{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:RNERU4NTWRWBUX63YRXOFOPQXY","short_pith_number":"pith:RNERU4NT","canonical_record":{"source":{"id":"1901.00241","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-01-02T02:33:08Z","cross_cats_sorted":[],"title_canon_sha256":"9cdac37b5cd707afe2d31acaa720b470f9ebf3427c9e73f5c08d90dd63fb598a","abstract_canon_sha256":"bf84ae79e1a1981b241518a3d96f22a3e41adcf21999569b8aae66855a9c904c"},"schema_version":"1.0"},"canonical_sha256":"8b491a71b3b46c1a5fdbc46ee2b9f0be15f1cc58ed484eb1cd4323bb13664510","source":{"kind":"arxiv","id":"1901.00241","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1901.00241","created_at":"2026-05-17T23:56:12Z"},{"alias_kind":"arxiv_version","alias_value":"1901.00241v1","created_at":"2026-05-17T23:56:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1901.00241","created_at":"2026-05-17T23:56:12Z"},{"alias_kind":"pith_short_12","alias_value":"RNERU4NTWRWB","created_at":"2026-05-18T12:33:27Z"},{"alias_kind":"pith_short_16","alias_value":"RNERU4NTWRWBUX63","created_at":"2026-05-18T12:33:27Z"},{"alias_kind":"pith_short_8","alias_value":"RNERU4NT","created_at":"2026-05-18T12:33:27Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:RNERU4NTWRWBUX63YRXOFOPQXY","target":"record","payload":{"canonical_record":{"source":{"id":"1901.00241","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-01-02T02:33:08Z","cross_cats_sorted":[],"title_canon_sha256":"9cdac37b5cd707afe2d31acaa720b470f9ebf3427c9e73f5c08d90dd63fb598a","abstract_canon_sha256":"bf84ae79e1a1981b241518a3d96f22a3e41adcf21999569b8aae66855a9c904c"},"schema_version":"1.0"},"canonical_sha256":"8b491a71b3b46c1a5fdbc46ee2b9f0be15f1cc58ed484eb1cd4323bb13664510","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:56:12.381729Z","signature_b64":"JrwwZxnFgkLSbdJrdFdCi6vTzVkZnsFNTK+6EKD4D/pM0g9xaeYeWYHdU7xnZbjWo7puPf9UTHbigiu/kxzhBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8b491a71b3b46c1a5fdbc46ee2b9f0be15f1cc58ed484eb1cd4323bb13664510","last_reissued_at":"2026-05-17T23:56:12.381176Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:56:12.381176Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1901.00241","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":"2026-05-17T23:56:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"s5GtpeWI5WbBJXkek1CteAQeewBN6Bym98Pwjbe9rsx3U6YhaCVjO3KbGRyy5gJzC3YruygfJ6tKqd1sSe13Bg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T16:14:50.753441Z"},"content_sha256":"4423187d4f37390bb32f13a118a29011969d0fcdabd71902f714e838aa081fff","schema_version":"1.0","event_id":"sha256:4423187d4f37390bb32f13a118a29011969d0fcdabd71902f714e838aa081fff"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:RNERU4NTWRWBUX63YRXOFOPQXY","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"WALLABY Early Science - II. The NGC 7232 galaxy group","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"A. Elagali, A. Popping, B.-Q. For, B.S. Koribalski, D. Kleiner, G. Heald, J.D. Collier, J. Marvil, J.P. Madrid, J.R. Allison, J. Rhee, J. Wang, K. Lee-Waddell, L. Shao, L. Staveley-Smith, M.T. Whiting, O.I. Wong, P. Serra, S. Bhandari, S.M. Ord, T.N. Reynolds, T. Westmeier","submitted_at":"2019-01-02T02:33:08Z","abstract_excerpt":"We report on neutral hydrogen (HI) observations of the NGC 7232 group with the Australian Square Kilometre Array Pathfinder (ASKAP). These observations were conducted as part of the Wide-field ASKAP L-Band Legacy All-sky Blind surveY (WALLABY) Early Science program with an array of 12 ASKAP antennas equipped with Phased Array Feeds, which were used to form 36 beams to map a field of view of 30 square degrees. Analyzing a subregion of the central beams, we detect 17 HI sources. Eleven of these detections are identified as galaxies and have stellar counterparts, of which five are newly resolved "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1901.00241","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":"2026-05-17T23:56:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"eXxpwL+XBOmR+OMum6CmVnwf8Fyp76ZhjQ2vtwcNgep5LNGKpzPY03IyN4EiK+zPB6oLB0bf99br//MNtIYLDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T16:14:50.754108Z"},"content_sha256":"f0d6b2fe4acfd7e37fa2fbf782d0161b3ba28499ba7afbfa694ac11347dc8961","schema_version":"1.0","event_id":"sha256:f0d6b2fe4acfd7e37fa2fbf782d0161b3ba28499ba7afbfa694ac11347dc8961"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/RNERU4NTWRWBUX63YRXOFOPQXY/bundle.json","state_url":"https://pith.science/pith/RNERU4NTWRWBUX63YRXOFOPQXY/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/RNERU4NTWRWBUX63YRXOFOPQXY/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":"2026-05-27T16:14:50Z","links":{"resolver":"https://pith.science/pith/RNERU4NTWRWBUX63YRXOFOPQXY","bundle":"https://pith.science/pith/RNERU4NTWRWBUX63YRXOFOPQXY/bundle.json","state":"https://pith.science/pith/RNERU4NTWRWBUX63YRXOFOPQXY/state.json","well_known_bundle":"https://pith.science/.well-known/pith/RNERU4NTWRWBUX63YRXOFOPQXY/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:RNERU4NTWRWBUX63YRXOFOPQXY","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":"bf84ae79e1a1981b241518a3d96f22a3e41adcf21999569b8aae66855a9c904c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-01-02T02:33:08Z","title_canon_sha256":"9cdac37b5cd707afe2d31acaa720b470f9ebf3427c9e73f5c08d90dd63fb598a"},"schema_version":"1.0","source":{"id":"1901.00241","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1901.00241","created_at":"2026-05-17T23:56:12Z"},{"alias_kind":"arxiv_version","alias_value":"1901.00241v1","created_at":"2026-05-17T23:56:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1901.00241","created_at":"2026-05-17T23:56:12Z"},{"alias_kind":"pith_short_12","alias_value":"RNERU4NTWRWB","created_at":"2026-05-18T12:33:27Z"},{"alias_kind":"pith_short_16","alias_value":"RNERU4NTWRWBUX63","created_at":"2026-05-18T12:33:27Z"},{"alias_kind":"pith_short_8","alias_value":"RNERU4NT","created_at":"2026-05-18T12:33:27Z"}],"graph_snapshots":[{"event_id":"sha256:f0d6b2fe4acfd7e37fa2fbf782d0161b3ba28499ba7afbfa694ac11347dc8961","target":"graph","created_at":"2026-05-17T23:56:12Z","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 report on neutral hydrogen (HI) observations of the NGC 7232 group with the Australian Square Kilometre Array Pathfinder (ASKAP). These observations were conducted as part of the Wide-field ASKAP L-Band Legacy All-sky Blind surveY (WALLABY) Early Science program with an array of 12 ASKAP antennas equipped with Phased Array Feeds, which were used to form 36 beams to map a field of view of 30 square degrees. Analyzing a subregion of the central beams, we detect 17 HI sources. Eleven of these detections are identified as galaxies and have stellar counterparts, of which five are newly resolved ","authors_text":"A. Elagali, A. Popping, B.-Q. For, B.S. Koribalski, D. Kleiner, G. Heald, J.D. Collier, J. Marvil, J.P. Madrid, J.R. Allison, J. Rhee, J. Wang, K. Lee-Waddell, L. Shao, L. Staveley-Smith, M.T. Whiting, O.I. Wong, P. Serra, S. Bhandari, S.M. Ord, T.N. Reynolds, T. Westmeier","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-01-02T02:33:08Z","title":"WALLABY Early Science - II. The NGC 7232 galaxy group"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1901.00241","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":"sha256:4423187d4f37390bb32f13a118a29011969d0fcdabd71902f714e838aa081fff","target":"record","created_at":"2026-05-17T23:56:12Z","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":"bf84ae79e1a1981b241518a3d96f22a3e41adcf21999569b8aae66855a9c904c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-01-02T02:33:08Z","title_canon_sha256":"9cdac37b5cd707afe2d31acaa720b470f9ebf3427c9e73f5c08d90dd63fb598a"},"schema_version":"1.0","source":{"id":"1901.00241","kind":"arxiv","version":1}},"canonical_sha256":"8b491a71b3b46c1a5fdbc46ee2b9f0be15f1cc58ed484eb1cd4323bb13664510","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8b491a71b3b46c1a5fdbc46ee2b9f0be15f1cc58ed484eb1cd4323bb13664510","first_computed_at":"2026-05-17T23:56:12.381176Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:56:12.381176Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"JrwwZxnFgkLSbdJrdFdCi6vTzVkZnsFNTK+6EKD4D/pM0g9xaeYeWYHdU7xnZbjWo7puPf9UTHbigiu/kxzhBw==","signature_status":"signed_v1","signed_at":"2026-05-17T23:56:12.381729Z","signed_message":"canonical_sha256_bytes"},"source_id":"1901.00241","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4423187d4f37390bb32f13a118a29011969d0fcdabd71902f714e838aa081fff","sha256:f0d6b2fe4acfd7e37fa2fbf782d0161b3ba28499ba7afbfa694ac11347dc8961"],"state_sha256":"891a845b05cf126bb1a4eddfcd382e3ea06d21b8ce360fb08a28896931c7adb5"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rn4G5p816L+B2YBb3DGF6uxaZoNV8V4YWLWuw0p7td64YoLmMpWgxQq1GayYKv7x1FZInZYJE2NhUfguECqjCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T16:14:50.757150Z","bundle_sha256":"97e3463cb185a31058164e277a2e4e292ea69514fa896fb765a24313d78deb6e"}}