573402d41c95a7b6b999f0ec026a3c556d54853ebd8ce75565eca8f9027ae8"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"TVzN8NSXduIrYMEPuyKb1ReulkmIUQuFMbH1lCDc5fwBlO+cX0vY0xWpxmuiLMtc+oeiUL/PgleGJ1Uw4U7jAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T13:21:26.040363Z","bundle_sha256":"86fb037f7534663b4172b894695decd1a2bb96ffd4a166a160323119b07e2776"}}