{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:IH572U2BBZCS6E2RFO6KGETKAX","short_pith_number":"pith:IH572U2B","canonical_record":{"source":{"id":"1312.2386","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-bio.PE","submitted_at":"2013-12-09T11:17:55Z","cross_cats_sorted":[],"title_canon_sha256":"1545c51aec79f1e72f3f27013eb402d3899dffd2435c52e680656884eeafbea2","abstract_canon_sha256":"2e84258fb6153a70333299726717d926cb60b63bd5a52495731d1f2d7bea2477"},"schema_version":"1.0"},"canonical_sha256":"41fbfd53410e452f13512bbca3126a05e4b15bd4fc7d6dc65655cf68c68098a0","source":{"kind":"arxiv","id":"1312.2386","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1312.2386","created_at":"2026-05-18T03:05:10Z"},{"alias_kind":"arxiv_version","alias_value":"1312.2386v1","created_at":"2026-05-18T03:05:10Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1312.2386","created_at":"2026-05-18T03:05:10Z"},{"alias_kind":"pith_short_12","alias_value":"IH572U2BBZCS","created_at":"2026-05-18T12:27:46Z"},{"alias_kind":"pith_short_16","alias_value":"IH572U2BBZCS6E2R","created_at":"2026-05-18T12:27:46Z"},{"alias_kind":"pith_short_8","alias_value":"IH572U2B","created_at":"2026-05-18T12:27:46Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:IH572U2BBZCS6E2RFO6KGETKAX","target":"record","payload":{"canonical_record":{"source":{"id":"1312.2386","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-bio.PE","submitted_at":"2013-12-09T11:17:55Z","cross_cats_sorted":[],"title_canon_sha256":"1545c51aec79f1e72f3f27013eb402d3899dffd2435c52e680656884eeafbea2","abstract_canon_sha256":"2e84258fb6153a70333299726717d926cb60b63bd5a52495731d1f2d7bea2477"},"schema_version":"1.0"},"canonical_sha256":"41fbfd53410e452f13512bbca3126a05e4b15bd4fc7d6dc65655cf68c68098a0","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:05:10.373007Z","signature_b64":"Do2Kpr8WnGzpkonJphePtLMr4zM3lMZFQof7C2sohfro+WCuU2LA505vqmcWlmJ6/ubJP8m2ZPWhaY/MiYAcBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"41fbfd53410e452f13512bbca3126a05e4b15bd4fc7d6dc65655cf68c68098a0","last_reissued_at":"2026-05-18T03:05:10.372526Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:05:10.372526Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1312.2386","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":"2026-05-18T03:05:10Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2xXqeht2QY21xbEDx1UOrUspYI7v0XeAkpklYp5301ljtmFljbqVB/mJP2qbfqIhUFGK3eGVbQOJCtOHy6NAAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T08:19:46.279784Z"},"content_sha256":"f12fcef590b94b7c079878593f01fb8b9a667ede86bd99c05b69c399d49105f0","schema_version":"1.0","event_id":"sha256:f12fcef590b94b7c079878593f01fb8b9a667ede86bd99c05b69c399d49105f0"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:IH572U2BBZCS6E2RFO6KGETKAX","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Probabilistic Graphical Model Representation in Phylogenetics","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"q-bio.PE","authors_text":"Bastien Boussau, Fredrik Ronquist, John P. Huelsenbeck, Michael J. Landis, Sebastian H\\\"ohna, Tracy A. Heath","submitted_at":"2013-12-09T11:17:55Z","abstract_excerpt":"Recent years have seen a rapid expansion of the model space explored in statistical phylogenetics, emphasizing the need for new approaches to statistical model representation and software development. Clear communication and representation of the chosen model is crucial for: (1) reproducibility of an analysis, (2) model development and (3) software design. Moreover, a unified, clear and understandable framework for model representation lowers the barrier for beginners and non-specialists to grasp complex phylogenetic models, including their assumptions and parameter/variable dependencies.\n  Gr"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1312.2386","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":"2026-05-18T03:05:10Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"V8twPb+uA0VlgFbIwj/hq0zLxVNGB4i892orx2TKk8FM87mwEVYtfpn/vpRB/QD1AGGz2sSKoWL5s3UMFgVOCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T08:19:46.280130Z"},"content_sha256":"92c4a07e86bfcc8cab39c5a1ad5452e056b75a4cc8c386a115a34ca23b209985","schema_version":"1.0","event_id":"sha256:92c4a07e86bfcc8cab39c5a1ad5452e056b75a4cc8c386a115a34ca23b209985"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/IH572U2BBZCS6E2RFO6KGETKAX/bundle.json","state_url":"https://pith.science/pith/IH572U2BBZCS6E2RFO6KGETKAX/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/IH572U2BBZCS6E2RFO6KGETKAX/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":"2026-06-01T08:19:46Z","links":{"resolver":"https://pith.science/pith/IH572U2BBZCS6E2RFO6KGETKAX","bundle":"https://pith.science/pith/IH572U2BBZCS6E2RFO6KGETKAX/bundle.json","state":"https://pith.science/pith/IH572U2BBZCS6E2RFO6KGETKAX/state.json","well_known_bundle":"https://pith.science/.well-known/pith/IH572U2BBZCS6E2RFO6KGETKAX/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:IH572U2BBZCS6E2RFO6KGETKAX","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":"2e84258fb6153a70333299726717d926cb60b63bd5a52495731d1f2d7bea2477","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-bio.PE","submitted_at":"2013-12-09T11:17:55Z","title_canon_sha256":"1545c51aec79f1e72f3f27013eb402d3899dffd2435c52e680656884eeafbea2"},"schema_version":"1.0","source":{"id":"1312.2386","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1312.2386","created_at":"2026-05-18T03:05:10Z"},{"alias_kind":"arxiv_version","alias_value":"1312.2386v1","created_at":"2026-05-18T03:05:10Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1312.2386","created_at":"2026-05-18T03:05:10Z"},{"alias_kind":"pith_short_12","alias_value":"IH572U2BBZCS","created_at":"2026-05-18T12:27:46Z"},{"alias_kind":"pith_short_16","alias_value":"IH572U2BBZCS6E2R","created_at":"2026-05-18T12:27:46Z"},{"alias_kind":"pith_short_8","alias_value":"IH572U2B","created_at":"2026-05-18T12:27:46Z"}],"graph_snapshots":[{"event_id":"sha256:92c4a07e86bfcc8cab39c5a1ad5452e056b75a4cc8c386a115a34ca23b209985","target":"graph","created_at":"2026-05-18T03:05:10Z","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":"Recent years have seen a rapid expansion of the model space explored in statistical phylogenetics, emphasizing the need for new approaches to statistical model representation and software development. Clear communication and representation of the chosen model is crucial for: (1) reproducibility of an analysis, (2) model development and (3) software design. Moreover, a unified, clear and understandable framework for model representation lowers the barrier for beginners and non-specialists to grasp complex phylogenetic models, including their assumptions and parameter/variable dependencies.\n  Gr","authors_text":"Bastien Boussau, Fredrik Ronquist, John P. Huelsenbeck, Michael J. Landis, Sebastian H\\\"ohna, Tracy A. Heath","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-bio.PE","submitted_at":"2013-12-09T11:17:55Z","title":"Probabilistic Graphical Model Representation in Phylogenetics"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1312.2386","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:f12fcef590b94b7c079878593f01fb8b9a667ede86bd99c05b69c399d49105f0","target":"record","created_at":"2026-05-18T03:05:10Z","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":"2e84258fb6153a70333299726717d926cb60b63bd5a52495731d1f2d7bea2477","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-bio.PE","submitted_at":"2013-12-09T11:17:55Z","title_canon_sha256":"1545c51aec79f1e72f3f27013eb402d3899dffd2435c52e680656884eeafbea2"},"schema_version":"1.0","source":{"id":"1312.2386","kind":"arxiv","version":1}},"canonical_sha256":"41fbfd53410e452f13512bbca3126a05e4b15bd4fc7d6dc65655cf68c68098a0","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"41fbfd53410e452f13512bbca3126a05e4b15bd4fc7d6dc65655cf68c68098a0","first_computed_at":"2026-05-18T03:05:10.372526Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:05:10.372526Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Do2Kpr8WnGzpkonJphePtLMr4zM3lMZFQof7C2sohfro+WCuU2LA505vqmcWlmJ6/ubJP8m2ZPWhaY/MiYAcBA==","signature_status":"signed_v1","signed_at":"2026-05-18T03:05:10.373007Z","signed_message":"canonical_sha256_bytes"},"source_id":"1312.2386","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f12fcef590b94b7c079878593f01fb8b9a667ede86bd99c05b69c399d49105f0","sha256:92c4a07e86bfcc8cab39c5a1ad5452e056b75a4cc8c386a115a34ca23b209985"],"state_sha256":"52c658ff78d14edb102a5abcbed4a11828d9feca7b5846fd1a9d257f109ec750"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"V/IUzdufj0nzalXIeaJQ2YEceqvb2vOnagqeDvsc0gd5yrh2HWsVsdZKlzk2M9zzhLPt0xOSYeChjfKlhJO0BA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T08:19:46.282115Z","bundle_sha256":"51e0d6640b7e27b95edadb86e76055f1566ac0e70c5c80836c4055df941fc46e"}}