{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:FOYLAOEEMLAPNGAPW6GCPWHR3Z","short_pith_number":"pith:FOYLAOEE","canonical_record":{"source":{"id":"1903.02024","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-03-05T19:32:16Z","cross_cats_sorted":[],"title_canon_sha256":"09c48fcf36c6f375fe6e15774974a668a78e9cd0e5e09971f3290e189ed0df8a","abstract_canon_sha256":"e170c1931bdfe6b4cbf05c1d259ba26af7a78e0bc3f69832fd50909baaa34e86"},"schema_version":"1.0"},"canonical_sha256":"2bb0b0388462c0f6980fb78c27d8f1de58e4eed5068cef3d2f1bc0cc542032b2","source":{"kind":"arxiv","id":"1903.02024","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1903.02024","created_at":"2026-05-17T23:51:56Z"},{"alias_kind":"arxiv_version","alias_value":"1903.02024v1","created_at":"2026-05-17T23:51:56Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1903.02024","created_at":"2026-05-17T23:51:56Z"},{"alias_kind":"pith_short_12","alias_value":"FOYLAOEEMLAP","created_at":"2026-05-18T12:33:15Z"},{"alias_kind":"pith_short_16","alias_value":"FOYLAOEEMLAPNGAP","created_at":"2026-05-18T12:33:15Z"},{"alias_kind":"pith_short_8","alias_value":"FOYLAOEE","created_at":"2026-05-18T12:33:15Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:FOYLAOEEMLAPNGAPW6GCPWHR3Z","target":"record","payload":{"canonical_record":{"source":{"id":"1903.02024","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-03-05T19:32:16Z","cross_cats_sorted":[],"title_canon_sha256":"09c48fcf36c6f375fe6e15774974a668a78e9cd0e5e09971f3290e189ed0df8a","abstract_canon_sha256":"e170c1931bdfe6b4cbf05c1d259ba26af7a78e0bc3f69832fd50909baaa34e86"},"schema_version":"1.0"},"canonical_sha256":"2bb0b0388462c0f6980fb78c27d8f1de58e4eed5068cef3d2f1bc0cc542032b2","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:51:56.837803Z","signature_b64":"nhNJdPBo2d0DJGXF7LM/dRvMlANrrI1j12dLIox6ADCuIBskp9C9rKnPWdK1BNEi6lxKZc52Xnx9BEmbVONKDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2bb0b0388462c0f6980fb78c27d8f1de58e4eed5068cef3d2f1bc0cc542032b2","last_reissued_at":"2026-05-17T23:51:56.837310Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:51:56.837310Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1903.02024","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":"2026-05-17T23:51:56Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RKAgJrZBLFtnlK5y5TJcs6WaJouS9ejt1Gl4atn//Oa9eX+iLcAuU5ZU6onyStpb6smxCipwSsugmc19A5g5DA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T19:15:57.189968Z"},"content_sha256":"8779a842bd33437543d5dbf3e5926edef9ab7021a471df3fdb919b0b5798da7c","schema_version":"1.0","event_id":"sha256:8779a842bd33437543d5dbf3e5926edef9ab7021a471df3fdb919b0b5798da7c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:FOYLAOEEMLAPNGAPW6GCPWHR3Z","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"HI galaxies with little star formation: an abundance of LIERs","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Amelia Fraser-McKelvie, M.E. Cluver, Michael J.I. Brown, T. H. Jarrett, Vaishali Parkash","submitted_at":"2019-03-05T19:32:16Z","abstract_excerpt":"We present a sample of 91 HI galaxies with little or no star formation and discuss the analysis of the integral field unit (IFU) spectra of 28 of these galaxies. We identified HI galaxies from the HI Parkes All-Sky Survey Catalog (HICAT) with Wide-field Infrared Survey Explorer (WISE) colours consistent with low specific star formation (< 10$^{-10.4}$ yr$^{-1}$), and obtained optical IFU spectra with the Wide-Field Spectrograph (WiFeS). Visual inspection of the PanSTARRS, Dark Energy Survey, and Carnegie-Irvine imaging of 62 galaxies reveals that at least 32 galaxies in the sample have low lev"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1903.02024","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":"2026-05-17T23:51:56Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"tKyvy1qA1pxgc/nEMzBLw9Pti2v8dQ2dbhOpIKvzjYpwu0vEc/KTYoi93nKXl8m4vMMo8wbIArpecbds4wkrBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T19:15:57.190649Z"},"content_sha256":"129f38976e38f2ce8ab5e1b40cacbe5368d29db3c87e395a665123b2883eec40","schema_version":"1.0","event_id":"sha256:129f38976e38f2ce8ab5e1b40cacbe5368d29db3c87e395a665123b2883eec40"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/FOYLAOEEMLAPNGAPW6GCPWHR3Z/bundle.json","state_url":"https://pith.science/pith/FOYLAOEEMLAPNGAPW6GCPWHR3Z/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/FOYLAOEEMLAPNGAPW6GCPWHR3Z/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":"2026-05-25T19:15:57Z","links":{"resolver":"https://pith.science/pith/FOYLAOEEMLAPNGAPW6GCPWHR3Z","bundle":"https://pith.science/pith/FOYLAOEEMLAPNGAPW6GCPWHR3Z/bundle.json","state":"https://pith.science/pith/FOYLAOEEMLAPNGAPW6GCPWHR3Z/state.json","well_known_bundle":"https://pith.science/.well-known/pith/FOYLAOEEMLAPNGAPW6GCPWHR3Z/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:FOYLAOEEMLAPNGAPW6GCPWHR3Z","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":"e170c1931bdfe6b4cbf05c1d259ba26af7a78e0bc3f69832fd50909baaa34e86","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-03-05T19:32:16Z","title_canon_sha256":"09c48fcf36c6f375fe6e15774974a668a78e9cd0e5e09971f3290e189ed0df8a"},"schema_version":"1.0","source":{"id":"1903.02024","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1903.02024","created_at":"2026-05-17T23:51:56Z"},{"alias_kind":"arxiv_version","alias_value":"1903.02024v1","created_at":"2026-05-17T23:51:56Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1903.02024","created_at":"2026-05-17T23:51:56Z"},{"alias_kind":"pith_short_12","alias_value":"FOYLAOEEMLAP","created_at":"2026-05-18T12:33:15Z"},{"alias_kind":"pith_short_16","alias_value":"FOYLAOEEMLAPNGAP","created_at":"2026-05-18T12:33:15Z"},{"alias_kind":"pith_short_8","alias_value":"FOYLAOEE","created_at":"2026-05-18T12:33:15Z"}],"graph_snapshots":[{"event_id":"sha256:129f38976e38f2ce8ab5e1b40cacbe5368d29db3c87e395a665123b2883eec40","target":"graph","created_at":"2026-05-17T23:51:56Z","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 a sample of 91 HI galaxies with little or no star formation and discuss the analysis of the integral field unit (IFU) spectra of 28 of these galaxies. We identified HI galaxies from the HI Parkes All-Sky Survey Catalog (HICAT) with Wide-field Infrared Survey Explorer (WISE) colours consistent with low specific star formation (< 10$^{-10.4}$ yr$^{-1}$), and obtained optical IFU spectra with the Wide-Field Spectrograph (WiFeS). Visual inspection of the PanSTARRS, Dark Energy Survey, and Carnegie-Irvine imaging of 62 galaxies reveals that at least 32 galaxies in the sample have low lev","authors_text":"Amelia Fraser-McKelvie, M.E. Cluver, Michael J.I. Brown, T. H. Jarrett, Vaishali Parkash","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-03-05T19:32:16Z","title":"HI galaxies with little star formation: an abundance of LIERs"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1903.02024","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":"sha256:8779a842bd33437543d5dbf3e5926edef9ab7021a471df3fdb919b0b5798da7c","target":"record","created_at":"2026-05-17T23:51:56Z","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":"e170c1931bdfe6b4cbf05c1d259ba26af7a78e0bc3f69832fd50909baaa34e86","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-03-05T19:32:16Z","title_canon_sha256":"09c48fcf36c6f375fe6e15774974a668a78e9cd0e5e09971f3290e189ed0df8a"},"schema_version":"1.0","source":{"id":"1903.02024","kind":"arxiv","version":1}},"canonical_sha256":"2bb0b0388462c0f6980fb78c27d8f1de58e4eed5068cef3d2f1bc0cc542032b2","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2bb0b0388462c0f6980fb78c27d8f1de58e4eed5068cef3d2f1bc0cc542032b2","first_computed_at":"2026-05-17T23:51:56.837310Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:51:56.837310Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"nhNJdPBo2d0DJGXF7LM/dRvMlANrrI1j12dLIox6ADCuIBskp9C9rKnPWdK1BNEi6lxKZc52Xnx9BEmbVONKDA==","signature_status":"signed_v1","signed_at":"2026-05-17T23:51:56.837803Z","signed_message":"canonical_sha256_bytes"},"source_id":"1903.02024","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8779a842bd33437543d5dbf3e5926edef9ab7021a471df3fdb919b0b5798da7c","sha256:129f38976e38f2ce8ab5e1b40cacbe5368d29db3c87e395a665123b2883eec40"],"state_sha256":"3236808538ba4a57592f9254f5e7f2e2163ae7b0bd8a79ae079177ea8b1d7a9d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5zX3ZRalI3wt33U1mb0lFHzG6o4MeEX1wnIo8w831xrocRdqn51WnPl111T2nRS3QQUbEMoBaufVAyMDZcx8BA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T19:15:57.194417Z","bundle_sha256":"190cbd4ffb377eeaa3280c20ce6475472c4f7a323b1a06ee15473f67b71f5e3a"}}