{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:W26BNCPSYDPC23JLD6M32IN3B7","short_pith_number":"pith:W26BNCPS","canonical_record":{"source":{"id":"2005.02412","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2020-05-05T18:00:05Z","cross_cats_sorted":["astro-ph.HE","astro-ph.SR"],"title_canon_sha256":"94fc03540f9114c2edd14642628db48447fc2aa9ed4f75053d9467838c5bc6e5","abstract_canon_sha256":"996f7b86acabb07c9488cfb89352a9617be4986c0a6896ce95a34a77ba3eb69b"},"schema_version":"1.0"},"canonical_sha256":"b6bc1689f2c0de2d6d2b1f99bd21bb0fc4f587cbbc8eadbe36dffc5d8e5071df","source":{"kind":"arxiv","id":"2005.02412","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2005.02412","created_at":"2026-07-05T01:05:49Z"},{"alias_kind":"arxiv_version","alias_value":"2005.02412v1","created_at":"2026-07-05T01:05:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2005.02412","created_at":"2026-07-05T01:05:49Z"},{"alias_kind":"pith_short_12","alias_value":"W26BNCPSYDPC","created_at":"2026-07-05T01:05:49Z"},{"alias_kind":"pith_short_16","alias_value":"W26BNCPSYDPC23JL","created_at":"2026-07-05T01:05:49Z"},{"alias_kind":"pith_short_8","alias_value":"W26BNCPS","created_at":"2026-07-05T01:05:49Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:W26BNCPSYDPC23JLD6M32IN3B7","target":"record","payload":{"canonical_record":{"source":{"id":"2005.02412","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2020-05-05T18:00:05Z","cross_cats_sorted":["astro-ph.HE","astro-ph.SR"],"title_canon_sha256":"94fc03540f9114c2edd14642628db48447fc2aa9ed4f75053d9467838c5bc6e5","abstract_canon_sha256":"996f7b86acabb07c9488cfb89352a9617be4986c0a6896ce95a34a77ba3eb69b"},"schema_version":"1.0"},"canonical_sha256":"b6bc1689f2c0de2d6d2b1f99bd21bb0fc4f587cbbc8eadbe36dffc5d8e5071df","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T01:05:49.897138Z","signature_b64":"zC4uIeHm6KIj1zFJRGtW2GgKnzoI77Ose2wFJTXbDXxdLwNDxzcpSgp6nSj+TRzZPCrdVyz8wLX+8lq9xA0oAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b6bc1689f2c0de2d6d2b1f99bd21bb0fc4f587cbbc8eadbe36dffc5d8e5071df","last_reissued_at":"2026-07-05T01:05:49.896644Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T01:05:49.896644Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2005.02412","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":"2026-07-05T01:05:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Bthkvgnzr9TnzYhDu1pAy74ff7zkVhyzYkaAC4geKOJwbHSguSID+ZxuuiwLA2lQLXRtZf8UuxNgqaEcrCf0CQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T12:16:14.598520Z"},"content_sha256":"ece967bde13ed70d15f0c722d0b4271bb7b60d0c06f1ff7b975dd94651f74b18","schema_version":"1.0","event_id":"sha256:ece967bde13ed70d15f0c722d0b4271bb7b60d0c06f1ff7b975dd94651f74b18"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:W26BNCPSYDPC23JLD6M32IN3B7","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A Blast from the Pasture: Studying the environment of AT 2018cow with MUSE","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.HE","astro-ph.SR"],"primary_cat":"astro-ph.GA","authors_text":"H. Kuncarayakti, J. D. Lyman, J. P. Anderson, L. Galbany, S. F. Sanchez","submitted_at":"2020-05-05T18:00:05Z","abstract_excerpt":"AT 2018cow was the nearest and best studied example of a new breed of extra-galactic, luminous and rapidly-evolving transient. Both the progenitor systems and explosion mechanisms of these rapid transients remain a mystery - the energetics, spectral signatures, and timescales make them challenging to interpret in established classes of supernovae and tidal disruption events. The rich, multi-wavelength data-set of AT 2018cow has still left several interpretations viable to explain the nature of this event. In this paper we analyse integral-field spectroscopic data of the host galaxy, CGCG 137-0"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2005.02412","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2005.02412/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T01:05:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"svexwHx/KN0RYXZLoBixm5twaGU4Uc6G6BSeyntWM2H1U2VqIeSG5eSwxij4aP3Qwg8EsfQSlRtBI4BPJ08SBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T12:16:14.598896Z"},"content_sha256":"dfc03f7ec27f942bbf01950d6f574ec80ba277f982241eec46f3b3b863a71a14","schema_version":"1.0","event_id":"sha256:dfc03f7ec27f942bbf01950d6f574ec80ba277f982241eec46f3b3b863a71a14"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/W26BNCPSYDPC23JLD6M32IN3B7/bundle.json","state_url":"https://pith.science/pith/W26BNCPSYDPC23JLD6M32IN3B7/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/W26BNCPSYDPC23JLD6M32IN3B7/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":"2026-07-07T12:16:14Z","links":{"resolver":"https://pith.science/pith/W26BNCPSYDPC23JLD6M32IN3B7","bundle":"https://pith.science/pith/W26BNCPSYDPC23JLD6M32IN3B7/bundle.json","state":"https://pith.science/pith/W26BNCPSYDPC23JLD6M32IN3B7/state.json","well_known_bundle":"https://pith.science/.well-known/pith/W26BNCPSYDPC23JLD6M32IN3B7/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:W26BNCPSYDPC23JLD6M32IN3B7","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":"996f7b86acabb07c9488cfb89352a9617be4986c0a6896ce95a34a77ba3eb69b","cross_cats_sorted":["astro-ph.HE","astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2020-05-05T18:00:05Z","title_canon_sha256":"94fc03540f9114c2edd14642628db48447fc2aa9ed4f75053d9467838c5bc6e5"},"schema_version":"1.0","source":{"id":"2005.02412","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2005.02412","created_at":"2026-07-05T01:05:49Z"},{"alias_kind":"arxiv_version","alias_value":"2005.02412v1","created_at":"2026-07-05T01:05:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2005.02412","created_at":"2026-07-05T01:05:49Z"},{"alias_kind":"pith_short_12","alias_value":"W26BNCPSYDPC","created_at":"2026-07-05T01:05:49Z"},{"alias_kind":"pith_short_16","alias_value":"W26BNCPSYDPC23JL","created_at":"2026-07-05T01:05:49Z"},{"alias_kind":"pith_short_8","alias_value":"W26BNCPS","created_at":"2026-07-05T01:05:49Z"}],"graph_snapshots":[{"event_id":"sha256:dfc03f7ec27f942bbf01950d6f574ec80ba277f982241eec46f3b3b863a71a14","target":"graph","created_at":"2026-07-05T01:05:49Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2005.02412/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"AT 2018cow was the nearest and best studied example of a new breed of extra-galactic, luminous and rapidly-evolving transient. Both the progenitor systems and explosion mechanisms of these rapid transients remain a mystery - the energetics, spectral signatures, and timescales make them challenging to interpret in established classes of supernovae and tidal disruption events. The rich, multi-wavelength data-set of AT 2018cow has still left several interpretations viable to explain the nature of this event. In this paper we analyse integral-field spectroscopic data of the host galaxy, CGCG 137-0","authors_text":"H. Kuncarayakti, J. D. Lyman, J. P. Anderson, L. Galbany, S. F. Sanchez","cross_cats":["astro-ph.HE","astro-ph.SR"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2020-05-05T18:00:05Z","title":"A Blast from the Pasture: Studying the environment of AT 2018cow with MUSE"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2005.02412","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:ece967bde13ed70d15f0c722d0b4271bb7b60d0c06f1ff7b975dd94651f74b18","target":"record","created_at":"2026-07-05T01:05:49Z","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":"996f7b86acabb07c9488cfb89352a9617be4986c0a6896ce95a34a77ba3eb69b","cross_cats_sorted":["astro-ph.HE","astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2020-05-05T18:00:05Z","title_canon_sha256":"94fc03540f9114c2edd14642628db48447fc2aa9ed4f75053d9467838c5bc6e5"},"schema_version":"1.0","source":{"id":"2005.02412","kind":"arxiv","version":1}},"canonical_sha256":"b6bc1689f2c0de2d6d2b1f99bd21bb0fc4f587cbbc8eadbe36dffc5d8e5071df","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b6bc1689f2c0de2d6d2b1f99bd21bb0fc4f587cbbc8eadbe36dffc5d8e5071df","first_computed_at":"2026-07-05T01:05:49.896644Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T01:05:49.896644Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"zC4uIeHm6KIj1zFJRGtW2GgKnzoI77Ose2wFJTXbDXxdLwNDxzcpSgp6nSj+TRzZPCrdVyz8wLX+8lq9xA0oAw==","signature_status":"signed_v1","signed_at":"2026-07-05T01:05:49.897138Z","signed_message":"canonical_sha256_bytes"},"source_id":"2005.02412","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ece967bde13ed70d15f0c722d0b4271bb7b60d0c06f1ff7b975dd94651f74b18","sha256:dfc03f7ec27f942bbf01950d6f574ec80ba277f982241eec46f3b3b863a71a14"],"state_sha256":"339108242db06f860d968c97fbe5afe5bcb43afa029f9e7c612fbdca0ac33a0c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZhO+hd74D9bkzV4daiVq1kPgnUjQYZnGdAunFWo/ISWxxaT8n286cwodFPThLUyFdBuPBBcK2/yifhPPh6gOBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-07T12:16:14.600834Z","bundle_sha256":"83f186bc0dd8194f8cb3de8d87314c597e4c3a312d74bf2eeb12734df8112bec"}}