{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:FMQFBTKNZXLB5JPKB64RF56E2X","short_pith_number":"pith:FMQFBTKN","canonical_record":{"source":{"id":"1804.06441","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2018-04-17T19:17:05Z","cross_cats_sorted":[],"title_canon_sha256":"7fd940ee0ac8706d77d5976689f98c55b6948fc36de076a9b90ee35feb814145","abstract_canon_sha256":"8d0d224943afeb20df15b46332d7bb04483ee8bb2b653c784513b432d90527f5"},"schema_version":"1.0"},"canonical_sha256":"2b2050cd4dcdd61ea5ea0fb912f7c4d5f50be6e5c1564b403db3b61006cd6eb3","source":{"kind":"arxiv","id":"1804.06441","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1804.06441","created_at":"2026-05-18T00:08:07Z"},{"alias_kind":"arxiv_version","alias_value":"1804.06441v2","created_at":"2026-05-18T00:08:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1804.06441","created_at":"2026-05-18T00:08:07Z"},{"alias_kind":"pith_short_12","alias_value":"FMQFBTKNZXLB","created_at":"2026-05-18T12:32:22Z"},{"alias_kind":"pith_short_16","alias_value":"FMQFBTKNZXLB5JPK","created_at":"2026-05-18T12:32:22Z"},{"alias_kind":"pith_short_8","alias_value":"FMQFBTKN","created_at":"2026-05-18T12:32:22Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:FMQFBTKNZXLB5JPKB64RF56E2X","target":"record","payload":{"canonical_record":{"source":{"id":"1804.06441","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2018-04-17T19:17:05Z","cross_cats_sorted":[],"title_canon_sha256":"7fd940ee0ac8706d77d5976689f98c55b6948fc36de076a9b90ee35feb814145","abstract_canon_sha256":"8d0d224943afeb20df15b46332d7bb04483ee8bb2b653c784513b432d90527f5"},"schema_version":"1.0"},"canonical_sha256":"2b2050cd4dcdd61ea5ea0fb912f7c4d5f50be6e5c1564b403db3b61006cd6eb3","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:08:07.518771Z","signature_b64":"9nRvebHDsM0vSDfCipTFlx+xRRjKHsCFomJLgEpT0vNCwIAomrvo62KWec7lqx+XaLYxuyPUKyloNhVA35FCDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2b2050cd4dcdd61ea5ea0fb912f7c4d5f50be6e5c1564b403db3b61006cd6eb3","last_reissued_at":"2026-05-18T00:08:07.518126Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:08:07.518126Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1804.06441","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:08:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"JGjJOY9lcl7+heLUDu8muBsvnuaAWw9cXZ15glO/nqOIrz5SwSk65PxiEr7CEA+/Wcht06793NQLxYi6sJU0Dw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-27T15:16:31.451903Z"},"content_sha256":"4d998cb1b9812397a6f5aafc8ccc687850db2131adaf69543a874bd52315bba2","schema_version":"1.0","event_id":"sha256:4d998cb1b9812397a6f5aafc8ccc687850db2131adaf69543a874bd52315bba2"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:FMQFBTKNZXLB5JPKB64RF56E2X","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Age Determinations of the Hyades, Praesepe, and Pleiades via MESA Models with Rotation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"Aaron Dotter, Andrew Dolphin, Charlie Conroy, Jieun Choi, Philip Cargile, Philip Rosenfield, Seth Gossage","submitted_at":"2018-04-17T19:17:05Z","abstract_excerpt":"The Hyades, Praesepe, and Pleiades are well studied stellar clusters that anchor important secondary stellar age indicators. Recent studies have shown that main sequence turn off-based ages for these clusters may depend on the degree of rotation in the underlying stellar models. Rotation induces structural instabilities that can enhance the chemical mixing of a star, extending its fuel supply. In addition, rotation introduces a modulation of the star's observed magnitude and color due to the effects of gravity darkening. We aim to investigate the extent to which stellar rotation affects the ag"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1804.06441","kind":"arxiv","version":2},"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":"2026-05-18T00:08:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8tGsGBQ6FszPpnZTFuuxpBtJmfYrRojTECI0YNMUXRAcOn6rV+btkuM9PYrZuvIfw49MdFcZ5cqfHahJzJbHBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-27T15:16:31.452479Z"},"content_sha256":"2006ebe55394fdbe93a1101bf892443df77d30d81a462835e7f7db7d425b322a","schema_version":"1.0","event_id":"sha256:2006ebe55394fdbe93a1101bf892443df77d30d81a462835e7f7db7d425b322a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/FMQFBTKNZXLB5JPKB64RF56E2X/bundle.json","state_url":"https://pith.science/pith/FMQFBTKNZXLB5JPKB64RF56E2X/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/FMQFBTKNZXLB5JPKB64RF56E2X/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":"2026-06-27T15:16:31Z","links":{"resolver":"https://pith.science/pith/FMQFBTKNZXLB5JPKB64RF56E2X","bundle":"https://pith.science/pith/FMQFBTKNZXLB5JPKB64RF56E2X/bundle.json","state":"https://pith.science/pith/FMQFBTKNZXLB5JPKB64RF56E2X/state.json","well_known_bundle":"https://pith.science/.well-known/pith/FMQFBTKNZXLB5JPKB64RF56E2X/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:FMQFBTKNZXLB5JPKB64RF56E2X","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":"8d0d224943afeb20df15b46332d7bb04483ee8bb2b653c784513b432d90527f5","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2018-04-17T19:17:05Z","title_canon_sha256":"7fd940ee0ac8706d77d5976689f98c55b6948fc36de076a9b90ee35feb814145"},"schema_version":"1.0","source":{"id":"1804.06441","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1804.06441","created_at":"2026-05-18T00:08:07Z"},{"alias_kind":"arxiv_version","alias_value":"1804.06441v2","created_at":"2026-05-18T00:08:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1804.06441","created_at":"2026-05-18T00:08:07Z"},{"alias_kind":"pith_short_12","alias_value":"FMQFBTKNZXLB","created_at":"2026-05-18T12:32:22Z"},{"alias_kind":"pith_short_16","alias_value":"FMQFBTKNZXLB5JPK","created_at":"2026-05-18T12:32:22Z"},{"alias_kind":"pith_short_8","alias_value":"FMQFBTKN","created_at":"2026-05-18T12:32:22Z"}],"graph_snapshots":[{"event_id":"sha256:2006ebe55394fdbe93a1101bf892443df77d30d81a462835e7f7db7d425b322a","target":"graph","created_at":"2026-05-18T00:08:07Z","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":"The Hyades, Praesepe, and Pleiades are well studied stellar clusters that anchor important secondary stellar age indicators. Recent studies have shown that main sequence turn off-based ages for these clusters may depend on the degree of rotation in the underlying stellar models. Rotation induces structural instabilities that can enhance the chemical mixing of a star, extending its fuel supply. In addition, rotation introduces a modulation of the star's observed magnitude and color due to the effects of gravity darkening. We aim to investigate the extent to which stellar rotation affects the ag","authors_text":"Aaron Dotter, Andrew Dolphin, Charlie Conroy, Jieun Choi, Philip Cargile, Philip Rosenfield, Seth Gossage","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2018-04-17T19:17:05Z","title":"Age Determinations of the Hyades, Praesepe, and Pleiades via MESA Models with Rotation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1804.06441","kind":"arxiv","version":2},"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":"sha256:4d998cb1b9812397a6f5aafc8ccc687850db2131adaf69543a874bd52315bba2","target":"record","created_at":"2026-05-18T00:08:07Z","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":"8d0d224943afeb20df15b46332d7bb04483ee8bb2b653c784513b432d90527f5","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2018-04-17T19:17:05Z","title_canon_sha256":"7fd940ee0ac8706d77d5976689f98c55b6948fc36de076a9b90ee35feb814145"},"schema_version":"1.0","source":{"id":"1804.06441","kind":"arxiv","version":2}},"canonical_sha256":"2b2050cd4dcdd61ea5ea0fb912f7c4d5f50be6e5c1564b403db3b61006cd6eb3","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2b2050cd4dcdd61ea5ea0fb912f7c4d5f50be6e5c1564b403db3b61006cd6eb3","first_computed_at":"2026-05-18T00:08:07.518126Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:08:07.518126Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"9nRvebHDsM0vSDfCipTFlx+xRRjKHsCFomJLgEpT0vNCwIAomrvo62KWec7lqx+XaLYxuyPUKyloNhVA35FCDQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:08:07.518771Z","signed_message":"canonical_sha256_bytes"},"source_id":"1804.06441","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4d998cb1b9812397a6f5aafc8ccc687850db2131adaf69543a874bd52315bba2","sha256:2006ebe55394fdbe93a1101bf892443df77d30d81a462835e7f7db7d425b322a"],"state_sha256":"d42085379d4de960544c598e7040d5e417155607abf74c20887b4b6ac3731420"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"X7ebIaDRVJoKnykLSPRU4YJS56jVDF/2FkKYZm245eEbFxXxZXDtqRWMfPj/HHeQ0Q7jUJoDw+zaPHajRFaTBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-27T15:16:31.455035Z","bundle_sha256":"6282a4dddd7fc915bf5e561b5bfad160b1c8bfc0db713281d7c8066ec0cad5f8"}}