{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:4DX4DUYQNBD4P3JPMJMRU7IKSO","short_pith_number":"pith:4DX4DUYQ","canonical_record":{"source":{"id":"1102.5092","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-02-24T21:00:02Z","cross_cats_sorted":[],"title_canon_sha256":"df08ea2ebe8069286dbc7f1aaf5d35a147b7e84ea63dd3f977c5579fadcd594a","abstract_canon_sha256":"1ebfee721b067bf60e241d2f84290eeb956c2f6b01be81181c3aee633f6b03ea"},"schema_version":"1.0"},"canonical_sha256":"e0efc1d3106847c7ed2f62591a7d0a93a8b4e70bbe2f1c24276d69457a1d6ef5","source":{"kind":"arxiv","id":"1102.5092","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1102.5092","created_at":"2026-05-18T02:03:05Z"},{"alias_kind":"arxiv_version","alias_value":"1102.5092v2","created_at":"2026-05-18T02:03:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1102.5092","created_at":"2026-05-18T02:03:05Z"},{"alias_kind":"pith_short_12","alias_value":"4DX4DUYQNBD4","created_at":"2026-05-18T12:26:20Z"},{"alias_kind":"pith_short_16","alias_value":"4DX4DUYQNBD4P3JP","created_at":"2026-05-18T12:26:20Z"},{"alias_kind":"pith_short_8","alias_value":"4DX4DUYQ","created_at":"2026-05-18T12:26:20Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:4DX4DUYQNBD4P3JPMJMRU7IKSO","target":"record","payload":{"canonical_record":{"source":{"id":"1102.5092","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-02-24T21:00:02Z","cross_cats_sorted":[],"title_canon_sha256":"df08ea2ebe8069286dbc7f1aaf5d35a147b7e84ea63dd3f977c5579fadcd594a","abstract_canon_sha256":"1ebfee721b067bf60e241d2f84290eeb956c2f6b01be81181c3aee633f6b03ea"},"schema_version":"1.0"},"canonical_sha256":"e0efc1d3106847c7ed2f62591a7d0a93a8b4e70bbe2f1c24276d69457a1d6ef5","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:03:05.239488Z","signature_b64":"D37CuotXqzLlGU6s+69lnRXCIQlQG+oneJ37U/aEzZZdqwA+xT7vu7eF3ECgGB6VNsouRcHJ1WI+r9EdDEzQCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e0efc1d3106847c7ed2f62591a7d0a93a8b4e70bbe2f1c24276d69457a1d6ef5","last_reissued_at":"2026-05-18T02:03:05.238628Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:03:05.238628Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1102.5092","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":"2026-05-18T02:03:05Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"tsHvnB6KvC7Px7/SiQo6aJJ1cL0/DA5rx68X2wkt+xGSq5lIaEbU0jRLfQymHbiYeVO9hcOLlS5SBYWn/lOwBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T08:00:23.200614Z"},"content_sha256":"42b4240539a66287ada98029c94a6957917c7541af50331143837aa8814a55cd","schema_version":"1.0","event_id":"sha256:42b4240539a66287ada98029c94a6957917c7541af50331143837aa8814a55cd"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:4DX4DUYQNBD4P3JPMJMRU7IKSO","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Discovery of a possibly old galaxy at $z=6.027$, multiply imaged by the massive cluster Abell 383","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"2), Andrew K. Fiedler (6) ((1) CRAL/Lyon (2) Dark Cosmology Centre (3) LAM/OAMP (4) U.Hawaii (5) IoA, Cambdrige (6) Steward Observatory), Dan Stark (5), Eiichi Egami (6), Harald Ebeling (4), Jean-Paul Kneib (3), Johan Richard (1","submitted_at":"2011-02-24T21:00:02Z","abstract_excerpt":"We report the discovery of a unique $z=6.027$ galaxy, multiply imaged by the cluster Abell 383 and detected in new Hubble Space Telescope ACS and WFC3 imaging, as well as in Warm Spitzer observations. This galaxy was selected as a pair of i-dropouts; its suspected high redshift was confirmed by the measurement of a strong Lyman-alpha line in both images using Keck/DEIMOS. Combining Hubble and Spitzer photometry after correcting for contamination by line emission (estimated to be a small effect), we identify a strong Balmer break of 1.5 magnitudes. Taking into account the magnification factor o"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1102.5092","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":""},"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":"2026-05-18T02:03:05Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"AGItwpElYxhJrTv1pQJ7hNyt65n8F5l8sfDkNCA1Zc1K9j6nUEDA5wowVS6Wi+nALqpAj9fP53BaBluZhY8ZBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T08:00:23.201150Z"},"content_sha256":"3cda14b541c8be97ea546333e37d6cfb7591e36981d0c52bf4911b0bf40ebe13","schema_version":"1.0","event_id":"sha256:3cda14b541c8be97ea546333e37d6cfb7591e36981d0c52bf4911b0bf40ebe13"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/4DX4DUYQNBD4P3JPMJMRU7IKSO/bundle.json","state_url":"https://pith.science/pith/4DX4DUYQNBD4P3JPMJMRU7IKSO/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/4DX4DUYQNBD4P3JPMJMRU7IKSO/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":"2026-05-26T08:00:23Z","links":{"resolver":"https://pith.science/pith/4DX4DUYQNBD4P3JPMJMRU7IKSO","bundle":"https://pith.science/pith/4DX4DUYQNBD4P3JPMJMRU7IKSO/bundle.json","state":"https://pith.science/pith/4DX4DUYQNBD4P3JPMJMRU7IKSO/state.json","well_known_bundle":"https://pith.science/.well-known/pith/4DX4DUYQNBD4P3JPMJMRU7IKSO/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:4DX4DUYQNBD4P3JPMJMRU7IKSO","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":"1ebfee721b067bf60e241d2f84290eeb956c2f6b01be81181c3aee633f6b03ea","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-02-24T21:00:02Z","title_canon_sha256":"df08ea2ebe8069286dbc7f1aaf5d35a147b7e84ea63dd3f977c5579fadcd594a"},"schema_version":"1.0","source":{"id":"1102.5092","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1102.5092","created_at":"2026-05-18T02:03:05Z"},{"alias_kind":"arxiv_version","alias_value":"1102.5092v2","created_at":"2026-05-18T02:03:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1102.5092","created_at":"2026-05-18T02:03:05Z"},{"alias_kind":"pith_short_12","alias_value":"4DX4DUYQNBD4","created_at":"2026-05-18T12:26:20Z"},{"alias_kind":"pith_short_16","alias_value":"4DX4DUYQNBD4P3JP","created_at":"2026-05-18T12:26:20Z"},{"alias_kind":"pith_short_8","alias_value":"4DX4DUYQ","created_at":"2026-05-18T12:26:20Z"}],"graph_snapshots":[{"event_id":"sha256:3cda14b541c8be97ea546333e37d6cfb7591e36981d0c52bf4911b0bf40ebe13","target":"graph","created_at":"2026-05-18T02:03:05Z","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 report the discovery of a unique $z=6.027$ galaxy, multiply imaged by the cluster Abell 383 and detected in new Hubble Space Telescope ACS and WFC3 imaging, as well as in Warm Spitzer observations. This galaxy was selected as a pair of i-dropouts; its suspected high redshift was confirmed by the measurement of a strong Lyman-alpha line in both images using Keck/DEIMOS. Combining Hubble and Spitzer photometry after correcting for contamination by line emission (estimated to be a small effect), we identify a strong Balmer break of 1.5 magnitudes. Taking into account the magnification factor o","authors_text":"2), Andrew K. Fiedler (6) ((1) CRAL/Lyon (2) Dark Cosmology Centre (3) LAM/OAMP (4) U.Hawaii (5) IoA, Cambdrige (6) Steward Observatory), Dan Stark (5), Eiichi Egami (6), Harald Ebeling (4), Jean-Paul Kneib (3), Johan Richard (1","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-02-24T21:00:02Z","title":"Discovery of a possibly old galaxy at $z=6.027$, multiply imaged by the massive cluster Abell 383"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1102.5092","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":"sha256:42b4240539a66287ada98029c94a6957917c7541af50331143837aa8814a55cd","target":"record","created_at":"2026-05-18T02:03:05Z","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":"1ebfee721b067bf60e241d2f84290eeb956c2f6b01be81181c3aee633f6b03ea","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-02-24T21:00:02Z","title_canon_sha256":"df08ea2ebe8069286dbc7f1aaf5d35a147b7e84ea63dd3f977c5579fadcd594a"},"schema_version":"1.0","source":{"id":"1102.5092","kind":"arxiv","version":2}},"canonical_sha256":"e0efc1d3106847c7ed2f62591a7d0a93a8b4e70bbe2f1c24276d69457a1d6ef5","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e0efc1d3106847c7ed2f62591a7d0a93a8b4e70bbe2f1c24276d69457a1d6ef5","first_computed_at":"2026-05-18T02:03:05.238628Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:03:05.238628Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"D37CuotXqzLlGU6s+69lnRXCIQlQG+oneJ37U/aEzZZdqwA+xT7vu7eF3ECgGB6VNsouRcHJ1WI+r9EdDEzQCg==","signature_status":"signed_v1","signed_at":"2026-05-18T02:03:05.239488Z","signed_message":"canonical_sha256_bytes"},"source_id":"1102.5092","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:42b4240539a66287ada98029c94a6957917c7541af50331143837aa8814a55cd","sha256:3cda14b541c8be97ea546333e37d6cfb7591e36981d0c52bf4911b0bf40ebe13"],"state_sha256":"d14298c38ba0c2094aff3e0ec2633d72a1443a928cc87f681055b2efce350220"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zYfl0zEcCEE3uQoayihoL+wCEjZ/jESNYnAZoTFnM3RGRdZHT9HD+UvZ2zQCPTDM3n1SVqvJS6pz6X92+yNcAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T08:00:23.204410Z","bundle_sha256":"e5b976c14017cd44e34d6976778c8a71f796554badbb20ef35a6a4d4803e016d"}}