{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2007:TDWS7V5A2P6EBU2NYDZTISJWHW","short_pith_number":"pith:TDWS7V5A","canonical_record":{"source":{"id":"0708.0835","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2007-08-07T01:18:45Z","cross_cats_sorted":[],"title_canon_sha256":"dfa257e7717e9475b2b17137a85d3de580e564fc57b11f630a21ffe71eea2b33","abstract_canon_sha256":"68247b16251774eb82cceb0b12f6730b2b3f3fc1cf8d6378a8b6ac8e98e1969a"},"schema_version":"1.0"},"canonical_sha256":"98ed2fd7a0d3fc40d34dc0f33449363da1393ded1db52ebfb109f920251c1759","source":{"kind":"arxiv","id":"0708.0835","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0708.0835","created_at":"2026-07-04T17:05:04Z"},{"alias_kind":"arxiv_version","alias_value":"0708.0835v1","created_at":"2026-07-04T17:05:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0708.0835","created_at":"2026-07-04T17:05:04Z"},{"alias_kind":"pith_short_12","alias_value":"TDWS7V5A2P6E","created_at":"2026-07-04T17:05:04Z"},{"alias_kind":"pith_short_16","alias_value":"TDWS7V5A2P6EBU2N","created_at":"2026-07-04T17:05:04Z"},{"alias_kind":"pith_short_8","alias_value":"TDWS7V5A","created_at":"2026-07-04T17:05:04Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2007:TDWS7V5A2P6EBU2NYDZTISJWHW","target":"record","payload":{"canonical_record":{"source":{"id":"0708.0835","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2007-08-07T01:18:45Z","cross_cats_sorted":[],"title_canon_sha256":"dfa257e7717e9475b2b17137a85d3de580e564fc57b11f630a21ffe71eea2b33","abstract_canon_sha256":"68247b16251774eb82cceb0b12f6730b2b3f3fc1cf8d6378a8b6ac8e98e1969a"},"schema_version":"1.0"},"canonical_sha256":"98ed2fd7a0d3fc40d34dc0f33449363da1393ded1db52ebfb109f920251c1759","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T17:05:04.425048Z","signature_b64":"qxINWD2Oh916elD/tfJWDPvsMYMjj1KvynRll7VQx+LOKGeyMh3yMOj5x4BUOEInpYNeLsrNAjAtJpYc7C9IAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"98ed2fd7a0d3fc40d34dc0f33449363da1393ded1db52ebfb109f920251c1759","last_reissued_at":"2026-07-04T17:05:04.424649Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T17:05:04.424649Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0708.0835","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":"2026-07-04T17:05:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BxQmedo3Fidibua15Hm/zwrTidnFkVgwkmKKuwf7+L6lrfTB+L91pv8qTHKaG3KWV5JetNis6zK/kNltQT+wDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-21T10:36:01.946252Z"},"content_sha256":"c0ab508d37fadcaeeb5c1151b8b08632aafaf998ed763f4e46e17f87a314a886","schema_version":"1.0","event_id":"sha256:c0ab508d37fadcaeeb5c1151b8b08632aafaf998ed763f4e46e17f87a314a886"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2007:TDWS7V5A2P6EBU2NYDZTISJWHW","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Rest-Frame Ultraviolet to Near Infrared Observations of an Interacting Lyman Break Galaxy at z = 4.42","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"Alice E. Shapley (Princeton), Casey J. Papovich (Steward Observatory), Dusan Keres (Harvard/CfA), Giovanni G. Fazio, Haojin Yan (Carnegie Observatories), Jia-Sheng Huang, Joshua D. Younger, Kamson Lai, Lars Hernquist (Harvard/CfA), Lihwai Lin (UCO/Lick, Luc Simard (HIA/NRC), National Taiwan University), Philip F. Hopkins, Thomas J. Cox, Yi-Wen Cheng (National Central University)","submitted_at":"2007-08-07T01:18:45Z","abstract_excerpt":"We present the rest-frame ultraviolet through near infrared spectral energy distribution for an interacting Lyman break galaxy at a redshift z=4.42, the highest redshift merging system known with clearly resolved tidal features. The two objects in this system - HDF-G4 and its previously unidentified companion - are both B_{435} band dropouts, have similar V_{606}-i_{775} and i_{775}-z_{850} colors, and are separated by 1\", which at z=4.42 corresponds to 7 kpc projected nuclear separation; all indicative of an interacting system. Fits to stellar population models indicate a stellar mass of M_\\s"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0708.0835","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/0708.0835/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":"2026-07-04T17:05:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"13tk4PtkEk1g0Aa1cAdmY7AzKxuMLGB5gdr7zN0AJ4V2Yu7svaqMBSp7sYfsqT9glWulwnPNrO2T2QTbRgItDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-21T10:36:01.946639Z"},"content_sha256":"2540876565c611b310dca6ab8a5f24f4bd0523ef931b2609446545f0b07ff3c8","schema_version":"1.0","event_id":"sha256:2540876565c611b310dca6ab8a5f24f4bd0523ef931b2609446545f0b07ff3c8"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/TDWS7V5A2P6EBU2NYDZTISJWHW/bundle.json","state_url":"https://pith.science/pith/TDWS7V5A2P6EBU2NYDZTISJWHW/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/TDWS7V5A2P6EBU2NYDZTISJWHW/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":"2026-08-21T10:36:01Z","links":{"resolver":"https://pith.science/pith/TDWS7V5A2P6EBU2NYDZTISJWHW","bundle":"https://pith.science/pith/TDWS7V5A2P6EBU2NYDZTISJWHW/bundle.json","state":"https://pith.science/pith/TDWS7V5A2P6EBU2NYDZTISJWHW/state.json","well_known_bundle":"https://pith.science/.well-known/pith/TDWS7V5A2P6EBU2NYDZTISJWHW/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2007:TDWS7V5A2P6EBU2NYDZTISJWHW","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":"68247b16251774eb82cceb0b12f6730b2b3f3fc1cf8d6378a8b6ac8e98e1969a","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2007-08-07T01:18:45Z","title_canon_sha256":"dfa257e7717e9475b2b17137a85d3de580e564fc57b11f630a21ffe71eea2b33"},"schema_version":"1.0","source":{"id":"0708.0835","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0708.0835","created_at":"2026-07-04T17:05:04Z"},{"alias_kind":"arxiv_version","alias_value":"0708.0835v1","created_at":"2026-07-04T17:05:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0708.0835","created_at":"2026-07-04T17:05:04Z"},{"alias_kind":"pith_short_12","alias_value":"TDWS7V5A2P6E","created_at":"2026-07-04T17:05:04Z"},{"alias_kind":"pith_short_16","alias_value":"TDWS7V5A2P6EBU2N","created_at":"2026-07-04T17:05:04Z"},{"alias_kind":"pith_short_8","alias_value":"TDWS7V5A","created_at":"2026-07-04T17:05:04Z"}],"graph_snapshots":[{"event_id":"sha256:2540876565c611b310dca6ab8a5f24f4bd0523ef931b2609446545f0b07ff3c8","target":"graph","created_at":"2026-07-04T17:05:04Z","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/0708.0835/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We present the rest-frame ultraviolet through near infrared spectral energy distribution for an interacting Lyman break galaxy at a redshift z=4.42, the highest redshift merging system known with clearly resolved tidal features. The two objects in this system - HDF-G4 and its previously unidentified companion - are both B_{435} band dropouts, have similar V_{606}-i_{775} and i_{775}-z_{850} colors, and are separated by 1\", which at z=4.42 corresponds to 7 kpc projected nuclear separation; all indicative of an interacting system. Fits to stellar population models indicate a stellar mass of M_\\s","authors_text":"Alice E. Shapley (Princeton), Casey J. Papovich (Steward Observatory), Dusan Keres (Harvard/CfA), Giovanni G. Fazio, Haojin Yan (Carnegie Observatories), Jia-Sheng Huang, Joshua D. Younger, Kamson Lai, Lars Hernquist (Harvard/CfA), Lihwai Lin (UCO/Lick, Luc Simard (HIA/NRC), National Taiwan University), Philip F. Hopkins, Thomas J. Cox, Yi-Wen Cheng (National Central University)","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2007-08-07T01:18:45Z","title":"Rest-Frame Ultraviolet to Near Infrared Observations of an Interacting Lyman Break Galaxy at z = 4.42"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0708.0835","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:c0ab508d37fadcaeeb5c1151b8b08632aafaf998ed763f4e46e17f87a314a886","target":"record","created_at":"2026-07-04T17:05:04Z","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":"68247b16251774eb82cceb0b12f6730b2b3f3fc1cf8d6378a8b6ac8e98e1969a","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2007-08-07T01:18:45Z","title_canon_sha256":"dfa257e7717e9475b2b17137a85d3de580e564fc57b11f630a21ffe71eea2b33"},"schema_version":"1.0","source":{"id":"0708.0835","kind":"arxiv","version":1}},"canonical_sha256":"98ed2fd7a0d3fc40d34dc0f33449363da1393ded1db52ebfb109f920251c1759","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"98ed2fd7a0d3fc40d34dc0f33449363da1393ded1db52ebfb109f920251c1759","first_computed_at":"2026-07-04T17:05:04.424649Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T17:05:04.424649Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"qxINWD2Oh916elD/tfJWDPvsMYMjj1KvynRll7VQx+LOKGeyMh3yMOj5x4BUOEInpYNeLsrNAjAtJpYc7C9IAQ==","signature_status":"signed_v1","signed_at":"2026-07-04T17:05:04.425048Z","signed_message":"canonical_sha256_bytes"},"source_id":"0708.0835","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c0ab508d37fadcaeeb5c1151b8b08632aafaf998ed763f4e46e17f87a314a886","sha256:2540876565c611b310dca6ab8a5f24f4bd0523ef931b2609446545f0b07ff3c8"],"state_sha256":"7b5c8958c263a355fffa635d8d3a93575adc077a97764b95965ccf75be9714cb"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"YicERmkqqULOvaTInS4zCquZj7jeKaKwoAqkFNWpYwSkukn7XVFlT6UsyNs4CA8gdCbzS0hQWE7otuuk7qKzDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-21T10:36:01.949253Z","bundle_sha256":"2afb5880a3dfe3eaffe8e9b72a9f3ac57f93419c1bae7eaee487f9ed3cae680e"}}