{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2008:X6YCXHKOXPPLM42PEA7R5XU3ND","short_pith_number":"pith:X6YCXHKO","canonical_record":{"source":{"id":"0805.0386","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-05-03T22:03:27Z","cross_cats_sorted":[],"title_canon_sha256":"e4e49dbd1f069be8e96e48f877709d363c95906e5f0088637cb5b114f8163f8c","abstract_canon_sha256":"5dde89556b4d0b66e42384d4cd5c0c24c5247c66b9e992f3f1ca19f2ffeb945b"},"schema_version":"1.0"},"canonical_sha256":"bfb02b9d4ebbdeb6734f203f1ede9b68da55fe44347aaf5d85753ea4089991c8","source":{"kind":"arxiv","id":"0805.0386","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0805.0386","created_at":"2026-07-04T17:10:37Z"},{"alias_kind":"arxiv_version","alias_value":"0805.0386v1","created_at":"2026-07-04T17:10:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0805.0386","created_at":"2026-07-04T17:10:37Z"},{"alias_kind":"pith_short_12","alias_value":"X6YCXHKOXPPL","created_at":"2026-07-04T17:10:37Z"},{"alias_kind":"pith_short_16","alias_value":"X6YCXHKOXPPLM42P","created_at":"2026-07-04T17:10:37Z"},{"alias_kind":"pith_short_8","alias_value":"X6YCXHKO","created_at":"2026-07-04T17:10:37Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2008:X6YCXHKOXPPLM42PEA7R5XU3ND","target":"record","payload":{"canonical_record":{"source":{"id":"0805.0386","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-05-03T22:03:27Z","cross_cats_sorted":[],"title_canon_sha256":"e4e49dbd1f069be8e96e48f877709d363c95906e5f0088637cb5b114f8163f8c","abstract_canon_sha256":"5dde89556b4d0b66e42384d4cd5c0c24c5247c66b9e992f3f1ca19f2ffeb945b"},"schema_version":"1.0"},"canonical_sha256":"bfb02b9d4ebbdeb6734f203f1ede9b68da55fe44347aaf5d85753ea4089991c8","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T17:10:37.000515Z","signature_b64":"4oEmiKSmZR5rBVRRnofjHkOB6FeTNUiW/DKDTRDxjWH/sa8Xpn1dV5nN2WOK0cU4LHFtxtL/geDUIhyNc+weCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"bfb02b9d4ebbdeb6734f203f1ede9b68da55fe44347aaf5d85753ea4089991c8","last_reissued_at":"2026-07-04T17:10:37.000021Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T17:10:37.000021Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0805.0386","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":"2026-07-04T17:10:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0rBv0+Hl5J7zHCHKydkSyhV/xiJcVKkUhk4igpIKjkRPCKw0cokbzhtu86OvQQTpAy08Vp5E0ROBXKN4a4uGDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T20:24:23.955328Z"},"content_sha256":"9387bee20c8164ba05c8f7a637c6768cc7d87f0761df18366876f2b376e2c22b","schema_version":"1.0","event_id":"sha256:9387bee20c8164ba05c8f7a637c6768cc7d87f0761df18366876f2b376e2c22b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2008:X6YCXHKOXPPLM42PEA7R5XU3ND","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Disk Dispersal and Planet Formation Time Scales","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"Lynne A. Hillenbrand","submitted_at":"2008-05-03T22:03:27Z","abstract_excerpt":"Well before the existence of exo-solar systems was confirmed, it was accepted knowledge that most -- if not all -- stars possess circumstellar material during the first one-to-several million years of their pre-main sequence lives, and thus that they commonly have the potential to form planets. Here I summarize current understanding regarding the evolution of proto-planetary dust and gas disks, emphasizing the diversity in evolutionary paths."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0805.0386","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/0805.0386/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":"2026-07-04T17:10:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9AZvnl/tXkE7UF1Hdg5huB1GDN4p4JXnhFQNDqgxHOdqz4rzceRo3FHs85Ys/pKPQW6h8NBFgdvYNxuuG25+CQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T20:24:23.955983Z"},"content_sha256":"ea3065aa61362d095897be7a20d56a824d938ab24f56b6722ab103f5df75992f","schema_version":"1.0","event_id":"sha256:ea3065aa61362d095897be7a20d56a824d938ab24f56b6722ab103f5df75992f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/X6YCXHKOXPPLM42PEA7R5XU3ND/bundle.json","state_url":"https://pith.science/pith/X6YCXHKOXPPLM42PEA7R5XU3ND/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/X6YCXHKOXPPLM42PEA7R5XU3ND/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":"2026-08-04T20:24:23Z","links":{"resolver":"https://pith.science/pith/X6YCXHKOXPPLM42PEA7R5XU3ND","bundle":"https://pith.science/pith/X6YCXHKOXPPLM42PEA7R5XU3ND/bundle.json","state":"https://pith.science/pith/X6YCXHKOXPPLM42PEA7R5XU3ND/state.json","well_known_bundle":"https://pith.science/.well-known/pith/X6YCXHKOXPPLM42PEA7R5XU3ND/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2008:X6YCXHKOXPPLM42PEA7R5XU3ND","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":"5dde89556b4d0b66e42384d4cd5c0c24c5247c66b9e992f3f1ca19f2ffeb945b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-05-03T22:03:27Z","title_canon_sha256":"e4e49dbd1f069be8e96e48f877709d363c95906e5f0088637cb5b114f8163f8c"},"schema_version":"1.0","source":{"id":"0805.0386","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0805.0386","created_at":"2026-07-04T17:10:37Z"},{"alias_kind":"arxiv_version","alias_value":"0805.0386v1","created_at":"2026-07-04T17:10:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0805.0386","created_at":"2026-07-04T17:10:37Z"},{"alias_kind":"pith_short_12","alias_value":"X6YCXHKOXPPL","created_at":"2026-07-04T17:10:37Z"},{"alias_kind":"pith_short_16","alias_value":"X6YCXHKOXPPLM42P","created_at":"2026-07-04T17:10:37Z"},{"alias_kind":"pith_short_8","alias_value":"X6YCXHKO","created_at":"2026-07-04T17:10:37Z"}],"graph_snapshots":[{"event_id":"sha256:ea3065aa61362d095897be7a20d56a824d938ab24f56b6722ab103f5df75992f","target":"graph","created_at":"2026-07-04T17:10:37Z","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/0805.0386/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Well before the existence of exo-solar systems was confirmed, it was accepted knowledge that most -- if not all -- stars possess circumstellar material during the first one-to-several million years of their pre-main sequence lives, and thus that they commonly have the potential to form planets. Here I summarize current understanding regarding the evolution of proto-planetary dust and gas disks, emphasizing the diversity in evolutionary paths.","authors_text":"Lynne A. Hillenbrand","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-05-03T22:03:27Z","title":"Disk Dispersal and Planet Formation Time Scales"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0805.0386","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":"sha256:9387bee20c8164ba05c8f7a637c6768cc7d87f0761df18366876f2b376e2c22b","target":"record","created_at":"2026-07-04T17:10:37Z","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":"5dde89556b4d0b66e42384d4cd5c0c24c5247c66b9e992f3f1ca19f2ffeb945b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-05-03T22:03:27Z","title_canon_sha256":"e4e49dbd1f069be8e96e48f877709d363c95906e5f0088637cb5b114f8163f8c"},"schema_version":"1.0","source":{"id":"0805.0386","kind":"arxiv","version":1}},"canonical_sha256":"bfb02b9d4ebbdeb6734f203f1ede9b68da55fe44347aaf5d85753ea4089991c8","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"bfb02b9d4ebbdeb6734f203f1ede9b68da55fe44347aaf5d85753ea4089991c8","first_computed_at":"2026-07-04T17:10:37.000021Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T17:10:37.000021Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"4oEmiKSmZR5rBVRRnofjHkOB6FeTNUiW/DKDTRDxjWH/sa8Xpn1dV5nN2WOK0cU4LHFtxtL/geDUIhyNc+weCQ==","signature_status":"signed_v1","signed_at":"2026-07-04T17:10:37.000515Z","signed_message":"canonical_sha256_bytes"},"source_id":"0805.0386","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9387bee20c8164ba05c8f7a637c6768cc7d87f0761df18366876f2b376e2c22b","sha256:ea3065aa61362d095897be7a20d56a824d938ab24f56b6722ab103f5df75992f"],"state_sha256":"6281d6a0c9714fe57a90f7cbd0779793c5c3f8ebee772e7b83d138d5c878ee47"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zeKTpibjHHErxezPihRPKSQa0Oktc2HKYyta8dDiQm72wG6v/Z860dO3hO0R4XFNw8i1JN4ASZ77NSKi1kcVDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-04T20:24:23.961147Z","bundle_sha256":"60d7958697e190ad6a1b172ad2f2a81ad869e1790ada40618c1af5ad3363b585"}}