{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:UYRQN3G4UGGQW46IYJHG365OFD","short_pith_number":"pith:UYRQN3G4","canonical_record":{"source":{"id":"1712.01544","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DM","submitted_at":"2017-12-05T09:48:00Z","cross_cats_sorted":["math.CO"],"title_canon_sha256":"d26c638b83db86a415d92db2356b9e8484ecc9799e52f0eab2487a5dc3a83967","abstract_canon_sha256":"f3d056f77f3db49eaaf982483168f2a28f2ad203afc14c0837ec6132b0f8d7b7"},"schema_version":"1.0"},"canonical_sha256":"a62306ecdca18d0b73c8c24e6dfbae28c11473b6a4f6dbeb833d31c27193cd86","source":{"kind":"arxiv","id":"1712.01544","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1712.01544","created_at":"2026-05-18T00:28:50Z"},{"alias_kind":"arxiv_version","alias_value":"1712.01544v1","created_at":"2026-05-18T00:28:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1712.01544","created_at":"2026-05-18T00:28:50Z"},{"alias_kind":"pith_short_12","alias_value":"UYRQN3G4UGGQ","created_at":"2026-05-18T12:31:49Z"},{"alias_kind":"pith_short_16","alias_value":"UYRQN3G4UGGQW46I","created_at":"2026-05-18T12:31:49Z"},{"alias_kind":"pith_short_8","alias_value":"UYRQN3G4","created_at":"2026-05-18T12:31:49Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:UYRQN3G4UGGQW46IYJHG365OFD","target":"record","payload":{"canonical_record":{"source":{"id":"1712.01544","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DM","submitted_at":"2017-12-05T09:48:00Z","cross_cats_sorted":["math.CO"],"title_canon_sha256":"d26c638b83db86a415d92db2356b9e8484ecc9799e52f0eab2487a5dc3a83967","abstract_canon_sha256":"f3d056f77f3db49eaaf982483168f2a28f2ad203afc14c0837ec6132b0f8d7b7"},"schema_version":"1.0"},"canonical_sha256":"a62306ecdca18d0b73c8c24e6dfbae28c11473b6a4f6dbeb833d31c27193cd86","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:28:50.381944Z","signature_b64":"GvoZdMhICwNWmLjLMogQ21R5iDdDhIZ4qRElg1N1+ub1h1Nxco6nBJf7LmjyfVz/G3mRi+ft5aWDRWmiszuoCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a62306ecdca18d0b73c8c24e6dfbae28c11473b6a4f6dbeb833d31c27193cd86","last_reissued_at":"2026-05-18T00:28:50.381231Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:28:50.381231Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1712.01544","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":"2026-05-18T00:28:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9EbG1VLAZ6CKhCvT98E1rvuwdQUEtd8/KUeubO5nGPwU2VfFvv3E9LD010WY2JVXdrVE91BbrQryMGjSFKCpAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T00:40:29.657219Z"},"content_sha256":"9cdfc76975d2716224605452da29521d0ea5f025c076b2d48e36b5c62fb669f1","schema_version":"1.0","event_id":"sha256:9cdfc76975d2716224605452da29521d0ea5f025c076b2d48e36b5c62fb669f1"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:UYRQN3G4UGGQW46IYJHG365OFD","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A Short Note on Undirected Fitch Graphs","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["math.CO"],"primary_cat":"cs.DM","authors_text":"Manuela Gei{\\ss}, Marc Hellmuth, Peter F. Stadler, Yangjing Long","submitted_at":"2017-12-05T09:48:00Z","abstract_excerpt":"The symmetric version of Fitch's xenology relation coincides with class of complete multipartite graph and thus cannot convey any non-trivial phylogenetic information."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1712.01544","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":"2026-05-18T00:28:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"DXWa4EX3WsKPZd//raD+wUTsBujQYwilhptgxzbS5yfGeUEih3fCfA8ohGeiejF8OpQHKyXGCS5VO2Tsn4x0Bg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T00:40:29.657915Z"},"content_sha256":"f18b63a06b6c817b00ded6c76983de8bd026bfd194b89663ce834129b61aa5b0","schema_version":"1.0","event_id":"sha256:f18b63a06b6c817b00ded6c76983de8bd026bfd194b89663ce834129b61aa5b0"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/UYRQN3G4UGGQW46IYJHG365OFD/bundle.json","state_url":"https://pith.science/pith/UYRQN3G4UGGQW46IYJHG365OFD/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/UYRQN3G4UGGQW46IYJHG365OFD/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":"2026-05-27T00:40:29Z","links":{"resolver":"https://pith.science/pith/UYRQN3G4UGGQW46IYJHG365OFD","bundle":"https://pith.science/pith/UYRQN3G4UGGQW46IYJHG365OFD/bundle.json","state":"https://pith.science/pith/UYRQN3G4UGGQW46IYJHG365OFD/state.json","well_known_bundle":"https://pith.science/.well-known/pith/UYRQN3G4UGGQW46IYJHG365OFD/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:UYRQN3G4UGGQW46IYJHG365OFD","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":"f3d056f77f3db49eaaf982483168f2a28f2ad203afc14c0837ec6132b0f8d7b7","cross_cats_sorted":["math.CO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DM","submitted_at":"2017-12-05T09:48:00Z","title_canon_sha256":"d26c638b83db86a415d92db2356b9e8484ecc9799e52f0eab2487a5dc3a83967"},"schema_version":"1.0","source":{"id":"1712.01544","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1712.01544","created_at":"2026-05-18T00:28:50Z"},{"alias_kind":"arxiv_version","alias_value":"1712.01544v1","created_at":"2026-05-18T00:28:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1712.01544","created_at":"2026-05-18T00:28:50Z"},{"alias_kind":"pith_short_12","alias_value":"UYRQN3G4UGGQ","created_at":"2026-05-18T12:31:49Z"},{"alias_kind":"pith_short_16","alias_value":"UYRQN3G4UGGQW46I","created_at":"2026-05-18T12:31:49Z"},{"alias_kind":"pith_short_8","alias_value":"UYRQN3G4","created_at":"2026-05-18T12:31:49Z"}],"graph_snapshots":[{"event_id":"sha256:f18b63a06b6c817b00ded6c76983de8bd026bfd194b89663ce834129b61aa5b0","target":"graph","created_at":"2026-05-18T00:28:50Z","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 symmetric version of Fitch's xenology relation coincides with class of complete multipartite graph and thus cannot convey any non-trivial phylogenetic information.","authors_text":"Manuela Gei{\\ss}, Marc Hellmuth, Peter F. Stadler, Yangjing Long","cross_cats":["math.CO"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DM","submitted_at":"2017-12-05T09:48:00Z","title":"A Short Note on Undirected Fitch Graphs"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1712.01544","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":"sha256:9cdfc76975d2716224605452da29521d0ea5f025c076b2d48e36b5c62fb669f1","target":"record","created_at":"2026-05-18T00:28:50Z","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":"f3d056f77f3db49eaaf982483168f2a28f2ad203afc14c0837ec6132b0f8d7b7","cross_cats_sorted":["math.CO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DM","submitted_at":"2017-12-05T09:48:00Z","title_canon_sha256":"d26c638b83db86a415d92db2356b9e8484ecc9799e52f0eab2487a5dc3a83967"},"schema_version":"1.0","source":{"id":"1712.01544","kind":"arxiv","version":1}},"canonical_sha256":"a62306ecdca18d0b73c8c24e6dfbae28c11473b6a4f6dbeb833d31c27193cd86","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a62306ecdca18d0b73c8c24e6dfbae28c11473b6a4f6dbeb833d31c27193cd86","first_computed_at":"2026-05-18T00:28:50.381231Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:28:50.381231Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"GvoZdMhICwNWmLjLMogQ21R5iDdDhIZ4qRElg1N1+ub1h1Nxco6nBJf7LmjyfVz/G3mRi+ft5aWDRWmiszuoCg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:28:50.381944Z","signed_message":"canonical_sha256_bytes"},"source_id":"1712.01544","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9cdfc76975d2716224605452da29521d0ea5f025c076b2d48e36b5c62fb669f1","sha256:f18b63a06b6c817b00ded6c76983de8bd026bfd194b89663ce834129b61aa5b0"],"state_sha256":"002cca1a7298bf6245e947390824563f4b56fb1aeab153b43d4715ebc12114b6"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3cT85JNfJJjsdRhwGVrN2LXoaiKs43dPyJ1nDsnem/Tq6+VE9wdY/yj4RYU35gtmlgJkBNDRGXiehMBmeBGgCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T00:40:29.661701Z","bundle_sha256":"59e22b936709ae7435113ccbd16de1b6a6000dfc173f7fafc27d9b54aa3b214d"}}