{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:3ZI4XTUABX53FDCIDGEFYOCOOJ","short_pith_number":"pith:3ZI4XTUA","canonical_record":{"source":{"id":"1210.4928","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-10-17T20:00:03Z","cross_cats_sorted":[],"title_canon_sha256":"b667af190ba627401e33aab1b0726a26f4199b27a2c83b40e365411ac53bc3ee","abstract_canon_sha256":"9a51442a62395694e7655c0be7ba9955096a5690f5748b4bec166fff7fbd1888"},"schema_version":"1.0"},"canonical_sha256":"de51cbce800dfbb28c4819885c384e72631da68f52e5fa5c81b0ece21fd5176c","source":{"kind":"arxiv","id":"1210.4928","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1210.4928","created_at":"2026-05-18T01:53:47Z"},{"alias_kind":"arxiv_version","alias_value":"1210.4928v2","created_at":"2026-05-18T01:53:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1210.4928","created_at":"2026-05-18T01:53:47Z"},{"alias_kind":"pith_short_12","alias_value":"3ZI4XTUABX53","created_at":"2026-05-18T12:26:53Z"},{"alias_kind":"pith_short_16","alias_value":"3ZI4XTUABX53FDCI","created_at":"2026-05-18T12:26:53Z"},{"alias_kind":"pith_short_8","alias_value":"3ZI4XTUA","created_at":"2026-05-18T12:26:53Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:3ZI4XTUABX53FDCIDGEFYOCOOJ","target":"record","payload":{"canonical_record":{"source":{"id":"1210.4928","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-10-17T20:00:03Z","cross_cats_sorted":[],"title_canon_sha256":"b667af190ba627401e33aab1b0726a26f4199b27a2c83b40e365411ac53bc3ee","abstract_canon_sha256":"9a51442a62395694e7655c0be7ba9955096a5690f5748b4bec166fff7fbd1888"},"schema_version":"1.0"},"canonical_sha256":"de51cbce800dfbb28c4819885c384e72631da68f52e5fa5c81b0ece21fd5176c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:53:47.039136Z","signature_b64":"1q1+QmNwHKzOB0xzMfAnC1KtUpKmaATZ96lLrmqT+L0m0M5EVUQ6hoba0A5kLgXXX/a7mwXgZHcxHnCAEFnHBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"de51cbce800dfbb28c4819885c384e72631da68f52e5fa5c81b0ece21fd5176c","last_reissued_at":"2026-05-18T01:53:47.038589Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:53:47.038589Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1210.4928","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":"2026-05-18T01:53:47Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VTHGrDOFZWlzugq24vjdZNK4I/YARxXrhnJm3jkPb+EpiaTN6msptUIvwDf7u6d6xLdKcTJF1+NxvgmSB64PDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T03:55:42.694253Z"},"content_sha256":"7d89f4465e455fd0a7d21536258ab30a5e6e3f1f578cf05a0d4ce85af82d0d38","schema_version":"1.0","event_id":"sha256:7d89f4465e455fd0a7d21536258ab30a5e6e3f1f578cf05a0d4ce85af82d0d38"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:3ZI4XTUABX53FDCIDGEFYOCOOJ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A Redshift Survey of Herschel Far-Infrared Selected Starbursts and Implications for Obscured Star Formation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"10), (10) ESAC, (11) Cambridge, 12), (12) Dalhousie, (13) Imperial, (14) Colorado, (15) Nottingham, (16) UCI, (17) Virginia Tech, (18) ESO, (19) UKATC, 20), (20) Edinburgh, 21), (21) Oxford, (22) Sussex, (23) MSSL, (24) Bologna, 25), (25) RAL, 26), (26) NASA Ames, 27), (27) CSIRO), (2) MPE, (3) Saclay, 4), (4) IAS, 5), (5) Caltech, 6), (6) JPL, 7), (7) UMass, (8) Marseille, (9) UBC, A. Conley (14), A. Cooray (16, B. Magnelli (2), C. Bridge (5), C.J. Conselice (15), C.M. Casey (1), D.B. Sanders (1), D. Burgarella (8), D. Farrah (17), D.L. Clements (13), D. Lutz (2), D. Rigopoulou (21, D. Scott (9), E. Chapin (9, E. Hatziminaoglou (18), E. Le Floc'h (3), F. Pozzi (24), G. Magdis (3, I.G. Roseboom (22, I. Valtchanov (10), J. Bock (5, J. Budynkiewicz (1, J.D. Vieira (5), J. Wardlow (16) ((1) Hawaii, L. Riguccini (3, M. B\\'ethermin (3, M.J. Page (23), M. Viero (5), N. Seymour (23, R.J. Ivison (19, S. Berta (2), S.C. Chapman (11, S.J. Oliver (22)","submitted_at":"2012-10-17T20:00:03Z","abstract_excerpt":"We present Keck spectroscopic observations and redshifts for a sample of 767 Herschel-SPIRE selected galaxies (HSGs) at 250, 350, and 500um, taken with the Keck I Low Resolution Imaging Spectrometer (LRIS) and the Keck II DEep Imaging Multi-Object Spectrograph (DEIMOS). The redshift distribution of these SPIRE sources from the Herschel Multitiered Extragalactic Survey (HerMES) peaks at z=0.85, with 731 sources at z<2 and a tail of sources out to z~5. We measure more significant disagreement between photometric and spectroscopic redshifts (<delta_z>/(1+z)>=0.29) than is seen in non-infrared sel"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1210.4928","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":"2026-05-18T01:53:47Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"F6IYxeDhmtuqrpPph1aW/3IKg2rsuG/tdqN81x7XT9ZPLZfmpyVlyIhET4ckZWHsOb4q/WU2DSXk7DCwSWr4DA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T03:55:42.694640Z"},"content_sha256":"fb8e16c5a8608cb5e5c2fa4340d0f340b1336da332cd8434800b9cda15781c48","schema_version":"1.0","event_id":"sha256:fb8e16c5a8608cb5e5c2fa4340d0f340b1336da332cd8434800b9cda15781c48"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/3ZI4XTUABX53FDCIDGEFYOCOOJ/bundle.json","state_url":"https://pith.science/pith/3ZI4XTUABX53FDCIDGEFYOCOOJ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/3ZI4XTUABX53FDCIDGEFYOCOOJ/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":"2026-06-04T03:55:42Z","links":{"resolver":"https://pith.science/pith/3ZI4XTUABX53FDCIDGEFYOCOOJ","bundle":"https://pith.science/pith/3ZI4XTUABX53FDCIDGEFYOCOOJ/bundle.json","state":"https://pith.science/pith/3ZI4XTUABX53FDCIDGEFYOCOOJ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/3ZI4XTUABX53FDCIDGEFYOCOOJ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:3ZI4XTUABX53FDCIDGEFYOCOOJ","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":"9a51442a62395694e7655c0be7ba9955096a5690f5748b4bec166fff7fbd1888","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-10-17T20:00:03Z","title_canon_sha256":"b667af190ba627401e33aab1b0726a26f4199b27a2c83b40e365411ac53bc3ee"},"schema_version":"1.0","source":{"id":"1210.4928","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1210.4928","created_at":"2026-05-18T01:53:47Z"},{"alias_kind":"arxiv_version","alias_value":"1210.4928v2","created_at":"2026-05-18T01:53:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1210.4928","created_at":"2026-05-18T01:53:47Z"},{"alias_kind":"pith_short_12","alias_value":"3ZI4XTUABX53","created_at":"2026-05-18T12:26:53Z"},{"alias_kind":"pith_short_16","alias_value":"3ZI4XTUABX53FDCI","created_at":"2026-05-18T12:26:53Z"},{"alias_kind":"pith_short_8","alias_value":"3ZI4XTUA","created_at":"2026-05-18T12:26:53Z"}],"graph_snapshots":[{"event_id":"sha256:fb8e16c5a8608cb5e5c2fa4340d0f340b1336da332cd8434800b9cda15781c48","target":"graph","created_at":"2026-05-18T01:53:47Z","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 Keck spectroscopic observations and redshifts for a sample of 767 Herschel-SPIRE selected galaxies (HSGs) at 250, 350, and 500um, taken with the Keck I Low Resolution Imaging Spectrometer (LRIS) and the Keck II DEep Imaging Multi-Object Spectrograph (DEIMOS). The redshift distribution of these SPIRE sources from the Herschel Multitiered Extragalactic Survey (HerMES) peaks at z=0.85, with 731 sources at z<2 and a tail of sources out to z~5. We measure more significant disagreement between photometric and spectroscopic redshifts (<delta_z>/(1+z)>=0.29) than is seen in non-infrared sel","authors_text":"10), (10) ESAC, (11) Cambridge, 12), (12) Dalhousie, (13) Imperial, (14) Colorado, (15) Nottingham, (16) UCI, (17) Virginia Tech, (18) ESO, (19) UKATC, 20), (20) Edinburgh, 21), (21) Oxford, (22) Sussex, (23) MSSL, (24) Bologna, 25), (25) RAL, 26), (26) NASA Ames, 27), (27) CSIRO), (2) MPE, (3) Saclay, 4), (4) IAS, 5), (5) Caltech, 6), (6) JPL, 7), (7) UMass, (8) Marseille, (9) UBC, A. Conley (14), A. Cooray (16, B. Magnelli (2), C. Bridge (5), C.J. Conselice (15), C.M. Casey (1), D.B. Sanders (1), D. Burgarella (8), D. Farrah (17), D.L. Clements (13), D. Lutz (2), D. Rigopoulou (21, D. Scott (9), E. Chapin (9, E. Hatziminaoglou (18), E. Le Floc'h (3), F. Pozzi (24), G. Magdis (3, I.G. Roseboom (22, I. Valtchanov (10), J. Bock (5, J. Budynkiewicz (1, J.D. Vieira (5), J. Wardlow (16) ((1) Hawaii, L. Riguccini (3, M. B\\'ethermin (3, M.J. Page (23), M. Viero (5), N. Seymour (23, R.J. Ivison (19, S. Berta (2), S.C. Chapman (11, S.J. Oliver (22)","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-10-17T20:00:03Z","title":"A Redshift Survey of Herschel Far-Infrared Selected Starbursts and Implications for Obscured Star Formation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1210.4928","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":"sha256:7d89f4465e455fd0a7d21536258ab30a5e6e3f1f578cf05a0d4ce85af82d0d38","target":"record","created_at":"2026-05-18T01:53:47Z","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":"9a51442a62395694e7655c0be7ba9955096a5690f5748b4bec166fff7fbd1888","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-10-17T20:00:03Z","title_canon_sha256":"b667af190ba627401e33aab1b0726a26f4199b27a2c83b40e365411ac53bc3ee"},"schema_version":"1.0","source":{"id":"1210.4928","kind":"arxiv","version":2}},"canonical_sha256":"de51cbce800dfbb28c4819885c384e72631da68f52e5fa5c81b0ece21fd5176c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"de51cbce800dfbb28c4819885c384e72631da68f52e5fa5c81b0ece21fd5176c","first_computed_at":"2026-05-18T01:53:47.038589Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:53:47.038589Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"1q1+QmNwHKzOB0xzMfAnC1KtUpKmaATZ96lLrmqT+L0m0M5EVUQ6hoba0A5kLgXXX/a7mwXgZHcxHnCAEFnHBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:53:47.039136Z","signed_message":"canonical_sha256_bytes"},"source_id":"1210.4928","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7d89f4465e455fd0a7d21536258ab30a5e6e3f1f578cf05a0d4ce85af82d0d38","sha256:fb8e16c5a8608cb5e5c2fa4340d0f340b1336da332cd8434800b9cda15781c48"],"state_sha256":"9071ede254852e50c5edbcd9c97f79ccdd43d3c08b118bf4b3383df4a146d633"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gW8urZEypLYlGw34HKpwx1DvTyaLsnpxmUcdca/HjO6Mq8FIzYY2Ms418iPZYDBJypWu5KXqyQJfRKT0iRuSDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-04T03:55:42.698422Z","bundle_sha256":"3ce5e037ef58340b4acaa5e09a130e97bcd9323dda7d5237c89f49e78084e451"}}