{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:4DDPCKACKMI2SFITUTUQEK3YFK","short_pith_number":"pith:4DDPCKAC","canonical_record":{"source":{"id":"1102.4540","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-bio.PE","submitted_at":"2011-02-22T15:46:08Z","cross_cats_sorted":[],"title_canon_sha256":"034b7d8ff5996acfb7f1cc6243970bf76f5b7a638c8bc1ee0f25be44507ec6a8","abstract_canon_sha256":"17be5e33b9b39794c01ebeb1be722a2ba4ddd66ea6ea03f83b34bc14feae4641"},"schema_version":"1.0"},"canonical_sha256":"e0c6f128025311a91513a4e9022b782aa327af0a5c7787ae22049684a9734a98","source":{"kind":"arxiv","id":"1102.4540","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1102.4540","created_at":"2026-05-18T04:17:02Z"},{"alias_kind":"arxiv_version","alias_value":"1102.4540v3","created_at":"2026-05-18T04:17:02Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1102.4540","created_at":"2026-05-18T04:17:02Z"},{"alias_kind":"pith_short_12","alias_value":"4DDPCKACKMI2","created_at":"2026-05-18T12:26:20Z"},{"alias_kind":"pith_short_16","alias_value":"4DDPCKACKMI2SFIT","created_at":"2026-05-18T12:26:20Z"},{"alias_kind":"pith_short_8","alias_value":"4DDPCKAC","created_at":"2026-05-18T12:26:20Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:4DDPCKACKMI2SFITUTUQEK3YFK","target":"record","payload":{"canonical_record":{"source":{"id":"1102.4540","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-bio.PE","submitted_at":"2011-02-22T15:46:08Z","cross_cats_sorted":[],"title_canon_sha256":"034b7d8ff5996acfb7f1cc6243970bf76f5b7a638c8bc1ee0f25be44507ec6a8","abstract_canon_sha256":"17be5e33b9b39794c01ebeb1be722a2ba4ddd66ea6ea03f83b34bc14feae4641"},"schema_version":"1.0"},"canonical_sha256":"e0c6f128025311a91513a4e9022b782aa327af0a5c7787ae22049684a9734a98","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:17:02.710123Z","signature_b64":"XCyfZsTN+LXhGdWWX0OI77CuwpNnQtqhSdfn5zCop5Ro55LSaXx3uMHNVQo31wYv4z3CVt7d1Ay45jRXIU94Ag==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e0c6f128025311a91513a4e9022b782aa327af0a5c7787ae22049684a9734a98","last_reissued_at":"2026-05-18T04:17:02.709419Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:17:02.709419Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1102.4540","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":"2026-05-18T04:17:02Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"44j8mTi1pMG8rx/jnHdPBOAwjPOf3gMc+/jKgjim25S+2W0Wt4BGzyAEdZLTlLV3lTS9pEAidRo6SSxH9sloCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T22:16:08.904595Z"},"content_sha256":"553cf272405806ce65eb9493fc2158f9a1945d161acfd26eee36600a61c674bd","schema_version":"1.0","event_id":"sha256:553cf272405806ce65eb9493fc2158f9a1945d161acfd26eee36600a61c674bd"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:4DDPCKACKMI2SFITUTUQEK3YFK","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Scaling properties of protein family phylogenies","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"q-bio.PE","authors_text":"Carlos M. Duarte, E. Alejandro Herrada, Emilio Hern\\'andez-Garc\\'ia, V\\'ictor M. Egu\\'iluz","submitted_at":"2011-02-22T15:46:08Z","abstract_excerpt":"One of the classical questions in evolutionary biology is how evolutionary processes are coupled at the gene and species level. With this motivation, we compare the topological properties (mainly the depth scaling, as a characterization of balance) of a large set of protein phylogenies with a set of species phylogenies. The comparative analysis shows that both sets of phylogenies share remarkably similar scaling behavior, suggesting the universality of branching rules and of the evolutionary processes that drive biological diversification from gene to species level. In order to explain such ge"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1102.4540","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":"2026-05-18T04:17:02Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"OrydqoreZBQPCAo9JBnbSj5WlVyfglaxCxDdqbqFARcWmXttyXk8lcW78lZpifTQsTMWpXXlKfEMis61B5avAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T22:16:08.905202Z"},"content_sha256":"b748e6e0afbff4753e654b8efe40db2b131bb50e16abf40466b49effd24ebbd3","schema_version":"1.0","event_id":"sha256:b748e6e0afbff4753e654b8efe40db2b131bb50e16abf40466b49effd24ebbd3"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/4DDPCKACKMI2SFITUTUQEK3YFK/bundle.json","state_url":"https://pith.science/pith/4DDPCKACKMI2SFITUTUQEK3YFK/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/4DDPCKACKMI2SFITUTUQEK3YFK/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":"2026-05-27T22:16:08Z","links":{"resolver":"https://pith.science/pith/4DDPCKACKMI2SFITUTUQEK3YFK","bundle":"https://pith.science/pith/4DDPCKACKMI2SFITUTUQEK3YFK/bundle.json","state":"https://pith.science/pith/4DDPCKACKMI2SFITUTUQEK3YFK/state.json","well_known_bundle":"https://pith.science/.well-known/pith/4DDPCKACKMI2SFITUTUQEK3YFK/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:4DDPCKACKMI2SFITUTUQEK3YFK","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":"17be5e33b9b39794c01ebeb1be722a2ba4ddd66ea6ea03f83b34bc14feae4641","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-bio.PE","submitted_at":"2011-02-22T15:46:08Z","title_canon_sha256":"034b7d8ff5996acfb7f1cc6243970bf76f5b7a638c8bc1ee0f25be44507ec6a8"},"schema_version":"1.0","source":{"id":"1102.4540","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1102.4540","created_at":"2026-05-18T04:17:02Z"},{"alias_kind":"arxiv_version","alias_value":"1102.4540v3","created_at":"2026-05-18T04:17:02Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1102.4540","created_at":"2026-05-18T04:17:02Z"},{"alias_kind":"pith_short_12","alias_value":"4DDPCKACKMI2","created_at":"2026-05-18T12:26:20Z"},{"alias_kind":"pith_short_16","alias_value":"4DDPCKACKMI2SFIT","created_at":"2026-05-18T12:26:20Z"},{"alias_kind":"pith_short_8","alias_value":"4DDPCKAC","created_at":"2026-05-18T12:26:20Z"}],"graph_snapshots":[{"event_id":"sha256:b748e6e0afbff4753e654b8efe40db2b131bb50e16abf40466b49effd24ebbd3","target":"graph","created_at":"2026-05-18T04:17:02Z","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":"One of the classical questions in evolutionary biology is how evolutionary processes are coupled at the gene and species level. With this motivation, we compare the topological properties (mainly the depth scaling, as a characterization of balance) of a large set of protein phylogenies with a set of species phylogenies. The comparative analysis shows that both sets of phylogenies share remarkably similar scaling behavior, suggesting the universality of branching rules and of the evolutionary processes that drive biological diversification from gene to species level. In order to explain such ge","authors_text":"Carlos M. Duarte, E. Alejandro Herrada, Emilio Hern\\'andez-Garc\\'ia, V\\'ictor M. Egu\\'iluz","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-bio.PE","submitted_at":"2011-02-22T15:46:08Z","title":"Scaling properties of protein family phylogenies"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1102.4540","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":"sha256:553cf272405806ce65eb9493fc2158f9a1945d161acfd26eee36600a61c674bd","target":"record","created_at":"2026-05-18T04:17:02Z","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":"17be5e33b9b39794c01ebeb1be722a2ba4ddd66ea6ea03f83b34bc14feae4641","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-bio.PE","submitted_at":"2011-02-22T15:46:08Z","title_canon_sha256":"034b7d8ff5996acfb7f1cc6243970bf76f5b7a638c8bc1ee0f25be44507ec6a8"},"schema_version":"1.0","source":{"id":"1102.4540","kind":"arxiv","version":3}},"canonical_sha256":"e0c6f128025311a91513a4e9022b782aa327af0a5c7787ae22049684a9734a98","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e0c6f128025311a91513a4e9022b782aa327af0a5c7787ae22049684a9734a98","first_computed_at":"2026-05-18T04:17:02.709419Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:17:02.709419Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"XCyfZsTN+LXhGdWWX0OI77CuwpNnQtqhSdfn5zCop5Ro55LSaXx3uMHNVQo31wYv4z3CVt7d1Ay45jRXIU94Ag==","signature_status":"signed_v1","signed_at":"2026-05-18T04:17:02.710123Z","signed_message":"canonical_sha256_bytes"},"source_id":"1102.4540","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:553cf272405806ce65eb9493fc2158f9a1945d161acfd26eee36600a61c674bd","sha256:b748e6e0afbff4753e654b8efe40db2b131bb50e16abf40466b49effd24ebbd3"],"state_sha256":"17289383dc7591d2ffc66e5bd1ed0bd9c6b5bc668bcdde796e779fe36dbec133"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"d5Q4e0XBZKnpkrhNOul5ddQFSjqS66iD8HCori+RpiqqChtNeiMKmAZIMCTvnjlo0EN+pnI/vTcV4nQCp3M/Aw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T22:16:08.909240Z","bundle_sha256":"504ef51f0a8de3f48154aec1989ec7ea67ec6924cf93a1d156641842f8b862e3"}}