{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:MTIE4MBPHUGHVNOYRJESHFFYDE","short_pith_number":"pith:MTIE4MBP","canonical_record":{"source":{"id":"1401.5062","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2014-01-20T21:00:03Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"718d087322109801e3b762202e5dcaaa7a0c05d2bcfb3446a39d5d1ddd92ea87","abstract_canon_sha256":"75fd8d754bbf227448238e420f82da95c0beb1c6c9cc33f94942df4391bbeba1"},"schema_version":"1.0"},"canonical_sha256":"64d04e302f3d0c7ab5d88a492394b81913243b5278412cf0dfeae90d27da3217","source":{"kind":"arxiv","id":"1401.5062","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1401.5062","created_at":"2026-05-18T01:45:18Z"},{"alias_kind":"arxiv_version","alias_value":"1401.5062v1","created_at":"2026-05-18T01:45:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1401.5062","created_at":"2026-05-18T01:45:18Z"},{"alias_kind":"pith_short_12","alias_value":"MTIE4MBPHUGH","created_at":"2026-05-18T12:28:38Z"},{"alias_kind":"pith_short_16","alias_value":"MTIE4MBPHUGHVNOY","created_at":"2026-05-18T12:28:38Z"},{"alias_kind":"pith_short_8","alias_value":"MTIE4MBP","created_at":"2026-05-18T12:28:38Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:MTIE4MBPHUGHVNOYRJESHFFYDE","target":"record","payload":{"canonical_record":{"source":{"id":"1401.5062","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2014-01-20T21:00:03Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"718d087322109801e3b762202e5dcaaa7a0c05d2bcfb3446a39d5d1ddd92ea87","abstract_canon_sha256":"75fd8d754bbf227448238e420f82da95c0beb1c6c9cc33f94942df4391bbeba1"},"schema_version":"1.0"},"canonical_sha256":"64d04e302f3d0c7ab5d88a492394b81913243b5278412cf0dfeae90d27da3217","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:45:18.802520Z","signature_b64":"fRT/RO6tn4y6xuuCyuStrP/hsAWCmtyPc++whPAjW1soAoVQkP5BlYbwCFHuLKRJ7Hm4WGVGWvBZjHh7zTlQAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"64d04e302f3d0c7ab5d88a492394b81913243b5278412cf0dfeae90d27da3217","last_reissued_at":"2026-05-18T01:45:18.801924Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:45:18.801924Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1401.5062","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":"2026-05-18T01:45:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hc7dskcl5uWcedmPkQpggZLGSq61D9HYDcasY3PcfxsW1oXXRdie3W47oPD6t/glCHQ0wGfES638cZls257VBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T22:56:02.691190Z"},"content_sha256":"6c205179f660b3e04f6b7726e0aea47626f079ca283bdfc73051bca0a3f92527","schema_version":"1.0","event_id":"sha256:6c205179f660b3e04f6b7726e0aea47626f079ca283bdfc73051bca0a3f92527"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:MTIE4MBPHUGHVNOYRJESHFFYDE","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Strong Biases in Estimating the Time Dependence of Mass Accretion Rates in Young Stars","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.SR","authors_text":"Carlo F. Manara, Massimo Robberto, Nicola Da Rio, Rob D. Jeffries","submitted_at":"2014-01-20T21:00:03Z","abstract_excerpt":"The temporal decay of mass accretion in young stars is a fundamental tracer of the early evolution of circumstellar disks. Through population syntheses, we study how correlated uncertainties between the estimated parameters of young stars (luminosity, temperature, mass, age) and mass accretion rates Mdot, as well as observational selection effects, can bias the temporal decay of mass accretion rates (Mdot t^-eta) inferred from a comparison of measured Mdot with isochronal ages in young stellar clusters. We find that the presence of realistic uncertainties reduces the measured value of eta by u"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1401.5062","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":""},"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":"2026-05-18T01:45:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"722q52grGRA6LeqOiA3VN9Ax7ypPH42SCwRQ004QG4ZyiqopFacrnsZa5wM8h2o7lgoFaLqE1Jio9E9FrfhoAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T22:56:02.691822Z"},"content_sha256":"4bc750ebb7158a6c097c942c6af6f1ed7c785be648a0ffd74d74481b31a67a49","schema_version":"1.0","event_id":"sha256:4bc750ebb7158a6c097c942c6af6f1ed7c785be648a0ffd74d74481b31a67a49"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/MTIE4MBPHUGHVNOYRJESHFFYDE/bundle.json","state_url":"https://pith.science/pith/MTIE4MBPHUGHVNOYRJESHFFYDE/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/MTIE4MBPHUGHVNOYRJESHFFYDE/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":"2026-05-28T22:56:02Z","links":{"resolver":"https://pith.science/pith/MTIE4MBPHUGHVNOYRJESHFFYDE","bundle":"https://pith.science/pith/MTIE4MBPHUGHVNOYRJESHFFYDE/bundle.json","state":"https://pith.science/pith/MTIE4MBPHUGHVNOYRJESHFFYDE/state.json","well_known_bundle":"https://pith.science/.well-known/pith/MTIE4MBPHUGHVNOYRJESHFFYDE/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:MTIE4MBPHUGHVNOYRJESHFFYDE","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":"75fd8d754bbf227448238e420f82da95c0beb1c6c9cc33f94942df4391bbeba1","cross_cats_sorted":["astro-ph.GA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2014-01-20T21:00:03Z","title_canon_sha256":"718d087322109801e3b762202e5dcaaa7a0c05d2bcfb3446a39d5d1ddd92ea87"},"schema_version":"1.0","source":{"id":"1401.5062","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1401.5062","created_at":"2026-05-18T01:45:18Z"},{"alias_kind":"arxiv_version","alias_value":"1401.5062v1","created_at":"2026-05-18T01:45:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1401.5062","created_at":"2026-05-18T01:45:18Z"},{"alias_kind":"pith_short_12","alias_value":"MTIE4MBPHUGH","created_at":"2026-05-18T12:28:38Z"},{"alias_kind":"pith_short_16","alias_value":"MTIE4MBPHUGHVNOY","created_at":"2026-05-18T12:28:38Z"},{"alias_kind":"pith_short_8","alias_value":"MTIE4MBP","created_at":"2026-05-18T12:28:38Z"}],"graph_snapshots":[{"event_id":"sha256:4bc750ebb7158a6c097c942c6af6f1ed7c785be648a0ffd74d74481b31a67a49","target":"graph","created_at":"2026-05-18T01:45:18Z","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 temporal decay of mass accretion in young stars is a fundamental tracer of the early evolution of circumstellar disks. Through population syntheses, we study how correlated uncertainties between the estimated parameters of young stars (luminosity, temperature, mass, age) and mass accretion rates Mdot, as well as observational selection effects, can bias the temporal decay of mass accretion rates (Mdot t^-eta) inferred from a comparison of measured Mdot with isochronal ages in young stellar clusters. We find that the presence of realistic uncertainties reduces the measured value of eta by u","authors_text":"Carlo F. Manara, Massimo Robberto, Nicola Da Rio, Rob D. Jeffries","cross_cats":["astro-ph.GA"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2014-01-20T21:00:03Z","title":"Strong Biases in Estimating the Time Dependence of Mass Accretion Rates in Young Stars"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1401.5062","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":"sha256:6c205179f660b3e04f6b7726e0aea47626f079ca283bdfc73051bca0a3f92527","target":"record","created_at":"2026-05-18T01:45:18Z","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":"75fd8d754bbf227448238e420f82da95c0beb1c6c9cc33f94942df4391bbeba1","cross_cats_sorted":["astro-ph.GA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2014-01-20T21:00:03Z","title_canon_sha256":"718d087322109801e3b762202e5dcaaa7a0c05d2bcfb3446a39d5d1ddd92ea87"},"schema_version":"1.0","source":{"id":"1401.5062","kind":"arxiv","version":1}},"canonical_sha256":"64d04e302f3d0c7ab5d88a492394b81913243b5278412cf0dfeae90d27da3217","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"64d04e302f3d0c7ab5d88a492394b81913243b5278412cf0dfeae90d27da3217","first_computed_at":"2026-05-18T01:45:18.801924Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:45:18.801924Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"fRT/RO6tn4y6xuuCyuStrP/hsAWCmtyPc++whPAjW1soAoVQkP5BlYbwCFHuLKRJ7Hm4WGVGWvBZjHh7zTlQAg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:45:18.802520Z","signed_message":"canonical_sha256_bytes"},"source_id":"1401.5062","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6c205179f660b3e04f6b7726e0aea47626f079ca283bdfc73051bca0a3f92527","sha256:4bc750ebb7158a6c097c942c6af6f1ed7c785be648a0ffd74d74481b31a67a49"],"state_sha256":"82b0fb88fee1b939bb5073bb3c280b6100963ea32492c55128b2c54b5ee64cca"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2YJqLYoznEKyF3PeItTgkCmou+0cdeN4Ce8Kurub2hk1u6MvkoB8XszIpIeQe168+d+N8v0tim+Z/444Mgj3DQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T22:56:02.695390Z","bundle_sha256":"b68e22dd78c5db714d6b31ecbdde9d911d4ad9c488da724d87dbe23bc12a1f2e"}}