{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:N3WLLOQUDDT44I3OGPT4OY36XP","short_pith_number":"pith:N3WLLOQU","canonical_record":{"source":{"id":"1103.4513","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.FL","submitted_at":"2011-03-23T13:31:37Z","cross_cats_sorted":["cs.DM"],"title_canon_sha256":"c3d07eb185014404af21819929e6562402216d12d84a3aee8e41ff1efeee751f","abstract_canon_sha256":"788e7b0e69eb0e150b9455f22a69cf5adc1439b551a66740037b93f5021f1bac"},"schema_version":"1.0"},"canonical_sha256":"6eecb5ba1418e7ce236e33e7c7637ebbfab8286ebb7e0ad2256bb491f2500752","source":{"kind":"arxiv","id":"1103.4513","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1103.4513","created_at":"2026-05-18T04:26:01Z"},{"alias_kind":"arxiv_version","alias_value":"1103.4513v1","created_at":"2026-05-18T04:26:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1103.4513","created_at":"2026-05-18T04:26:01Z"},{"alias_kind":"pith_short_12","alias_value":"N3WLLOQUDDT4","created_at":"2026-05-18T12:26:37Z"},{"alias_kind":"pith_short_16","alias_value":"N3WLLOQUDDT44I3O","created_at":"2026-05-18T12:26:37Z"},{"alias_kind":"pith_short_8","alias_value":"N3WLLOQU","created_at":"2026-05-18T12:26:37Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:N3WLLOQUDDT44I3OGPT4OY36XP","target":"record","payload":{"canonical_record":{"source":{"id":"1103.4513","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.FL","submitted_at":"2011-03-23T13:31:37Z","cross_cats_sorted":["cs.DM"],"title_canon_sha256":"c3d07eb185014404af21819929e6562402216d12d84a3aee8e41ff1efeee751f","abstract_canon_sha256":"788e7b0e69eb0e150b9455f22a69cf5adc1439b551a66740037b93f5021f1bac"},"schema_version":"1.0"},"canonical_sha256":"6eecb5ba1418e7ce236e33e7c7637ebbfab8286ebb7e0ad2256bb491f2500752","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:26:01.886831Z","signature_b64":"WZz89RmEvDf6w7YeVeM5fqnVmvxjLlUfNUtFp+SUFdyGWL2PpetVtswJNNni/INiaaChQSFK6ruWei1ibAXfCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6eecb5ba1418e7ce236e33e7c7637ebbfab8286ebb7e0ad2256bb491f2500752","last_reissued_at":"2026-05-18T04:26:01.886422Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:26:01.886422Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1103.4513","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":"2026-05-18T04:26:01Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"I63UUhomOVcD5LPvjzGUETg03bWYtOgW3pK3h4cKSj/c9jhtco4RDpPHcReXGFibz6ImtgsaYddVfze/IB70Cw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T20:23:01.690026Z"},"content_sha256":"3d27e6732b2ce209735d7e3653a134cb6e8c9926bb9cac712eb8ad1abded1572","schema_version":"1.0","event_id":"sha256:3d27e6732b2ce209735d7e3653a134cb6e8c9926bb9cac712eb8ad1abded1572"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:N3WLLOQUDDT44I3OGPT4OY36XP","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Remarks on separating words","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.DM"],"primary_cat":"cs.FL","authors_text":"David A. Wilson, Erik D. Demaine, Jeffrey Shallit, Sarah Eisenstat","submitted_at":"2011-03-23T13:31:37Z","abstract_excerpt":"The separating words problem asks for the size of the smallest DFA needed to distinguish between two words of length <= n (by accepting one and rejecting the other). In this paper we survey what is known and unknown about the problem, consider some variations, and prove several new results."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1103.4513","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":"2026-05-18T04:26:01Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jd3AfUYV0eXxDuK0WSdJtuTL99rmveZLRjr20LcM49+OiCdzSqdfUKJx/yccfwBpi6Hcjjqyjy09SLAXG/F5DA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T20:23:01.690770Z"},"content_sha256":"16381521df160997d39442dcc06b58f56336cf600cd75fd38a384aa920a10eec","schema_version":"1.0","event_id":"sha256:16381521df160997d39442dcc06b58f56336cf600cd75fd38a384aa920a10eec"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/N3WLLOQUDDT44I3OGPT4OY36XP/bundle.json","state_url":"https://pith.science/pith/N3WLLOQUDDT44I3OGPT4OY36XP/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/N3WLLOQUDDT44I3OGPT4OY36XP/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":"2026-05-31T20:23:01Z","links":{"resolver":"https://pith.science/pith/N3WLLOQUDDT44I3OGPT4OY36XP","bundle":"https://pith.science/pith/N3WLLOQUDDT44I3OGPT4OY36XP/bundle.json","state":"https://pith.science/pith/N3WLLOQUDDT44I3OGPT4OY36XP/state.json","well_known_bundle":"https://pith.science/.well-known/pith/N3WLLOQUDDT44I3OGPT4OY36XP/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:N3WLLOQUDDT44I3OGPT4OY36XP","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":"788e7b0e69eb0e150b9455f22a69cf5adc1439b551a66740037b93f5021f1bac","cross_cats_sorted":["cs.DM"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.FL","submitted_at":"2011-03-23T13:31:37Z","title_canon_sha256":"c3d07eb185014404af21819929e6562402216d12d84a3aee8e41ff1efeee751f"},"schema_version":"1.0","source":{"id":"1103.4513","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1103.4513","created_at":"2026-05-18T04:26:01Z"},{"alias_kind":"arxiv_version","alias_value":"1103.4513v1","created_at":"2026-05-18T04:26:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1103.4513","created_at":"2026-05-18T04:26:01Z"},{"alias_kind":"pith_short_12","alias_value":"N3WLLOQUDDT4","created_at":"2026-05-18T12:26:37Z"},{"alias_kind":"pith_short_16","alias_value":"N3WLLOQUDDT44I3O","created_at":"2026-05-18T12:26:37Z"},{"alias_kind":"pith_short_8","alias_value":"N3WLLOQU","created_at":"2026-05-18T12:26:37Z"}],"graph_snapshots":[{"event_id":"sha256:16381521df160997d39442dcc06b58f56336cf600cd75fd38a384aa920a10eec","target":"graph","created_at":"2026-05-18T04:26:01Z","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 separating words problem asks for the size of the smallest DFA needed to distinguish between two words of length <= n (by accepting one and rejecting the other). In this paper we survey what is known and unknown about the problem, consider some variations, and prove several new results.","authors_text":"David A. Wilson, Erik D. Demaine, Jeffrey Shallit, Sarah Eisenstat","cross_cats":["cs.DM"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.FL","submitted_at":"2011-03-23T13:31:37Z","title":"Remarks on separating words"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1103.4513","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":"sha256:3d27e6732b2ce209735d7e3653a134cb6e8c9926bb9cac712eb8ad1abded1572","target":"record","created_at":"2026-05-18T04:26:01Z","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":"788e7b0e69eb0e150b9455f22a69cf5adc1439b551a66740037b93f5021f1bac","cross_cats_sorted":["cs.DM"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.FL","submitted_at":"2011-03-23T13:31:37Z","title_canon_sha256":"c3d07eb185014404af21819929e6562402216d12d84a3aee8e41ff1efeee751f"},"schema_version":"1.0","source":{"id":"1103.4513","kind":"arxiv","version":1}},"canonical_sha256":"6eecb5ba1418e7ce236e33e7c7637ebbfab8286ebb7e0ad2256bb491f2500752","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6eecb5ba1418e7ce236e33e7c7637ebbfab8286ebb7e0ad2256bb491f2500752","first_computed_at":"2026-05-18T04:26:01.886422Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:26:01.886422Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"WZz89RmEvDf6w7YeVeM5fqnVmvxjLlUfNUtFp+SUFdyGWL2PpetVtswJNNni/INiaaChQSFK6ruWei1ibAXfCw==","signature_status":"signed_v1","signed_at":"2026-05-18T04:26:01.886831Z","signed_message":"canonical_sha256_bytes"},"source_id":"1103.4513","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:3d27e6732b2ce209735d7e3653a134cb6e8c9926bb9cac712eb8ad1abded1572","sha256:16381521df160997d39442dcc06b58f56336cf600cd75fd38a384aa920a10eec"],"state_sha256":"fc2b878a50311416d9c80f22ac9d5bc7751fb90f46dbe39f8391cd85b6daf74b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CzhbE/CXNoXpR7LRHHrT0l5vwxucxVpWB5ny5MwtCXKGiDnZwHqlnBaMXRVgvrkUEGk3vzWyIuVc+/NAbIj2DA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T20:23:01.694981Z","bundle_sha256":"6ceb7f6f8555fe9957d2b911469182630bec2236b543f73be590d733d5d0547a"}}