{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:E5WTLI7WF5ZMB3PNRQ55R2O6PN","short_pith_number":"pith:E5WTLI7W","canonical_record":{"source":{"id":"2001.01731","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2020-01-06T19:00:07Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"ca5c64953fde98a4335c73c1ba9beb79b4ec23da75146df8e850b2d8c9820d64","abstract_canon_sha256":"38542b20e87d3a266f17d01662e6f2bd12617993a223cb2341536b64a6849128"},"schema_version":"1.0"},"canonical_sha256":"276d35a3f62f72c0eded8c3bd8e9de7b7ad5c053e292e5c3c1894d1635d641fe","source":{"kind":"arxiv","id":"2001.01731","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2001.01731","created_at":"2026-07-05T00:34:51Z"},{"alias_kind":"arxiv_version","alias_value":"2001.01731v1","created_at":"2026-07-05T00:34:51Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2001.01731","created_at":"2026-07-05T00:34:51Z"},{"alias_kind":"pith_short_12","alias_value":"E5WTLI7WF5ZM","created_at":"2026-07-05T00:34:51Z"},{"alias_kind":"pith_short_16","alias_value":"E5WTLI7WF5ZMB3PN","created_at":"2026-07-05T00:34:51Z"},{"alias_kind":"pith_short_8","alias_value":"E5WTLI7W","created_at":"2026-07-05T00:34:51Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:E5WTLI7WF5ZMB3PNRQ55R2O6PN","target":"record","payload":{"canonical_record":{"source":{"id":"2001.01731","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2020-01-06T19:00:07Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"ca5c64953fde98a4335c73c1ba9beb79b4ec23da75146df8e850b2d8c9820d64","abstract_canon_sha256":"38542b20e87d3a266f17d01662e6f2bd12617993a223cb2341536b64a6849128"},"schema_version":"1.0"},"canonical_sha256":"276d35a3f62f72c0eded8c3bd8e9de7b7ad5c053e292e5c3c1894d1635d641fe","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:34:51.232714Z","signature_b64":"CQZzvN/sBYVVWolyeafol+nbWUIOcUkjU6VVE2WRB8thWuvwNEEp+eEofNvXk1FaMrG+cmczOmM7pMW+ywJtDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"276d35a3f62f72c0eded8c3bd8e9de7b7ad5c053e292e5c3c1894d1635d641fe","last_reissued_at":"2026-07-05T00:34:51.232171Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:34:51.232171Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2001.01731","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":"2026-07-05T00:34:51Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gd9gbstlh9A6l08GXvRNVa9Ets/hXHaEj7m6uLKlkISodaYR1/sG2kQxRT/xBJnZn4JJZKMXc3i+am9XSNiOBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T08:03:10.053061Z"},"content_sha256":"5960f3b2d9e719401a7d70bb723e13b7e3d96dbedb083600c247d0e89bced283","schema_version":"1.0","event_id":"sha256:5960f3b2d9e719401a7d70bb723e13b7e3d96dbedb083600c247d0e89bced283"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:E5WTLI7WF5ZMB3PNRQ55R2O6PN","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"How stellar rotation shapes the colour magnitude diagram of the massive intermediate-age star cluster NGC 1846","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.SR","authors_text":"Alessio Mucciarelli, Benjamin Giesers, Carmela Lardo, Christopher Usher, Cyril Georgy, David Yong, Dietrich Baade, Dougal Mackey, Fabian G\\\"ottgens, Gary Da Costa, Imants Platais, Ivan Cabrera-Ziri, Martin M. Roth, Maurizio Salaris, Michael Hilker, Nate Bastian, Sebastian Kamann, Selma E. de Mink, Seth Gossage, Silvia Martocchia, S{\\o}ren Larsen, Tim-Oliver Husser","submitted_at":"2020-01-06T19:00:07Z","abstract_excerpt":"We present a detailed study of stellar rotation in the massive 1.5 Gyr old cluster NGC 1846 in the Large Magellanic Cloud. Similar to other clusters at this age, NGC 1846 shows an extended main sequence turn-off (eMSTO), and previous photometric studies have suggested it could be bimodal. In this study, we use MUSE integral-field spectroscopy to measure the projected rotational velocities (vsini) of around 1400 stars across the eMSTO and along the upper main sequence of NGC 1846. We measure vsini values up to ~250 km/s and find a clear relation between the vsini of a star and its location acro"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2001.01731","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/2001.01731/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":"2026-07-05T00:34:51Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"LuLREuKoU0rvFeWKPx3ksR5UoF/5RXhl2mtfUhuCSp8Nl3ziHdDy/bNHmVF2Q+ONTzb9fWmEKU4YoffahBExCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T08:03:10.054145Z"},"content_sha256":"c756a9d25d39ee82fa587ceed2fdd0c0c604e61bb429aff46364b401387733ed","schema_version":"1.0","event_id":"sha256:c756a9d25d39ee82fa587ceed2fdd0c0c604e61bb429aff46364b401387733ed"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/E5WTLI7WF5ZMB3PNRQ55R2O6PN/bundle.json","state_url":"https://pith.science/pith/E5WTLI7WF5ZMB3PNRQ55R2O6PN/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/E5WTLI7WF5ZMB3PNRQ55R2O6PN/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":"2026-08-05T08:03:10Z","links":{"resolver":"https://pith.science/pith/E5WTLI7WF5ZMB3PNRQ55R2O6PN","bundle":"https://pith.science/pith/E5WTLI7WF5ZMB3PNRQ55R2O6PN/bundle.json","state":"https://pith.science/pith/E5WTLI7WF5ZMB3PNRQ55R2O6PN/state.json","well_known_bundle":"https://pith.science/.well-known/pith/E5WTLI7WF5ZMB3PNRQ55R2O6PN/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:E5WTLI7WF5ZMB3PNRQ55R2O6PN","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":"38542b20e87d3a266f17d01662e6f2bd12617993a223cb2341536b64a6849128","cross_cats_sorted":["astro-ph.GA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2020-01-06T19:00:07Z","title_canon_sha256":"ca5c64953fde98a4335c73c1ba9beb79b4ec23da75146df8e850b2d8c9820d64"},"schema_version":"1.0","source":{"id":"2001.01731","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2001.01731","created_at":"2026-07-05T00:34:51Z"},{"alias_kind":"arxiv_version","alias_value":"2001.01731v1","created_at":"2026-07-05T00:34:51Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2001.01731","created_at":"2026-07-05T00:34:51Z"},{"alias_kind":"pith_short_12","alias_value":"E5WTLI7WF5ZM","created_at":"2026-07-05T00:34:51Z"},{"alias_kind":"pith_short_16","alias_value":"E5WTLI7WF5ZMB3PN","created_at":"2026-07-05T00:34:51Z"},{"alias_kind":"pith_short_8","alias_value":"E5WTLI7W","created_at":"2026-07-05T00:34:51Z"}],"graph_snapshots":[{"event_id":"sha256:c756a9d25d39ee82fa587ceed2fdd0c0c604e61bb429aff46364b401387733ed","target":"graph","created_at":"2026-07-05T00:34:51Z","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/2001.01731/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We present a detailed study of stellar rotation in the massive 1.5 Gyr old cluster NGC 1846 in the Large Magellanic Cloud. Similar to other clusters at this age, NGC 1846 shows an extended main sequence turn-off (eMSTO), and previous photometric studies have suggested it could be bimodal. In this study, we use MUSE integral-field spectroscopy to measure the projected rotational velocities (vsini) of around 1400 stars across the eMSTO and along the upper main sequence of NGC 1846. We measure vsini values up to ~250 km/s and find a clear relation between the vsini of a star and its location acro","authors_text":"Alessio Mucciarelli, Benjamin Giesers, Carmela Lardo, Christopher Usher, Cyril Georgy, David Yong, Dietrich Baade, Dougal Mackey, Fabian G\\\"ottgens, Gary Da Costa, Imants Platais, Ivan Cabrera-Ziri, Martin M. Roth, Maurizio Salaris, Michael Hilker, Nate Bastian, Sebastian Kamann, Selma E. de Mink, Seth Gossage, Silvia Martocchia, S{\\o}ren Larsen, Tim-Oliver Husser","cross_cats":["astro-ph.GA"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2020-01-06T19:00:07Z","title":"How stellar rotation shapes the colour magnitude diagram of the massive intermediate-age star cluster NGC 1846"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2001.01731","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":"sha256:5960f3b2d9e719401a7d70bb723e13b7e3d96dbedb083600c247d0e89bced283","target":"record","created_at":"2026-07-05T00:34:51Z","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":"38542b20e87d3a266f17d01662e6f2bd12617993a223cb2341536b64a6849128","cross_cats_sorted":["astro-ph.GA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2020-01-06T19:00:07Z","title_canon_sha256":"ca5c64953fde98a4335c73c1ba9beb79b4ec23da75146df8e850b2d8c9820d64"},"schema_version":"1.0","source":{"id":"2001.01731","kind":"arxiv","version":1}},"canonical_sha256":"276d35a3f62f72c0eded8c3bd8e9de7b7ad5c053e292e5c3c1894d1635d641fe","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"276d35a3f62f72c0eded8c3bd8e9de7b7ad5c053e292e5c3c1894d1635d641fe","first_computed_at":"2026-07-05T00:34:51.232171Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T00:34:51.232171Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"CQZzvN/sBYVVWolyeafol+nbWUIOcUkjU6VVE2WRB8thWuvwNEEp+eEofNvXk1FaMrG+cmczOmM7pMW+ywJtDQ==","signature_status":"signed_v1","signed_at":"2026-07-05T00:34:51.232714Z","signed_message":"canonical_sha256_bytes"},"source_id":"2001.01731","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5960f3b2d9e719401a7d70bb723e13b7e3d96dbedb083600c247d0e89bced283","sha256:c756a9d25d39ee82fa587ceed2fdd0c0c604e61bb429aff46364b401387733ed"],"state_sha256":"7abb1dce07d5fdc65581f7f7dee81be933ea8771ed39115bbeaafeebd21747ca"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Dpx79wI/UuaxpZAUroXNQFVIp7WhB5xZyVUzYWzGxHZ+nXaVzcRrFEcnf9VVMx1SYktiDI5mZV+OwdKCN2VgCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-05T08:03:10.059280Z","bundle_sha256":"e0728500db508d452d1633edc102d776f33bbeec29b1d00c13b30bdc0f71ccc1"}}