{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:NZPSUQAN3OH5VEZG2QDPNGIEZM","short_pith_number":"pith:NZPSUQAN","canonical_record":{"source":{"id":"1710.03773","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-10-10T18:16:07Z","cross_cats_sorted":[],"title_canon_sha256":"18d465effb3cb25c528402eac5dd65b4e1cd97074934daa5e44557298d5dae37","abstract_canon_sha256":"bdd6fd3c30e518d2b6931282153b792abf5a924065918bb9b42ea64088ee24ff"},"schema_version":"1.0"},"canonical_sha256":"6e5f2a400ddb8fda9326d406f69904cb39f2f136c08cbb847cdf6417361de2dd","source":{"kind":"arxiv","id":"1710.03773","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1710.03773","created_at":"2026-05-18T00:28:13Z"},{"alias_kind":"arxiv_version","alias_value":"1710.03773v1","created_at":"2026-05-18T00:28:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1710.03773","created_at":"2026-05-18T00:28:13Z"},{"alias_kind":"pith_short_12","alias_value":"NZPSUQAN3OH5","created_at":"2026-05-18T12:31:34Z"},{"alias_kind":"pith_short_16","alias_value":"NZPSUQAN3OH5VEZG","created_at":"2026-05-18T12:31:34Z"},{"alias_kind":"pith_short_8","alias_value":"NZPSUQAN","created_at":"2026-05-18T12:31:34Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:NZPSUQAN3OH5VEZG2QDPNGIEZM","target":"record","payload":{"canonical_record":{"source":{"id":"1710.03773","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-10-10T18:16:07Z","cross_cats_sorted":[],"title_canon_sha256":"18d465effb3cb25c528402eac5dd65b4e1cd97074934daa5e44557298d5dae37","abstract_canon_sha256":"bdd6fd3c30e518d2b6931282153b792abf5a924065918bb9b42ea64088ee24ff"},"schema_version":"1.0"},"canonical_sha256":"6e5f2a400ddb8fda9326d406f69904cb39f2f136c08cbb847cdf6417361de2dd","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:28:13.575934Z","signature_b64":"bsX8ykL/Spbg5JE05riZNsqHbwaxh2hbkOAk/0p5sc8ElIwN7O/QwUS2hPr+x2LORoOSS8F4c1PltmFELjSUAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6e5f2a400ddb8fda9326d406f69904cb39f2f136c08cbb847cdf6417361de2dd","last_reissued_at":"2026-05-18T00:28:13.575244Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:28:13.575244Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1710.03773","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":"2026-05-18T00:28:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"o9Xd8HpiInVBzxgv7uEwqEawV2o7AEtUTchEmfLndbw6Qcd6BVSEz0BvpA0L8nDBFSvdFCcU8lqUFg5aHpvvBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-29T15:29:30.574876Z"},"content_sha256":"855286320bea8371efee4958713de21f49dd90b6e97dfd37f8c9a2e24466bdca","schema_version":"1.0","event_id":"sha256:855286320bea8371efee4958713de21f49dd90b6e97dfd37f8c9a2e24466bdca"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:NZPSUQAN3OH5VEZG2QDPNGIEZM","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The MUSE Hubble Ultra Deep Field Survey: II. Spectroscopic redshifts and comparisons to color selections of high-redshift galaxies","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"(2) Leiden Observatory, 3), (3) Universidade do Porto, (4) Universite de Toulouse, (5) Universitat Gottingen, (6) ETH Zurich, (7) Leibniz-Institut fur Astrophysik Potsdam (AIP)), A. B. Drake (1), B. Clement (1), E. Ventou (4), F. Leclercq (1), G. Desprez (1), H. Finley (4), H. Inami (1), J. Brinchmann (2, J. Richard (1), J. Schaye (2), L. A. Boogaard (2), L. Michel-Dansac (1), L. Tresse (1), L. Wisotzki (7) ((1) Centre de Recherche Astrophysique de Lyon (CRAL), M. Akhlaghi (1), M. Maseda (2), M. Paalvast (2), N. Bouche (4), R. A. Marino (6), R. Bacon (1), S. Conseil (1), S. Hamer (1), T. Contini (4), T. Hashimoto (1), W. Kollatschny (5)","submitted_at":"2017-10-10T18:16:07Z","abstract_excerpt":"We have conducted a two-layered spectroscopic survey (1'x1' ultra deep and 3'x3' deep regions) in the Hubble Ultra Deep Field (HUDF) with the Multi Unit Spectroscopic Explorer (MUSE). The combination of a large field of view, high sensitivity, and wide wavelength coverage provides an order of magnitude improvement in spectroscopically confirmed redshifts in the HUDF; i.e., 1206 secure spectroscopic redshifts for HST continuum selected objects, which corresponds to 15% of the total (7904). The redshift distribution extends well beyond z>3 and to HST/F775W magnitudes as faint as ~30 mag (AB, 1-s"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1710.03773","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":"2026-05-18T00:28:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ocFP9ifyDaP/BdlvbwnyK7io+YVDiOPk6w2uBnYYr3y1kQVWb1QwjnYiEdBUXyFVwRhajk8gk0c5Dtd+dB4+Cg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-29T15:29:30.575550Z"},"content_sha256":"7eaecf8b74fb0edd57b2fce3ac8da8cb76a48d1e7237e1a645ad10d0da4dcf4c","schema_version":"1.0","event_id":"sha256:7eaecf8b74fb0edd57b2fce3ac8da8cb76a48d1e7237e1a645ad10d0da4dcf4c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/NZPSUQAN3OH5VEZG2QDPNGIEZM/bundle.json","state_url":"https://pith.science/pith/NZPSUQAN3OH5VEZG2QDPNGIEZM/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/NZPSUQAN3OH5VEZG2QDPNGIEZM/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":"2026-05-29T15:29:30Z","links":{"resolver":"https://pith.science/pith/NZPSUQAN3OH5VEZG2QDPNGIEZM","bundle":"https://pith.science/pith/NZPSUQAN3OH5VEZG2QDPNGIEZM/bundle.json","state":"https://pith.science/pith/NZPSUQAN3OH5VEZG2QDPNGIEZM/state.json","well_known_bundle":"https://pith.science/.well-known/pith/NZPSUQAN3OH5VEZG2QDPNGIEZM/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:NZPSUQAN3OH5VEZG2QDPNGIEZM","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":"bdd6fd3c30e518d2b6931282153b792abf5a924065918bb9b42ea64088ee24ff","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-10-10T18:16:07Z","title_canon_sha256":"18d465effb3cb25c528402eac5dd65b4e1cd97074934daa5e44557298d5dae37"},"schema_version":"1.0","source":{"id":"1710.03773","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1710.03773","created_at":"2026-05-18T00:28:13Z"},{"alias_kind":"arxiv_version","alias_value":"1710.03773v1","created_at":"2026-05-18T00:28:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1710.03773","created_at":"2026-05-18T00:28:13Z"},{"alias_kind":"pith_short_12","alias_value":"NZPSUQAN3OH5","created_at":"2026-05-18T12:31:34Z"},{"alias_kind":"pith_short_16","alias_value":"NZPSUQAN3OH5VEZG","created_at":"2026-05-18T12:31:34Z"},{"alias_kind":"pith_short_8","alias_value":"NZPSUQAN","created_at":"2026-05-18T12:31:34Z"}],"graph_snapshots":[{"event_id":"sha256:7eaecf8b74fb0edd57b2fce3ac8da8cb76a48d1e7237e1a645ad10d0da4dcf4c","target":"graph","created_at":"2026-05-18T00:28:13Z","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":"We have conducted a two-layered spectroscopic survey (1'x1' ultra deep and 3'x3' deep regions) in the Hubble Ultra Deep Field (HUDF) with the Multi Unit Spectroscopic Explorer (MUSE). The combination of a large field of view, high sensitivity, and wide wavelength coverage provides an order of magnitude improvement in spectroscopically confirmed redshifts in the HUDF; i.e., 1206 secure spectroscopic redshifts for HST continuum selected objects, which corresponds to 15% of the total (7904). The redshift distribution extends well beyond z>3 and to HST/F775W magnitudes as faint as ~30 mag (AB, 1-s","authors_text":"(2) Leiden Observatory, 3), (3) Universidade do Porto, (4) Universite de Toulouse, (5) Universitat Gottingen, (6) ETH Zurich, (7) Leibniz-Institut fur Astrophysik Potsdam (AIP)), A. B. Drake (1), B. Clement (1), E. Ventou (4), F. Leclercq (1), G. Desprez (1), H. Finley (4), H. Inami (1), J. Brinchmann (2, J. Richard (1), J. Schaye (2), L. A. Boogaard (2), L. Michel-Dansac (1), L. Tresse (1), L. Wisotzki (7) ((1) Centre de Recherche Astrophysique de Lyon (CRAL), M. Akhlaghi (1), M. Maseda (2), M. Paalvast (2), N. Bouche (4), R. A. Marino (6), R. Bacon (1), S. Conseil (1), S. Hamer (1), T. Contini (4), T. Hashimoto (1), W. Kollatschny (5)","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-10-10T18:16:07Z","title":"The MUSE Hubble Ultra Deep Field Survey: II. Spectroscopic redshifts and comparisons to color selections of high-redshift galaxies"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1710.03773","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":"sha256:855286320bea8371efee4958713de21f49dd90b6e97dfd37f8c9a2e24466bdca","target":"record","created_at":"2026-05-18T00:28:13Z","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":"bdd6fd3c30e518d2b6931282153b792abf5a924065918bb9b42ea64088ee24ff","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-10-10T18:16:07Z","title_canon_sha256":"18d465effb3cb25c528402eac5dd65b4e1cd97074934daa5e44557298d5dae37"},"schema_version":"1.0","source":{"id":"1710.03773","kind":"arxiv","version":1}},"canonical_sha256":"6e5f2a400ddb8fda9326d406f69904cb39f2f136c08cbb847cdf6417361de2dd","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6e5f2a400ddb8fda9326d406f69904cb39f2f136c08cbb847cdf6417361de2dd","first_computed_at":"2026-05-18T00:28:13.575244Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:28:13.575244Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"bsX8ykL/Spbg5JE05riZNsqHbwaxh2hbkOAk/0p5sc8ElIwN7O/QwUS2hPr+x2LORoOSS8F4c1PltmFELjSUAg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:28:13.575934Z","signed_message":"canonical_sha256_bytes"},"source_id":"1710.03773","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:855286320bea8371efee4958713de21f49dd90b6e97dfd37f8c9a2e24466bdca","sha256:7eaecf8b74fb0edd57b2fce3ac8da8cb76a48d1e7237e1a645ad10d0da4dcf4c"],"state_sha256":"f6dab01e20f64f870f7a35e86728d3ba96fe62f83c745ac1121ef69deb13e023"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"J4RmReGdgVEz/uM92OJKNRjaaF+g+Duw91HZmgW2TXo5vexomPMxNQE6XVlkuonMRH1E7nenJoTCH3pUCEKLCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-29T15:29:30.578864Z","bundle_sha256":"1b614034732cbe9a0695e4097770c5792b20696d740ca5ca0ab70df105f89d9e"}}