{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:LTTNOFJZKAOBA7ESOK2K56O62U","short_pith_number":"pith:LTTNOFJZ","canonical_record":{"source":{"id":"1406.1568","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-bio.PE","submitted_at":"2014-06-06T02:03:54Z","cross_cats_sorted":["cs.CE","math.PR","math.ST","stat.TH"],"title_canon_sha256":"c4fa2d7187ec4a2240014fce2c21af1f69822408492f6f2e6ed2e8b83eb274b7","abstract_canon_sha256":"4cab496944bd5077b95a44ab83ac7753df342e3211f6a192656c521f62166477"},"schema_version":"1.0"},"canonical_sha256":"5ce6d71539501c107c9272b4aef9ded52e14051b9e9730625f87745ed84bc81a","source":{"kind":"arxiv","id":"1406.1568","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1406.1568","created_at":"2026-05-18T01:13:38Z"},{"alias_kind":"arxiv_version","alias_value":"1406.1568v3","created_at":"2026-05-18T01:13:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1406.1568","created_at":"2026-05-18T01:13:38Z"},{"alias_kind":"pith_short_12","alias_value":"LTTNOFJZKAOB","created_at":"2026-05-18T12:28:38Z"},{"alias_kind":"pith_short_16","alias_value":"LTTNOFJZKAOBA7ES","created_at":"2026-05-18T12:28:38Z"},{"alias_kind":"pith_short_8","alias_value":"LTTNOFJZ","created_at":"2026-05-18T12:28:38Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:LTTNOFJZKAOBA7ESOK2K56O62U","target":"record","payload":{"canonical_record":{"source":{"id":"1406.1568","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-bio.PE","submitted_at":"2014-06-06T02:03:54Z","cross_cats_sorted":["cs.CE","math.PR","math.ST","stat.TH"],"title_canon_sha256":"c4fa2d7187ec4a2240014fce2c21af1f69822408492f6f2e6ed2e8b83eb274b7","abstract_canon_sha256":"4cab496944bd5077b95a44ab83ac7753df342e3211f6a192656c521f62166477"},"schema_version":"1.0"},"canonical_sha256":"5ce6d71539501c107c9272b4aef9ded52e14051b9e9730625f87745ed84bc81a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:13:38.363533Z","signature_b64":"cw0DG3jzod6+jG2d68aWoAmgE3HrDZ41/8cAGnnSG8y1hZSTwpg44ov1VHx3Ya08x1f77jv3EJ5vwN7zH4FWBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5ce6d71539501c107c9272b4aef9ded52e14051b9e9730625f87745ed84bc81a","last_reissued_at":"2026-05-18T01:13:38.363079Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:13:38.363079Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1406.1568","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:13:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gT93Pgfpj8qDP+ZgHeug9YKdsiwl42viT7o77gdretekbPpHMqQRkV3tMhDRWz0cu/cMsX8SBMeXMsPMVRnvAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-24T21:02:44.309899Z"},"content_sha256":"c478d74ec793cca37564312d37f05682b5a6c21c97eca9a57780e83988f0b905","schema_version":"1.0","event_id":"sha256:c478d74ec793cca37564312d37f05682b5a6c21c97eca9a57780e83988f0b905"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:LTTNOFJZKAOBA7ESOK2K56O62U","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Phase transition on the convergence rate of parameter estimation under an Ornstein-Uhlenbeck diffusion on a tree","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.CE","math.PR","math.ST","stat.TH"],"primary_cat":"q-bio.PE","authors_text":"C\\'ecile An\\'e, Lam Si Tung Ho, Sebastien Roch","submitted_at":"2014-06-06T02:03:54Z","abstract_excerpt":"Diffusion processes on trees are commonly used in evolutionary biology to model the joint distribution of continuous traits, such as body mass, across species. Estimating the parameters of such processes from tip values presents challenges because of the intrinsic correlation between the observations produced by the shared evolutionary history, thus violating the standard independence assumption of large-sample theory. For instance Ho and An\\'e \\cite{HoAne13} recently proved that the mean (also known in this context as selection optimum) of an Ornstein-Uhlenbeck process on a tree cannot be est"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1406.1568","kind":"arxiv","version":3},"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":"2026-05-18T01:13:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mYv3XyottIDhIXilZrehEjOlSZrMdQB1nWGEFJcGZuTj856PONbM4ETm/8f1VlaDk6zgAR28H0iSLM1hO4jIBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-24T21:02:44.310604Z"},"content_sha256":"c79bd1b8178c7e89552e5d8b8a2e498456d63f7a8fd27acc9bffc0119e7f1051","schema_version":"1.0","event_id":"sha256:c79bd1b8178c7e89552e5d8b8a2e498456d63f7a8fd27acc9bffc0119e7f1051"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/LTTNOFJZKAOBA7ESOK2K56O62U/bundle.json","state_url":"https://pith.science/pith/LTTNOFJZKAOBA7ESOK2K56O62U/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/LTTNOFJZKAOBA7ESOK2K56O62U/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":"2026-05-24T21:02:44Z","links":{"resolver":"https://pith.science/pith/LTTNOFJZKAOBA7ESOK2K56O62U","bundle":"https://pith.science/pith/LTTNOFJZKAOBA7ESOK2K56O62U/bundle.json","state":"https://pith.science/pith/LTTNOFJZKAOBA7ESOK2K56O62U/state.json","well_known_bundle":"https://pith.science/.well-known/pith/LTTNOFJZKAOBA7ESOK2K56O62U/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:LTTNOFJZKAOBA7ESOK2K56O62U","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":"4cab496944bd5077b95a44ab83ac7753df342e3211f6a192656c521f62166477","cross_cats_sorted":["cs.CE","math.PR","math.ST","stat.TH"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-bio.PE","submitted_at":"2014-06-06T02:03:54Z","title_canon_sha256":"c4fa2d7187ec4a2240014fce2c21af1f69822408492f6f2e6ed2e8b83eb274b7"},"schema_version":"1.0","source":{"id":"1406.1568","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1406.1568","created_at":"2026-05-18T01:13:38Z"},{"alias_kind":"arxiv_version","alias_value":"1406.1568v3","created_at":"2026-05-18T01:13:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1406.1568","created_at":"2026-05-18T01:13:38Z"},{"alias_kind":"pith_short_12","alias_value":"LTTNOFJZKAOB","created_at":"2026-05-18T12:28:38Z"},{"alias_kind":"pith_short_16","alias_value":"LTTNOFJZKAOBA7ES","created_at":"2026-05-18T12:28:38Z"},{"alias_kind":"pith_short_8","alias_value":"LTTNOFJZ","created_at":"2026-05-18T12:28:38Z"}],"graph_snapshots":[{"event_id":"sha256:c79bd1b8178c7e89552e5d8b8a2e498456d63f7a8fd27acc9bffc0119e7f1051","target":"graph","created_at":"2026-05-18T01:13:38Z","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":"Diffusion processes on trees are commonly used in evolutionary biology to model the joint distribution of continuous traits, such as body mass, across species. Estimating the parameters of such processes from tip values presents challenges because of the intrinsic correlation between the observations produced by the shared evolutionary history, thus violating the standard independence assumption of large-sample theory. For instance Ho and An\\'e \\cite{HoAne13} recently proved that the mean (also known in this context as selection optimum) of an Ornstein-Uhlenbeck process on a tree cannot be est","authors_text":"C\\'ecile An\\'e, Lam Si Tung Ho, Sebastien Roch","cross_cats":["cs.CE","math.PR","math.ST","stat.TH"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-bio.PE","submitted_at":"2014-06-06T02:03:54Z","title":"Phase transition on the convergence rate of parameter estimation under an Ornstein-Uhlenbeck diffusion on a tree"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1406.1568","kind":"arxiv","version":3},"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:c478d74ec793cca37564312d37f05682b5a6c21c97eca9a57780e83988f0b905","target":"record","created_at":"2026-05-18T01:13:38Z","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":"4cab496944bd5077b95a44ab83ac7753df342e3211f6a192656c521f62166477","cross_cats_sorted":["cs.CE","math.PR","math.ST","stat.TH"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-bio.PE","submitted_at":"2014-06-06T02:03:54Z","title_canon_sha256":"c4fa2d7187ec4a2240014fce2c21af1f69822408492f6f2e6ed2e8b83eb274b7"},"schema_version":"1.0","source":{"id":"1406.1568","kind":"arxiv","version":3}},"canonical_sha256":"5ce6d71539501c107c9272b4aef9ded52e14051b9e9730625f87745ed84bc81a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5ce6d71539501c107c9272b4aef9ded52e14051b9e9730625f87745ed84bc81a","first_computed_at":"2026-05-18T01:13:38.363079Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:13:38.363079Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"cw0DG3jzod6+jG2d68aWoAmgE3HrDZ41/8cAGnnSG8y1hZSTwpg44ov1VHx3Ya08x1f77jv3EJ5vwN7zH4FWBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:13:38.363533Z","signed_message":"canonical_sha256_bytes"},"source_id":"1406.1568","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c478d74ec793cca37564312d37f05682b5a6c21c97eca9a57780e83988f0b905","sha256:c79bd1b8178c7e89552e5d8b8a2e498456d63f7a8fd27acc9bffc0119e7f1051"],"state_sha256":"cb421b8dd0afb4b15229ce4e533909f15a223844006f0a0c7624f8a2eb0ad87a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ANv+qim2974KX3S9oyu16fPKcsPpybYm85Qq9ry6Ei4HSC+HEwQYejlQOX2lxMu9KL7lBgxFU3pxHiLw9e+LCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-24T21:02:44.314333Z","bundle_sha256":"0fcc7f211b93334b8853db371511bf58a68e71c085d21ffc742b8bd3e60b37c4"}}