{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:UYBYH4OVGB4PKL6APSIWZOXCDJ","short_pith_number":"pith:UYBYH4OV","canonical_record":{"source":{"id":"1406.6118","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2014-06-24T01:53:54Z","cross_cats_sorted":[],"title_canon_sha256":"c5eaa3e22af0a5846d52d4924357282b15870ffede0b76bfc0adcaea3610e731","abstract_canon_sha256":"2313a6f9a35b0d22b15327e9a09a258d43128214114859573da25ebc5725839d"},"schema_version":"1.0"},"canonical_sha256":"a60383f1d53078f52fc07c916cbae21a7902d9c4e8486472547fd40b78796826","source":{"kind":"arxiv","id":"1406.6118","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1406.6118","created_at":"2026-05-18T01:42:51Z"},{"alias_kind":"arxiv_version","alias_value":"1406.6118v1","created_at":"2026-05-18T01:42:51Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1406.6118","created_at":"2026-05-18T01:42:51Z"},{"alias_kind":"pith_short_12","alias_value":"UYBYH4OVGB4P","created_at":"2026-05-18T12:28:52Z"},{"alias_kind":"pith_short_16","alias_value":"UYBYH4OVGB4PKL6A","created_at":"2026-05-18T12:28:52Z"},{"alias_kind":"pith_short_8","alias_value":"UYBYH4OV","created_at":"2026-05-18T12:28:52Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:UYBYH4OVGB4PKL6APSIWZOXCDJ","target":"record","payload":{"canonical_record":{"source":{"id":"1406.6118","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2014-06-24T01:53:54Z","cross_cats_sorted":[],"title_canon_sha256":"c5eaa3e22af0a5846d52d4924357282b15870ffede0b76bfc0adcaea3610e731","abstract_canon_sha256":"2313a6f9a35b0d22b15327e9a09a258d43128214114859573da25ebc5725839d"},"schema_version":"1.0"},"canonical_sha256":"a60383f1d53078f52fc07c916cbae21a7902d9c4e8486472547fd40b78796826","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:42:51.175359Z","signature_b64":"lTESPoKC0kMsX7iGDKKP9FjXHBc5riBcsy3j2bFgULJq55jUZ6NvLjNFujtbGvxhbfhvYm+2hh0c8cWgADfxAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a60383f1d53078f52fc07c916cbae21a7902d9c4e8486472547fd40b78796826","last_reissued_at":"2026-05-18T01:42:51.174596Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:42:51.174596Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1406.6118","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":"2026-05-18T01:42:51Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"E7s+fvlrvE+ifqaDEBlVXLKJJrtLPmUWh2hWobageLT4C6QRCCPm9NzHI16tog7BRC1oFGHiSOZPwCrsFWUCDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-29T22:53:46.109128Z"},"content_sha256":"e0f3c28e14437da0d4ae7d4feae7752f81008c97c41ce892826ef56be113acfb","schema_version":"1.0","event_id":"sha256:e0f3c28e14437da0d4ae7d4feae7752f81008c97c41ce892826ef56be113acfb"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:UYBYH4OVGB4PKL6APSIWZOXCDJ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Integral Field spectroscopy of two HI rich E+A galaxies","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Elaine Sadler, Harald Kuntschner, Martin Zwaan, Matt Owers, Michael Pracy, Scott Croom, Warrick Couch","submitted_at":"2014-06-24T01:53:54Z","abstract_excerpt":"Approximately half of the nearby E+A galaxies followed up with 21-cm observations have detectable HI emission. The optical spectra of these galaxies show strong post-starburst stellar populations but no optical emission lines implying star-formation is not ongoing despite the presence of significant gas reservoirs. We have obtained integral field spectroscopic follow up observations of the two brightest, and nearest, of the six E+A galaxies with HI 21-cm emission in the recent sample of Zwaan et al. (2013). In the central regions of both galaxies the observations are consistent with a post-sta"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1406.6118","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":"2026-05-18T01:42:51Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"F12tnItjlvPcbPVIl0ZUge45l4hrVobwPJnjntM31eehxWzPsA4q9nsNm9oYCJpoVuv2JXxB5yCVDTQ8X/BVDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-29T22:53:46.109826Z"},"content_sha256":"89386428cf46010eb51a68f05d85ba0b90d89577464911489360129c6f4b3789","schema_version":"1.0","event_id":"sha256:89386428cf46010eb51a68f05d85ba0b90d89577464911489360129c6f4b3789"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/UYBYH4OVGB4PKL6APSIWZOXCDJ/bundle.json","state_url":"https://pith.science/pith/UYBYH4OVGB4PKL6APSIWZOXCDJ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/UYBYH4OVGB4PKL6APSIWZOXCDJ/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":"2026-05-29T22:53:46Z","links":{"resolver":"https://pith.science/pith/UYBYH4OVGB4PKL6APSIWZOXCDJ","bundle":"https://pith.science/pith/UYBYH4OVGB4PKL6APSIWZOXCDJ/bundle.json","state":"https://pith.science/pith/UYBYH4OVGB4PKL6APSIWZOXCDJ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/UYBYH4OVGB4PKL6APSIWZOXCDJ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:UYBYH4OVGB4PKL6APSIWZOXCDJ","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":"2313a6f9a35b0d22b15327e9a09a258d43128214114859573da25ebc5725839d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2014-06-24T01:53:54Z","title_canon_sha256":"c5eaa3e22af0a5846d52d4924357282b15870ffede0b76bfc0adcaea3610e731"},"schema_version":"1.0","source":{"id":"1406.6118","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1406.6118","created_at":"2026-05-18T01:42:51Z"},{"alias_kind":"arxiv_version","alias_value":"1406.6118v1","created_at":"2026-05-18T01:42:51Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1406.6118","created_at":"2026-05-18T01:42:51Z"},{"alias_kind":"pith_short_12","alias_value":"UYBYH4OVGB4P","created_at":"2026-05-18T12:28:52Z"},{"alias_kind":"pith_short_16","alias_value":"UYBYH4OVGB4PKL6A","created_at":"2026-05-18T12:28:52Z"},{"alias_kind":"pith_short_8","alias_value":"UYBYH4OV","created_at":"2026-05-18T12:28:52Z"}],"graph_snapshots":[{"event_id":"sha256:89386428cf46010eb51a68f05d85ba0b90d89577464911489360129c6f4b3789","target":"graph","created_at":"2026-05-18T01:42:51Z","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":"Approximately half of the nearby E+A galaxies followed up with 21-cm observations have detectable HI emission. The optical spectra of these galaxies show strong post-starburst stellar populations but no optical emission lines implying star-formation is not ongoing despite the presence of significant gas reservoirs. We have obtained integral field spectroscopic follow up observations of the two brightest, and nearest, of the six E+A galaxies with HI 21-cm emission in the recent sample of Zwaan et al. (2013). In the central regions of both galaxies the observations are consistent with a post-sta","authors_text":"Elaine Sadler, Harald Kuntschner, Martin Zwaan, Matt Owers, Michael Pracy, Scott Croom, Warrick Couch","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2014-06-24T01:53:54Z","title":"Integral Field spectroscopy of two HI rich E+A galaxies"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1406.6118","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:e0f3c28e14437da0d4ae7d4feae7752f81008c97c41ce892826ef56be113acfb","target":"record","created_at":"2026-05-18T01:42:51Z","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":"2313a6f9a35b0d22b15327e9a09a258d43128214114859573da25ebc5725839d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2014-06-24T01:53:54Z","title_canon_sha256":"c5eaa3e22af0a5846d52d4924357282b15870ffede0b76bfc0adcaea3610e731"},"schema_version":"1.0","source":{"id":"1406.6118","kind":"arxiv","version":1}},"canonical_sha256":"a60383f1d53078f52fc07c916cbae21a7902d9c4e8486472547fd40b78796826","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a60383f1d53078f52fc07c916cbae21a7902d9c4e8486472547fd40b78796826","first_computed_at":"2026-05-18T01:42:51.174596Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:42:51.174596Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"lTESPoKC0kMsX7iGDKKP9FjXHBc5riBcsy3j2bFgULJq55jUZ6NvLjNFujtbGvxhbfhvYm+2hh0c8cWgADfxAA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:42:51.175359Z","signed_message":"canonical_sha256_bytes"},"source_id":"1406.6118","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e0f3c28e14437da0d4ae7d4feae7752f81008c97c41ce892826ef56be113acfb","sha256:89386428cf46010eb51a68f05d85ba0b90d89577464911489360129c6f4b3789"],"state_sha256":"04ac475b8d84fc0c64ac3760f8a3d1e46af6dd23ded99f5a39b8f78f2147bcac"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Tp/eMMC7lsCQnO89QrCGUEXxnLM/c8DgCCEn/RqgC+d4g5tPO1bCrneRFTHB6jHC39vzoFgfJk8UJ/8sJByQAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-29T22:53:46.113332Z","bundle_sha256":"23dd47df27332bca6bdc3a0a9d994d0a727a074aead23e97e398d5fade4f2d5e"}}