{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:TMHVOVU4URWH3KWWUJJ5IP5MCI","short_pith_number":"pith:TMHVOVU4","canonical_record":{"source":{"id":"1408.5974","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2014-08-26T01:53:55Z","cross_cats_sorted":[],"title_canon_sha256":"40631d65349df753f4d9032e70d995f496d36137c3feb0a94d26c4d4cb354c85","abstract_canon_sha256":"f181bdaa67e163831de899d28a48c206c541479ae3f18a69bf210069c3e3b338"},"schema_version":"1.0"},"canonical_sha256":"9b0f57569ca46c7daad6a253d43fac1203dcce872f0ccf4a3b0452a3e2555fd0","source":{"kind":"arxiv","id":"1408.5974","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1408.5974","created_at":"2026-05-18T01:42:13Z"},{"alias_kind":"arxiv_version","alias_value":"1408.5974v1","created_at":"2026-05-18T01:42:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1408.5974","created_at":"2026-05-18T01:42:13Z"},{"alias_kind":"pith_short_12","alias_value":"TMHVOVU4URWH","created_at":"2026-05-18T12:28:49Z"},{"alias_kind":"pith_short_16","alias_value":"TMHVOVU4URWH3KWW","created_at":"2026-05-18T12:28:49Z"},{"alias_kind":"pith_short_8","alias_value":"TMHVOVU4","created_at":"2026-05-18T12:28:49Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:TMHVOVU4URWH3KWWUJJ5IP5MCI","target":"record","payload":{"canonical_record":{"source":{"id":"1408.5974","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2014-08-26T01:53:55Z","cross_cats_sorted":[],"title_canon_sha256":"40631d65349df753f4d9032e70d995f496d36137c3feb0a94d26c4d4cb354c85","abstract_canon_sha256":"f181bdaa67e163831de899d28a48c206c541479ae3f18a69bf210069c3e3b338"},"schema_version":"1.0"},"canonical_sha256":"9b0f57569ca46c7daad6a253d43fac1203dcce872f0ccf4a3b0452a3e2555fd0","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:42:13.154508Z","signature_b64":"MqvxZEhqplRMWndCP8iIsMIe5qAdOpIXxu2+eVQdNzGDdo1BAf5dQFzt1jBIvmsv2FZbyzA/tikwoFPxO8EUCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9b0f57569ca46c7daad6a253d43fac1203dcce872f0ccf4a3b0452a3e2555fd0","last_reissued_at":"2026-05-18T01:42:13.154008Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:42:13.154008Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1408.5974","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":"2026-05-18T01:42:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mrOLfHdg0UsTSFyVEviElmJg0KDdA9vqV8kfppldmaPKtoPwfvNIB/TWE1bQva7ZF4rRArtQJJzu+7PB+VM8BQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-23T18:23:27.863486Z"},"content_sha256":"b16e265d6fb168bea03dc70f60ebc636180ea470074f4ffa7867cbec162688f0","schema_version":"1.0","event_id":"sha256:b16e265d6fb168bea03dc70f60ebc636180ea470074f4ffa7867cbec162688f0"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:TMHVOVU4URWH3KWWUJJ5IP5MCI","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Accretion in action: phase space coherence of stellar debris and globular clusters in Andromeda's South-West Cloud","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Alan McConnachie, Annette Ferguson, Anthony Conn, Avon Huxor, Brendan McMonigal, Dougal Mackey, Geraint Lewis, Jorge Penarrubia, Jovan Veljanoski, Michelle Collins, Mike Irwin, Nick Bate, Nicolas Martin, Pascal Elahi, Rodrigo Ibata, Scott Chapman","submitted_at":"2014-08-26T01:53:55Z","abstract_excerpt":"A central tenet of the current cosmological paradigm is that galaxies grow over time through the accretion of smaller systems. Here, we present new kinematic measurements near the centre of one of the densest pronounced substructures, the South-West Cloud, in the outer halo of our nearest giant neighbour, the Andromeda galaxy. These observations reveal that the kinematic properties of this region of the South-West Cloud are consistent with those of PA-8, a globular cluster previously shown to be co-spatial with the stellar substructure. In this sense the situation is reminiscent of the handful"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1408.5974","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":"2026-05-18T01:42:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"OD9qGtHMVEoBJ6uOUQyqVqNHaaoRJigL19cX+Pex4Tq31fZiJ/IOUL/Jxp9EWXv6vpA7LMbAkIe8khai4cPuBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-23T18:23:27.864236Z"},"content_sha256":"a66cb1e5c082afa0ba6ab61e6947cf2c4bf3206a11b376cd31c9142a82026460","schema_version":"1.0","event_id":"sha256:a66cb1e5c082afa0ba6ab61e6947cf2c4bf3206a11b376cd31c9142a82026460"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/TMHVOVU4URWH3KWWUJJ5IP5MCI/bundle.json","state_url":"https://pith.science/pith/TMHVOVU4URWH3KWWUJJ5IP5MCI/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/TMHVOVU4URWH3KWWUJJ5IP5MCI/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":"2026-05-23T18:23:27Z","links":{"resolver":"https://pith.science/pith/TMHVOVU4URWH3KWWUJJ5IP5MCI","bundle":"https://pith.science/pith/TMHVOVU4URWH3KWWUJJ5IP5MCI/bundle.json","state":"https://pith.science/pith/TMHVOVU4URWH3KWWUJJ5IP5MCI/state.json","well_known_bundle":"https://pith.science/.well-known/pith/TMHVOVU4URWH3KWWUJJ5IP5MCI/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:TMHVOVU4URWH3KWWUJJ5IP5MCI","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":"f181bdaa67e163831de899d28a48c206c541479ae3f18a69bf210069c3e3b338","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2014-08-26T01:53:55Z","title_canon_sha256":"40631d65349df753f4d9032e70d995f496d36137c3feb0a94d26c4d4cb354c85"},"schema_version":"1.0","source":{"id":"1408.5974","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1408.5974","created_at":"2026-05-18T01:42:13Z"},{"alias_kind":"arxiv_version","alias_value":"1408.5974v1","created_at":"2026-05-18T01:42:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1408.5974","created_at":"2026-05-18T01:42:13Z"},{"alias_kind":"pith_short_12","alias_value":"TMHVOVU4URWH","created_at":"2026-05-18T12:28:49Z"},{"alias_kind":"pith_short_16","alias_value":"TMHVOVU4URWH3KWW","created_at":"2026-05-18T12:28:49Z"},{"alias_kind":"pith_short_8","alias_value":"TMHVOVU4","created_at":"2026-05-18T12:28:49Z"}],"graph_snapshots":[{"event_id":"sha256:a66cb1e5c082afa0ba6ab61e6947cf2c4bf3206a11b376cd31c9142a82026460","target":"graph","created_at":"2026-05-18T01:42:13Z","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":"A central tenet of the current cosmological paradigm is that galaxies grow over time through the accretion of smaller systems. Here, we present new kinematic measurements near the centre of one of the densest pronounced substructures, the South-West Cloud, in the outer halo of our nearest giant neighbour, the Andromeda galaxy. These observations reveal that the kinematic properties of this region of the South-West Cloud are consistent with those of PA-8, a globular cluster previously shown to be co-spatial with the stellar substructure. In this sense the situation is reminiscent of the handful","authors_text":"Alan McConnachie, Annette Ferguson, Anthony Conn, Avon Huxor, Brendan McMonigal, Dougal Mackey, Geraint Lewis, Jorge Penarrubia, Jovan Veljanoski, Michelle Collins, Mike Irwin, Nick Bate, Nicolas Martin, Pascal Elahi, Rodrigo Ibata, Scott Chapman","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2014-08-26T01:53:55Z","title":"Accretion in action: phase space coherence of stellar debris and globular clusters in Andromeda's South-West Cloud"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1408.5974","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:b16e265d6fb168bea03dc70f60ebc636180ea470074f4ffa7867cbec162688f0","target":"record","created_at":"2026-05-18T01:42:13Z","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":"f181bdaa67e163831de899d28a48c206c541479ae3f18a69bf210069c3e3b338","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2014-08-26T01:53:55Z","title_canon_sha256":"40631d65349df753f4d9032e70d995f496d36137c3feb0a94d26c4d4cb354c85"},"schema_version":"1.0","source":{"id":"1408.5974","kind":"arxiv","version":1}},"canonical_sha256":"9b0f57569ca46c7daad6a253d43fac1203dcce872f0ccf4a3b0452a3e2555fd0","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9b0f57569ca46c7daad6a253d43fac1203dcce872f0ccf4a3b0452a3e2555fd0","first_computed_at":"2026-05-18T01:42:13.154008Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:42:13.154008Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"MqvxZEhqplRMWndCP8iIsMIe5qAdOpIXxu2+eVQdNzGDdo1BAf5dQFzt1jBIvmsv2FZbyzA/tikwoFPxO8EUCQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:42:13.154508Z","signed_message":"canonical_sha256_bytes"},"source_id":"1408.5974","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b16e265d6fb168bea03dc70f60ebc636180ea470074f4ffa7867cbec162688f0","sha256:a66cb1e5c082afa0ba6ab61e6947cf2c4bf3206a11b376cd31c9142a82026460"],"state_sha256":"9f4c3e8f2b80c614bc32da6c556469dc08505129c2443345a6d546da7fd754d0"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2VnHJmbpMsw2dWMqvwKgYvUxI2uXfZqFFCtBLRmHQxqTzhu2GsYzcLD8jP7yRQTlns71PbbY+qUf1LCfJ56CBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-23T18:23:27.867728Z","bundle_sha256":"54d026277d379a372616a575860208b1cfed2cd4346040bc620121a621b81222"}}