{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2003:BECT2HAF64KPLAXIELL3N56T7R","short_pith_number":"pith:BECT2HAF","canonical_record":{"source":{"id":"astro-ph/0308261","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2003-08-14T22:27:52Z","cross_cats_sorted":[],"title_canon_sha256":"aed5fe2a57c26d4a9af7de677850e5b21460ce7197178a3e7175b321b42d4a22","abstract_canon_sha256":"abe5c0c211a400638f14e2278a670011b8af049736cb983402a3a9eeeda45eec"},"schema_version":"1.0"},"canonical_sha256":"09053d1c05f714f582e822d7b6f7d3fc4302f8f787bcbc87cec43e15acd315d5","source":{"kind":"arxiv","id":"astro-ph/0308261","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0308261","created_at":"2026-07-04T16:51:28Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0308261v1","created_at":"2026-07-04T16:51:28Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0308261","created_at":"2026-07-04T16:51:28Z"},{"alias_kind":"pith_short_12","alias_value":"BECT2HAF64KP","created_at":"2026-07-04T16:51:28Z"},{"alias_kind":"pith_short_16","alias_value":"BECT2HAF64KPLAXI","created_at":"2026-07-04T16:51:28Z"},{"alias_kind":"pith_short_8","alias_value":"BECT2HAF","created_at":"2026-07-04T16:51:28Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2003:BECT2HAF64KPLAXIELL3N56T7R","target":"record","payload":{"canonical_record":{"source":{"id":"astro-ph/0308261","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2003-08-14T22:27:52Z","cross_cats_sorted":[],"title_canon_sha256":"aed5fe2a57c26d4a9af7de677850e5b21460ce7197178a3e7175b321b42d4a22","abstract_canon_sha256":"abe5c0c211a400638f14e2278a670011b8af049736cb983402a3a9eeeda45eec"},"schema_version":"1.0"},"canonical_sha256":"09053d1c05f714f582e822d7b6f7d3fc4302f8f787bcbc87cec43e15acd315d5","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T16:51:28.480387Z","signature_b64":"BsYfDtrnQW9Un4wSrH+mOfF8aOyrWJuJo5mIOOvpkEF8zY2Bq1Qt/xfHvl/Xv1tH8dRwDSJrwR4hKCqaK9KyBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"09053d1c05f714f582e822d7b6f7d3fc4302f8f787bcbc87cec43e15acd315d5","last_reissued_at":"2026-07-04T16:51:28.480007Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T16:51:28.480007Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"astro-ph/0308261","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":"2026-07-04T16:51:28Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BE36UpZwniZfPFW5O2yjVARLIHwn2ft1kTuAJgYeVSgPHx+Zfg0aiPWFqJLDEZv3hlk8IwW0pJgtvmZ0brJpCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-16T10:52:37.412561Z"},"content_sha256":"975da0e19e6544e29dbf3c1d456697791f85721aa9eb5a24b69784f44ddeba30","schema_version":"1.0","event_id":"sha256:975da0e19e6544e29dbf3c1d456697791f85721aa9eb5a24b69784f44ddeba30"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2003:BECT2HAF64KPLAXIELL3N56T7R","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The White Dwarf Deficit in Open Clusters: Dynamical Processes","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"AZ), CA; (2) Institute of Astronomy, Cambridge, D.N.C. Lin (1), K.A. Williams (3) ((1) UCO/Lick Observatory, M. Bolte (1), M. Fellhauer (1), Santa Cruz, S.J. Aarseth (2), Tucson, UK; (3) Steward Observatory","submitted_at":"2003-08-14T22:27:52Z","abstract_excerpt":"In Galactic open clusters, there is an apparent paucity of white dwarfs compared to the number expected assuming a reasonable initial mass function and that main-sequence stars with initial mass <= 8 M_sun become white dwarfs. We suggest that this lack of white dwarfs is due at least in part to dynamical processes. Non-spherically symmetric mass loss during the post-main-sequence evolution would lead to a few km/s isotropic recoil speed for the white dwarf remnant. This recoil speed can cause a substantial fraction of the white dwarfs formed in a cluster to leave the system. We investigate thi"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0308261","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/0308261/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":"2026-07-04T16:51:28Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CgjWuINAgcE4y/WhoAqDTy6Pm3yMB1r+rv2etQ58RWpmUrHObPjNesJHxZK2O3c6sG7Ibgh+BARvVKEXv6KLBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-16T10:52:37.413676Z"},"content_sha256":"a76b039c52d1f2c329daa8114b5b9d3b743e68a303781a390522fcdf5a0041bf","schema_version":"1.0","event_id":"sha256:a76b039c52d1f2c329daa8114b5b9d3b743e68a303781a390522fcdf5a0041bf"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/BECT2HAF64KPLAXIELL3N56T7R/bundle.json","state_url":"https://pith.science/pith/BECT2HAF64KPLAXIELL3N56T7R/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/BECT2HAF64KPLAXIELL3N56T7R/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":"2026-08-16T10:52:37Z","links":{"resolver":"https://pith.science/pith/BECT2HAF64KPLAXIELL3N56T7R","bundle":"https://pith.science/pith/BECT2HAF64KPLAXIELL3N56T7R/bundle.json","state":"https://pith.science/pith/BECT2HAF64KPLAXIELL3N56T7R/state.json","well_known_bundle":"https://pith.science/.well-known/pith/BECT2HAF64KPLAXIELL3N56T7R/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2003:BECT2HAF64KPLAXIELL3N56T7R","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":"abe5c0c211a400638f14e2278a670011b8af049736cb983402a3a9eeeda45eec","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2003-08-14T22:27:52Z","title_canon_sha256":"aed5fe2a57c26d4a9af7de677850e5b21460ce7197178a3e7175b321b42d4a22"},"schema_version":"1.0","source":{"id":"astro-ph/0308261","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0308261","created_at":"2026-07-04T16:51:28Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0308261v1","created_at":"2026-07-04T16:51:28Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0308261","created_at":"2026-07-04T16:51:28Z"},{"alias_kind":"pith_short_12","alias_value":"BECT2HAF64KP","created_at":"2026-07-04T16:51:28Z"},{"alias_kind":"pith_short_16","alias_value":"BECT2HAF64KPLAXI","created_at":"2026-07-04T16:51:28Z"},{"alias_kind":"pith_short_8","alias_value":"BECT2HAF","created_at":"2026-07-04T16:51:28Z"}],"graph_snapshots":[{"event_id":"sha256:a76b039c52d1f2c329daa8114b5b9d3b743e68a303781a390522fcdf5a0041bf","target":"graph","created_at":"2026-07-04T16:51:28Z","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/0308261/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"In Galactic open clusters, there is an apparent paucity of white dwarfs compared to the number expected assuming a reasonable initial mass function and that main-sequence stars with initial mass <= 8 M_sun become white dwarfs. We suggest that this lack of white dwarfs is due at least in part to dynamical processes. Non-spherically symmetric mass loss during the post-main-sequence evolution would lead to a few km/s isotropic recoil speed for the white dwarf remnant. This recoil speed can cause a substantial fraction of the white dwarfs formed in a cluster to leave the system. We investigate thi","authors_text":"AZ), CA; (2) Institute of Astronomy, Cambridge, D.N.C. Lin (1), K.A. Williams (3) ((1) UCO/Lick Observatory, M. Bolte (1), M. Fellhauer (1), Santa Cruz, S.J. Aarseth (2), Tucson, UK; (3) Steward Observatory","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2003-08-14T22:27:52Z","title":"The White Dwarf Deficit in Open Clusters: Dynamical Processes"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0308261","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":"sha256:975da0e19e6544e29dbf3c1d456697791f85721aa9eb5a24b69784f44ddeba30","target":"record","created_at":"2026-07-04T16:51:28Z","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":"abe5c0c211a400638f14e2278a670011b8af049736cb983402a3a9eeeda45eec","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2003-08-14T22:27:52Z","title_canon_sha256":"aed5fe2a57c26d4a9af7de677850e5b21460ce7197178a3e7175b321b42d4a22"},"schema_version":"1.0","source":{"id":"astro-ph/0308261","kind":"arxiv","version":1}},"canonical_sha256":"09053d1c05f714f582e822d7b6f7d3fc4302f8f787bcbc87cec43e15acd315d5","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"09053d1c05f714f582e822d7b6f7d3fc4302f8f787bcbc87cec43e15acd315d5","first_computed_at":"2026-07-04T16:51:28.480007Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T16:51:28.480007Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"BsYfDtrnQW9Un4wSrH+mOfF8aOyrWJuJo5mIOOvpkEF8zY2Bq1Qt/xfHvl/Xv1tH8dRwDSJrwR4hKCqaK9KyBQ==","signature_status":"signed_v1","signed_at":"2026-07-04T16:51:28.480387Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/0308261","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:975da0e19e6544e29dbf3c1d456697791f85721aa9eb5a24b69784f44ddeba30","sha256:a76b039c52d1f2c329daa8114b5b9d3b743e68a303781a390522fcdf5a0041bf"],"state_sha256":"41804ddb9bd36c97692a8326053d11d828185bc46a95c7fc458b3d5ffed8eb46"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QqMDCNgaOB2mPwMQjG/R19CXB+uvI0xPBc8OUomZILTZSMqmfAfVaskZvssXcgoWaTzfqcGphwZZbGVklN4fDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-16T10:52:37.420705Z","bundle_sha256":"462693dc59441a184b5754f907faa6e97ee1c53ece00e87587c6868399edebe6"}}