{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2005:MWN4RUD2LRVGLNH6HJCNBQECIO","short_pith_number":"pith:MWN4RUD2","canonical_record":{"source":{"id":"astro-ph/0508009","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2005-07-30T11:46:22Z","cross_cats_sorted":[],"title_canon_sha256":"438cfc0e8f321d529279f671677b224b6d583edaf261ce56a37da607e7b706e3","abstract_canon_sha256":"5b64471e446bbcf55f25e2da0219dbb9d173b42d78a6cf1716ffa97a2c551a18"},"schema_version":"1.0"},"canonical_sha256":"659bc8d07a5c6a65b4fe3a44d0c08243b1247242899791d162a040855afe1e6b","source":{"kind":"arxiv","id":"astro-ph/0508009","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0508009","created_at":"2026-07-04T17:14:57Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0508009v1","created_at":"2026-07-04T17:14:57Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0508009","created_at":"2026-07-04T17:14:57Z"},{"alias_kind":"pith_short_12","alias_value":"MWN4RUD2LRVG","created_at":"2026-07-04T17:14:57Z"},{"alias_kind":"pith_short_16","alias_value":"MWN4RUD2LRVGLNH6","created_at":"2026-07-04T17:14:57Z"},{"alias_kind":"pith_short_8","alias_value":"MWN4RUD2","created_at":"2026-07-04T17:14:57Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2005:MWN4RUD2LRVGLNH6HJCNBQECIO","target":"record","payload":{"canonical_record":{"source":{"id":"astro-ph/0508009","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2005-07-30T11:46:22Z","cross_cats_sorted":[],"title_canon_sha256":"438cfc0e8f321d529279f671677b224b6d583edaf261ce56a37da607e7b706e3","abstract_canon_sha256":"5b64471e446bbcf55f25e2da0219dbb9d173b42d78a6cf1716ffa97a2c551a18"},"schema_version":"1.0"},"canonical_sha256":"659bc8d07a5c6a65b4fe3a44d0c08243b1247242899791d162a040855afe1e6b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T17:14:57.286916Z","signature_b64":"MCVyabB3C91F4NjxbnFn++QHn28x//hUupjA3esNCHO3TtTl2gFugoMDX660TUhayq447JiyF9WckosTX2PsCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"659bc8d07a5c6a65b4fe3a44d0c08243b1247242899791d162a040855afe1e6b","last_reissued_at":"2026-07-04T17:14:57.286520Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T17:14:57.286520Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"astro-ph/0508009","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":"2026-07-04T17:14:57Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"yi3SII7EuiHenduCrZSUvWQTcoUQZvfBmoOODIDQkMF2mve15gb220omQCKl5UqZy3ehtuR2EtFy2YUjmUYlBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-06T13:51:25.980985Z"},"content_sha256":"b8528a28b191ba9d03489defc3531fb1423d74ff347e8707547822a82741025c","schema_version":"1.0","event_id":"sha256:b8528a28b191ba9d03489defc3531fb1423d74ff347e8707547822a82741025c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2005:MWN4RUD2LRVGLNH6HJCNBQECIO","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Rotational Evolution of Solar-Like Stars in Clusters from Pre-Main Sequence to Main Sequence: Empirical Results","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"R. Mundt, W. Herbst","submitted_at":"2005-07-30T11:46:22Z","abstract_excerpt":"Rotation periods are now available for ~500 pre-main sequence and recently arrived main sequence stars of solar-like mass (0.4-1.2 M_sun) in five nearby young clusters: the Orion Nebula Cluster, NGC 2264, alpha Per, IC 2602 and the Pleiades. In combination with estimates of stellar radii these data allow us to construct distributions of surface angular momentum per unit mass at three different epochs: nominally, 1, 2 and 50 My. Our main result is illustrated in Fig. 18 and may be summarized as follows: (1) 50-60% of the stars on convective tracks in this mass range are released from any lockin"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0508009","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/astro-ph/0508009/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":"2026-07-04T17:14:57Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"D5wGoXOFNIVT1gh0nAeB8OMMMJ2E/wENsmp2mGfE5tBvH1BVJXCxeuAHuU79sHsEr4QGM76T8UbUYLjz1vAHCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-06T13:51:25.981355Z"},"content_sha256":"ebbd47100ce6b9f15647a4faae88e1fa3d58874ea5d24ee0c2a3ec97e483e76f","schema_version":"1.0","event_id":"sha256:ebbd47100ce6b9f15647a4faae88e1fa3d58874ea5d24ee0c2a3ec97e483e76f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/MWN4RUD2LRVGLNH6HJCNBQECIO/bundle.json","state_url":"https://pith.science/pith/MWN4RUD2LRVGLNH6HJCNBQECIO/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/MWN4RUD2LRVGLNH6HJCNBQECIO/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":"2026-07-06T13:51:25Z","links":{"resolver":"https://pith.science/pith/MWN4RUD2LRVGLNH6HJCNBQECIO","bundle":"https://pith.science/pith/MWN4RUD2LRVGLNH6HJCNBQECIO/bundle.json","state":"https://pith.science/pith/MWN4RUD2LRVGLNH6HJCNBQECIO/state.json","well_known_bundle":"https://pith.science/.well-known/pith/MWN4RUD2LRVGLNH6HJCNBQECIO/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2005:MWN4RUD2LRVGLNH6HJCNBQECIO","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":"5b64471e446bbcf55f25e2da0219dbb9d173b42d78a6cf1716ffa97a2c551a18","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2005-07-30T11:46:22Z","title_canon_sha256":"438cfc0e8f321d529279f671677b224b6d583edaf261ce56a37da607e7b706e3"},"schema_version":"1.0","source":{"id":"astro-ph/0508009","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0508009","created_at":"2026-07-04T17:14:57Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0508009v1","created_at":"2026-07-04T17:14:57Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0508009","created_at":"2026-07-04T17:14:57Z"},{"alias_kind":"pith_short_12","alias_value":"MWN4RUD2LRVG","created_at":"2026-07-04T17:14:57Z"},{"alias_kind":"pith_short_16","alias_value":"MWN4RUD2LRVGLNH6","created_at":"2026-07-04T17:14:57Z"},{"alias_kind":"pith_short_8","alias_value":"MWN4RUD2","created_at":"2026-07-04T17:14:57Z"}],"graph_snapshots":[{"event_id":"sha256:ebbd47100ce6b9f15647a4faae88e1fa3d58874ea5d24ee0c2a3ec97e483e76f","target":"graph","created_at":"2026-07-04T17:14:57Z","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/astro-ph/0508009/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Rotation periods are now available for ~500 pre-main sequence and recently arrived main sequence stars of solar-like mass (0.4-1.2 M_sun) in five nearby young clusters: the Orion Nebula Cluster, NGC 2264, alpha Per, IC 2602 and the Pleiades. In combination with estimates of stellar radii these data allow us to construct distributions of surface angular momentum per unit mass at three different epochs: nominally, 1, 2 and 50 My. Our main result is illustrated in Fig. 18 and may be summarized as follows: (1) 50-60% of the stars on convective tracks in this mass range are released from any lockin","authors_text":"R. Mundt, W. Herbst","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2005-07-30T11:46:22Z","title":"Rotational Evolution of Solar-Like Stars in Clusters from Pre-Main Sequence to Main Sequence: Empirical Results"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0508009","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:b8528a28b191ba9d03489defc3531fb1423d74ff347e8707547822a82741025c","target":"record","created_at":"2026-07-04T17:14:57Z","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":"5b64471e446bbcf55f25e2da0219dbb9d173b42d78a6cf1716ffa97a2c551a18","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2005-07-30T11:46:22Z","title_canon_sha256":"438cfc0e8f321d529279f671677b224b6d583edaf261ce56a37da607e7b706e3"},"schema_version":"1.0","source":{"id":"astro-ph/0508009","kind":"arxiv","version":1}},"canonical_sha256":"659bc8d07a5c6a65b4fe3a44d0c08243b1247242899791d162a040855afe1e6b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"659bc8d07a5c6a65b4fe3a44d0c08243b1247242899791d162a040855afe1e6b","first_computed_at":"2026-07-04T17:14:57.286520Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T17:14:57.286520Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"MCVyabB3C91F4NjxbnFn++QHn28x//hUupjA3esNCHO3TtTl2gFugoMDX660TUhayq447JiyF9WckosTX2PsCA==","signature_status":"signed_v1","signed_at":"2026-07-04T17:14:57.286916Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/0508009","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b8528a28b191ba9d03489defc3531fb1423d74ff347e8707547822a82741025c","sha256:ebbd47100ce6b9f15647a4faae88e1fa3d58874ea5d24ee0c2a3ec97e483e76f"],"state_sha256":"081f6aa4cd4b418f9021bac4900130c5bc1583b4f38a12a1bdf5d0b9dfeb80d8"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"X0WUvQRli/Nk0I/DHnFhX8d95MIJTuhR433gHpCNRZyTfuL1ul8JmJji+vlfWQRSzYHW2Jo8A4ci1z2d9MkNAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-06T13:51:25.983253Z","bundle_sha256":"c20dcfa1141ef06f68e38c37eb0a32eee0d2c8786798088c05765e1e49a42e16"}}