{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:CPD4CAUDHFO6VEQB265U6PQQTX","short_pith_number":"pith:CPD4CAUD","canonical_record":{"source":{"id":"1802.00455","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-02-01T19:00:14Z","cross_cats_sorted":[],"title_canon_sha256":"db78bf191010de6f1262e16369186e5c03d2987df313320c629b98c945257bba","abstract_canon_sha256":"17a4c196ded89eef5f33ee4f21900c50a702d11047f63f98561f52b2e5235fcf"},"schema_version":"1.0"},"canonical_sha256":"13c7c10283395dea9201d7bb4f3e109dc4271e6e6df971a126efaa15250ad534","source":{"kind":"arxiv","id":"1802.00455","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1802.00455","created_at":"2026-05-18T00:22:54Z"},{"alias_kind":"arxiv_version","alias_value":"1802.00455v1","created_at":"2026-05-18T00:22:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1802.00455","created_at":"2026-05-18T00:22:54Z"},{"alias_kind":"pith_short_12","alias_value":"CPD4CAUDHFO6","created_at":"2026-05-18T12:32:16Z"},{"alias_kind":"pith_short_16","alias_value":"CPD4CAUDHFO6VEQB","created_at":"2026-05-18T12:32:16Z"},{"alias_kind":"pith_short_8","alias_value":"CPD4CAUD","created_at":"2026-05-18T12:32:16Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:CPD4CAUDHFO6VEQB265U6PQQTX","target":"record","payload":{"canonical_record":{"source":{"id":"1802.00455","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-02-01T19:00:14Z","cross_cats_sorted":[],"title_canon_sha256":"db78bf191010de6f1262e16369186e5c03d2987df313320c629b98c945257bba","abstract_canon_sha256":"17a4c196ded89eef5f33ee4f21900c50a702d11047f63f98561f52b2e5235fcf"},"schema_version":"1.0"},"canonical_sha256":"13c7c10283395dea9201d7bb4f3e109dc4271e6e6df971a126efaa15250ad534","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:22:54.604261Z","signature_b64":"1a1xPxdZlHHZr78o5rFPgJl91WbxWGSrlrz97rZLNvpZe4Aztk2ux9Dglg/xEqiYLkL9VPhRDLTLO2nTMR+3BQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"13c7c10283395dea9201d7bb4f3e109dc4271e6e6df971a126efaa15250ad534","last_reissued_at":"2026-05-18T00:22:54.603776Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:22:54.603776Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1802.00455","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":"2026-05-18T00:22:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"x7T/ckx9twoSeae/EX9qs3U9Fjw2I75R4wSH3AGOq6hye7SkyOQpfO0KI6y8jBGbnYT43yq1xpDDgHPEoIlkBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T19:05:52.247030Z"},"content_sha256":"0701bb05cee6e170632be834a7b7bd15cb0217f0ad90ac38c2fbb58ef45aeb74","schema_version":"1.0","event_id":"sha256:0701bb05cee6e170632be834a7b7bd15cb0217f0ad90ac38c2fbb58ef45aeb74"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:CPD4CAUDHFO6VEQB265U6PQQTX","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Mapping UV Properties Throughout the Cosmic Horseshoe: Lessons from VLT-MUSE","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Bethan L. James, Daniel P. Stark, Matt Auger, Max Pettini, Stefano Carniani, Vasily Belokurov","submitted_at":"2018-02-01T19:00:14Z","abstract_excerpt":"We present the first spatially-resolved rest-frame UV study of the gravitationally lensed galaxy, the 'Cosmic Horseshoe' (J1148+1930) at z=2.38. Our gravitational lens model shows that the system is made up of four star-forming regions, each ~4-8 kpc^2 in size, from which we extract four spatially exclusive regional spectra. We study the interstellar and wind absorption lines, along with CIII] doublet emission lines, in each region to investigate any variation in emission/absorption line properties. The mapped CIII] emission shows distinct kinematical structure, with velocity offsets of ~+/-50"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1802.00455","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":"2026-05-18T00:22:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"XTa2TkpY7v7jldG3zhBZCo6guw1Bp7YKnDrwkji/GDASV/6PNdqBEM29+Xw6OGxOt+syn821ZfaNYC6njAMDBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T19:05:52.247393Z"},"content_sha256":"fc4036037296edf1c3f5935049289be9d4693727aa94c30fb81e41ed6a13cba5","schema_version":"1.0","event_id":"sha256:fc4036037296edf1c3f5935049289be9d4693727aa94c30fb81e41ed6a13cba5"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/CPD4CAUDHFO6VEQB265U6PQQTX/bundle.json","state_url":"https://pith.science/pith/CPD4CAUDHFO6VEQB265U6PQQTX/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/CPD4CAUDHFO6VEQB265U6PQQTX/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":"2026-06-05T19:05:52Z","links":{"resolver":"https://pith.science/pith/CPD4CAUDHFO6VEQB265U6PQQTX","bundle":"https://pith.science/pith/CPD4CAUDHFO6VEQB265U6PQQTX/bundle.json","state":"https://pith.science/pith/CPD4CAUDHFO6VEQB265U6PQQTX/state.json","well_known_bundle":"https://pith.science/.well-known/pith/CPD4CAUDHFO6VEQB265U6PQQTX/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:CPD4CAUDHFO6VEQB265U6PQQTX","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":"17a4c196ded89eef5f33ee4f21900c50a702d11047f63f98561f52b2e5235fcf","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-02-01T19:00:14Z","title_canon_sha256":"db78bf191010de6f1262e16369186e5c03d2987df313320c629b98c945257bba"},"schema_version":"1.0","source":{"id":"1802.00455","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1802.00455","created_at":"2026-05-18T00:22:54Z"},{"alias_kind":"arxiv_version","alias_value":"1802.00455v1","created_at":"2026-05-18T00:22:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1802.00455","created_at":"2026-05-18T00:22:54Z"},{"alias_kind":"pith_short_12","alias_value":"CPD4CAUDHFO6","created_at":"2026-05-18T12:32:16Z"},{"alias_kind":"pith_short_16","alias_value":"CPD4CAUDHFO6VEQB","created_at":"2026-05-18T12:32:16Z"},{"alias_kind":"pith_short_8","alias_value":"CPD4CAUD","created_at":"2026-05-18T12:32:16Z"}],"graph_snapshots":[{"event_id":"sha256:fc4036037296edf1c3f5935049289be9d4693727aa94c30fb81e41ed6a13cba5","target":"graph","created_at":"2026-05-18T00:22:54Z","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 first spatially-resolved rest-frame UV study of the gravitationally lensed galaxy, the 'Cosmic Horseshoe' (J1148+1930) at z=2.38. Our gravitational lens model shows that the system is made up of four star-forming regions, each ~4-8 kpc^2 in size, from which we extract four spatially exclusive regional spectra. We study the interstellar and wind absorption lines, along with CIII] doublet emission lines, in each region to investigate any variation in emission/absorption line properties. The mapped CIII] emission shows distinct kinematical structure, with velocity offsets of ~+/-50","authors_text":"Bethan L. James, Daniel P. Stark, Matt Auger, Max Pettini, Stefano Carniani, Vasily Belokurov","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-02-01T19:00:14Z","title":"Mapping UV Properties Throughout the Cosmic Horseshoe: Lessons from VLT-MUSE"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1802.00455","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":"sha256:0701bb05cee6e170632be834a7b7bd15cb0217f0ad90ac38c2fbb58ef45aeb74","target":"record","created_at":"2026-05-18T00:22:54Z","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":"17a4c196ded89eef5f33ee4f21900c50a702d11047f63f98561f52b2e5235fcf","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-02-01T19:00:14Z","title_canon_sha256":"db78bf191010de6f1262e16369186e5c03d2987df313320c629b98c945257bba"},"schema_version":"1.0","source":{"id":"1802.00455","kind":"arxiv","version":1}},"canonical_sha256":"13c7c10283395dea9201d7bb4f3e109dc4271e6e6df971a126efaa15250ad534","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"13c7c10283395dea9201d7bb4f3e109dc4271e6e6df971a126efaa15250ad534","first_computed_at":"2026-05-18T00:22:54.603776Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:22:54.603776Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"1a1xPxdZlHHZr78o5rFPgJl91WbxWGSrlrz97rZLNvpZe4Aztk2ux9Dglg/xEqiYLkL9VPhRDLTLO2nTMR+3BQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:22:54.604261Z","signed_message":"canonical_sha256_bytes"},"source_id":"1802.00455","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0701bb05cee6e170632be834a7b7bd15cb0217f0ad90ac38c2fbb58ef45aeb74","sha256:fc4036037296edf1c3f5935049289be9d4693727aa94c30fb81e41ed6a13cba5"],"state_sha256":"4a3bb0ce6d0e66e71cefa2c59a3d2b9953b35bf3fe1250056f6748dd18cb9299"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RxXzoSLJ14ZX8by039zLeH+Q1CFh+i//p3Ltw5gD+tD8JaAMmxpuWuJO3yxbVjOKVOd1SoQVGVbtcwDuwUfEDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-05T19:05:52.249429Z","bundle_sha256":"177893e417591a94092c45c5c85291616e1dedbed012ec7981b33bd0347d8aeb"}}