{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:MN357F5VYOJYXSR4WVBJBYI6Z3","short_pith_number":"pith:MN357F5V","canonical_record":{"source":{"id":"2004.12033","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2020-04-25T01:21:29Z","cross_cats_sorted":[],"title_canon_sha256":"e8a71a151a46c19631edc80b6323dc64ae53346518ebe6b1d4c85582fdcd4585","abstract_canon_sha256":"87db327c5d1be94c3d4846a4ffb6f2e69aa0b26d309fed85d67c88f901adf1a3"},"schema_version":"1.0"},"canonical_sha256":"6377df97b5c3938bca3cb54290e11ecec3a75e81c0c12399fec3c8a4df837772","source":{"kind":"arxiv","id":"2004.12033","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2004.12033","created_at":"2026-07-05T01:02:17Z"},{"alias_kind":"arxiv_version","alias_value":"2004.12033v1","created_at":"2026-07-05T01:02:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2004.12033","created_at":"2026-07-05T01:02:17Z"},{"alias_kind":"pith_short_12","alias_value":"MN357F5VYOJY","created_at":"2026-07-05T01:02:17Z"},{"alias_kind":"pith_short_16","alias_value":"MN357F5VYOJYXSR4","created_at":"2026-07-05T01:02:17Z"},{"alias_kind":"pith_short_8","alias_value":"MN357F5V","created_at":"2026-07-05T01:02:17Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:MN357F5VYOJYXSR4WVBJBYI6Z3","target":"record","payload":{"canonical_record":{"source":{"id":"2004.12033","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2020-04-25T01:21:29Z","cross_cats_sorted":[],"title_canon_sha256":"e8a71a151a46c19631edc80b6323dc64ae53346518ebe6b1d4c85582fdcd4585","abstract_canon_sha256":"87db327c5d1be94c3d4846a4ffb6f2e69aa0b26d309fed85d67c88f901adf1a3"},"schema_version":"1.0"},"canonical_sha256":"6377df97b5c3938bca3cb54290e11ecec3a75e81c0c12399fec3c8a4df837772","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T01:02:17.486980Z","signature_b64":"HRSbRMGEh1U5a3LzM8FLUuTBUsWoZ7YKCHdKxr82i3T2tCbHItmOpaMmffnVwsCZX0AqEVEPJBSK9Ppq9igjAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6377df97b5c3938bca3cb54290e11ecec3a75e81c0c12399fec3c8a4df837772","last_reissued_at":"2026-07-05T01:02:17.486567Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T01:02:17.486567Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2004.12033","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":"2026-07-05T01:02:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Ln62c8U1SGHOPueiwN9Aac4S7GD8l+zrInkS37fd2w34LxHIDVRUoJS2qVjgydDHjyNeZNwU/i1TKivYnrZWAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T13:23:27.605060Z"},"content_sha256":"b07ec858a8d9df173bc76b577bf971ea50aac055767c4aa87e5a5ab2df1f4e6a","schema_version":"1.0","event_id":"sha256:b07ec858a8d9df173bc76b577bf971ea50aac055767c4aa87e5a5ab2df1f4e6a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:MN357F5VYOJYXSR4WVBJBYI6Z3","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Ram pressure stripping candidates in the Coma Cluster: Evidence for enhanced star formation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Ian D. Roberts, Laura C. Parker","submitted_at":"2020-04-25T01:21:29Z","abstract_excerpt":"The Coma cluster is the nearest massive ($M \\gtrsim 10^{15}\\,\\mathrm{M_\\odot}$) galaxy cluster, making it an excellent laboratory to probe the influence of the cluster environment on galaxy star formation. Here, we present a sample of 41 galaxies with disturbed morphologies consistent with ram pressure stripping. These galaxies are identified visually using high-quality, multi-band imaging from the Canada-France-Hawaii telescope covering ~9 $\\mathrm{deg^2}$ of the Coma cluster. These \"stripping candidates\" are clear outliers in common quantitative morphological measures, such as concentration-"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2004.12033","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/2004.12033/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":"2026-07-05T01:02:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"yA1SZatSNNlShuje4uHi1XQHPNvfGZWOCGYyVmG1LyM6zA7TaubbiI+7s3KoU9kpYszN7j5Zy54dPMoyMCrhBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T13:23:27.605357Z"},"content_sha256":"84a8bfa3d8cefb91b5319a8be57ffe0a83dd92e80ff0a0428aca75dba090353f","schema_version":"1.0","event_id":"sha256:84a8bfa3d8cefb91b5319a8be57ffe0a83dd92e80ff0a0428aca75dba090353f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/MN357F5VYOJYXSR4WVBJBYI6Z3/bundle.json","state_url":"https://pith.science/pith/MN357F5VYOJYXSR4WVBJBYI6Z3/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/MN357F5VYOJYXSR4WVBJBYI6Z3/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":"2026-08-05T13:23:27Z","links":{"resolver":"https://pith.science/pith/MN357F5VYOJYXSR4WVBJBYI6Z3","bundle":"https://pith.science/pith/MN357F5VYOJYXSR4WVBJBYI6Z3/bundle.json","state":"https://pith.science/pith/MN357F5VYOJYXSR4WVBJBYI6Z3/state.json","well_known_bundle":"https://pith.science/.well-known/pith/MN357F5VYOJYXSR4WVBJBYI6Z3/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:MN357F5VYOJYXSR4WVBJBYI6Z3","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":"87db327c5d1be94c3d4846a4ffb6f2e69aa0b26d309fed85d67c88f901adf1a3","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2020-04-25T01:21:29Z","title_canon_sha256":"e8a71a151a46c19631edc80b6323dc64ae53346518ebe6b1d4c85582fdcd4585"},"schema_version":"1.0","source":{"id":"2004.12033","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2004.12033","created_at":"2026-07-05T01:02:17Z"},{"alias_kind":"arxiv_version","alias_value":"2004.12033v1","created_at":"2026-07-05T01:02:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2004.12033","created_at":"2026-07-05T01:02:17Z"},{"alias_kind":"pith_short_12","alias_value":"MN357F5VYOJY","created_at":"2026-07-05T01:02:17Z"},{"alias_kind":"pith_short_16","alias_value":"MN357F5VYOJYXSR4","created_at":"2026-07-05T01:02:17Z"},{"alias_kind":"pith_short_8","alias_value":"MN357F5V","created_at":"2026-07-05T01:02:17Z"}],"graph_snapshots":[{"event_id":"sha256:84a8bfa3d8cefb91b5319a8be57ffe0a83dd92e80ff0a0428aca75dba090353f","target":"graph","created_at":"2026-07-05T01:02:17Z","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/2004.12033/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The Coma cluster is the nearest massive ($M \\gtrsim 10^{15}\\,\\mathrm{M_\\odot}$) galaxy cluster, making it an excellent laboratory to probe the influence of the cluster environment on galaxy star formation. Here, we present a sample of 41 galaxies with disturbed morphologies consistent with ram pressure stripping. These galaxies are identified visually using high-quality, multi-band imaging from the Canada-France-Hawaii telescope covering ~9 $\\mathrm{deg^2}$ of the Coma cluster. These \"stripping candidates\" are clear outliers in common quantitative morphological measures, such as concentration-","authors_text":"Ian D. Roberts, Laura C. Parker","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2020-04-25T01:21:29Z","title":"Ram pressure stripping candidates in the Coma Cluster: Evidence for enhanced star formation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2004.12033","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:b07ec858a8d9df173bc76b577bf971ea50aac055767c4aa87e5a5ab2df1f4e6a","target":"record","created_at":"2026-07-05T01:02:17Z","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":"87db327c5d1be94c3d4846a4ffb6f2e69aa0b26d309fed85d67c88f901adf1a3","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2020-04-25T01:21:29Z","title_canon_sha256":"e8a71a151a46c19631edc80b6323dc64ae53346518ebe6b1d4c85582fdcd4585"},"schema_version":"1.0","source":{"id":"2004.12033","kind":"arxiv","version":1}},"canonical_sha256":"6377df97b5c3938bca3cb54290e11ecec3a75e81c0c12399fec3c8a4df837772","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6377df97b5c3938bca3cb54290e11ecec3a75e81c0c12399fec3c8a4df837772","first_computed_at":"2026-07-05T01:02:17.486567Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T01:02:17.486567Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"HRSbRMGEh1U5a3LzM8FLUuTBUsWoZ7YKCHdKxr82i3T2tCbHItmOpaMmffnVwsCZX0AqEVEPJBSK9Ppq9igjAQ==","signature_status":"signed_v1","signed_at":"2026-07-05T01:02:17.486980Z","signed_message":"canonical_sha256_bytes"},"source_id":"2004.12033","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b07ec858a8d9df173bc76b577bf971ea50aac055767c4aa87e5a5ab2df1f4e6a","sha256:84a8bfa3d8cefb91b5319a8be57ffe0a83dd92e80ff0a0428aca75dba090353f"],"state_sha256":"61a4ed6133100224c70af7bd8d12afb04d480ebada6499a1bfb00816817cf770"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6nBgDe0JUZXv6Q8mpGrfVAWIiFfgMuZVMmOQFg6j/oaKius9lZBcytuC/13JAk+6yEt8v6SceyqMv2ethrIZAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-05T13:23:27.609696Z","bundle_sha256":"3db9bc6fd0339fd5d09bc6f10777059d138fd830749d41bf5280c5d3f9ee6bfb"}}