{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:X22P444JUL3YZE5ABGJC6QNUGJ","short_pith_number":"pith:X22P444J","canonical_record":{"source":{"id":"1502.05501","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LO","submitted_at":"2015-02-19T09:05:23Z","cross_cats_sorted":[],"title_canon_sha256":"3d958b88ff46acdefc723b57f279aa5dff0616772d5d0a71f60ecdce9f336f0b","abstract_canon_sha256":"5e6a04f8a2c560bd853a30236c93edba3800b513dc04a1f7a3b0eb15a6ed0e0a"},"schema_version":"1.0"},"canonical_sha256":"beb4fe7389a2f78c93a009922f41b432555727e985fd17076da30f2b831aa70e","source":{"kind":"arxiv","id":"1502.05501","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1502.05501","created_at":"2026-05-18T01:36:38Z"},{"alias_kind":"arxiv_version","alias_value":"1502.05501v3","created_at":"2026-05-18T01:36:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1502.05501","created_at":"2026-05-18T01:36:38Z"},{"alias_kind":"pith_short_12","alias_value":"X22P444JUL3Y","created_at":"2026-05-18T12:29:47Z"},{"alias_kind":"pith_short_16","alias_value":"X22P444JUL3YZE5A","created_at":"2026-05-18T12:29:47Z"},{"alias_kind":"pith_short_8","alias_value":"X22P444J","created_at":"2026-05-18T12:29:47Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:X22P444JUL3YZE5ABGJC6QNUGJ","target":"record","payload":{"canonical_record":{"source":{"id":"1502.05501","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LO","submitted_at":"2015-02-19T09:05:23Z","cross_cats_sorted":[],"title_canon_sha256":"3d958b88ff46acdefc723b57f279aa5dff0616772d5d0a71f60ecdce9f336f0b","abstract_canon_sha256":"5e6a04f8a2c560bd853a30236c93edba3800b513dc04a1f7a3b0eb15a6ed0e0a"},"schema_version":"1.0"},"canonical_sha256":"beb4fe7389a2f78c93a009922f41b432555727e985fd17076da30f2b831aa70e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:36:38.408441Z","signature_b64":"gAk5WRzBdaxaddSLiRSe2/QIj7Kl4ANgh5Re6ppoqX6TafNx2JBtq74wEigMwzm0xqLzxBqX9Sqv3AUFrdu9Bw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"beb4fe7389a2f78c93a009922f41b432555727e985fd17076da30f2b831aa70e","last_reissued_at":"2026-05-18T01:36:38.407739Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:36:38.407739Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1502.05501","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":"2026-05-18T01:36:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"t4v8SsTchmRWCzWmxkQ7Cuhu8K9UmvS5hCeShMlWHhUdxHl/j6W0/YEUSGERbKYhAcbxqvBBGE4Bdm50PSt9Ag==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T12:08:32.661425Z"},"content_sha256":"b93d90314878aeb1af316b1e206b559353f12e8c622906a593623c69dcff9061","schema_version":"1.0","event_id":"sha256:b93d90314878aeb1af316b1e206b559353f12e8c622906a593623c69dcff9061"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:X22P444JUL3YZE5ABGJC6QNUGJ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"NRCL - A Model Building Approach to the Bernays-Sch\\\"onfinkel Fragment (Full Paper)","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.LO","authors_text":"Christoph Weidenbach, G\\'abor Alagi","submitted_at":"2015-02-19T09:05:23Z","abstract_excerpt":"We combine constrained literals for model representation with key concepts from first-order superposition and propositional conflict-driven clause learning (CDCL) to create the new calculus Non-Redundant Clause Learning (NRCL) deciding the Bernays-Sch\\\"onfinkel fragment. Our calculus uses first-order literals constrained by disequations between tuples of terms for compact model representation. From superposition, NRCL inherits the abstract redundancy criterion and the monotone model operator. CDCL adds the dynamic, conflict-driven search for an atom ordering inducing a model. As a result, in N"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1502.05501","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":"2026-05-18T01:36:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rZiKkGujz176+uq5eH86Ux+yfhYwYp49ggmFisO26s3DQI0TY9FP8yNKfsheEI6s5T0bqlh/Da7xlgzvoHb/Cw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T12:08:32.661985Z"},"content_sha256":"d2dbdf88e6a6a5604c3b824b094e9e05a9ed78c86e8d8a85923ddd491fa01657","schema_version":"1.0","event_id":"sha256:d2dbdf88e6a6a5604c3b824b094e9e05a9ed78c86e8d8a85923ddd491fa01657"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/X22P444JUL3YZE5ABGJC6QNUGJ/bundle.json","state_url":"https://pith.science/pith/X22P444JUL3YZE5ABGJC6QNUGJ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/X22P444JUL3YZE5ABGJC6QNUGJ/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":"2026-06-02T12:08:32Z","links":{"resolver":"https://pith.science/pith/X22P444JUL3YZE5ABGJC6QNUGJ","bundle":"https://pith.science/pith/X22P444JUL3YZE5ABGJC6QNUGJ/bundle.json","state":"https://pith.science/pith/X22P444JUL3YZE5ABGJC6QNUGJ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/X22P444JUL3YZE5ABGJC6QNUGJ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:X22P444JUL3YZE5ABGJC6QNUGJ","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":"5e6a04f8a2c560bd853a30236c93edba3800b513dc04a1f7a3b0eb15a6ed0e0a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LO","submitted_at":"2015-02-19T09:05:23Z","title_canon_sha256":"3d958b88ff46acdefc723b57f279aa5dff0616772d5d0a71f60ecdce9f336f0b"},"schema_version":"1.0","source":{"id":"1502.05501","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1502.05501","created_at":"2026-05-18T01:36:38Z"},{"alias_kind":"arxiv_version","alias_value":"1502.05501v3","created_at":"2026-05-18T01:36:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1502.05501","created_at":"2026-05-18T01:36:38Z"},{"alias_kind":"pith_short_12","alias_value":"X22P444JUL3Y","created_at":"2026-05-18T12:29:47Z"},{"alias_kind":"pith_short_16","alias_value":"X22P444JUL3YZE5A","created_at":"2026-05-18T12:29:47Z"},{"alias_kind":"pith_short_8","alias_value":"X22P444J","created_at":"2026-05-18T12:29:47Z"}],"graph_snapshots":[{"event_id":"sha256:d2dbdf88e6a6a5604c3b824b094e9e05a9ed78c86e8d8a85923ddd491fa01657","target":"graph","created_at":"2026-05-18T01:36:38Z","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":"We combine constrained literals for model representation with key concepts from first-order superposition and propositional conflict-driven clause learning (CDCL) to create the new calculus Non-Redundant Clause Learning (NRCL) deciding the Bernays-Sch\\\"onfinkel fragment. Our calculus uses first-order literals constrained by disequations between tuples of terms for compact model representation. From superposition, NRCL inherits the abstract redundancy criterion and the monotone model operator. CDCL adds the dynamic, conflict-driven search for an atom ordering inducing a model. As a result, in N","authors_text":"Christoph Weidenbach, G\\'abor Alagi","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LO","submitted_at":"2015-02-19T09:05:23Z","title":"NRCL - A Model Building Approach to the Bernays-Sch\\\"onfinkel Fragment (Full Paper)"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1502.05501","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:b93d90314878aeb1af316b1e206b559353f12e8c622906a593623c69dcff9061","target":"record","created_at":"2026-05-18T01:36:38Z","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":"5e6a04f8a2c560bd853a30236c93edba3800b513dc04a1f7a3b0eb15a6ed0e0a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LO","submitted_at":"2015-02-19T09:05:23Z","title_canon_sha256":"3d958b88ff46acdefc723b57f279aa5dff0616772d5d0a71f60ecdce9f336f0b"},"schema_version":"1.0","source":{"id":"1502.05501","kind":"arxiv","version":3}},"canonical_sha256":"beb4fe7389a2f78c93a009922f41b432555727e985fd17076da30f2b831aa70e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"beb4fe7389a2f78c93a009922f41b432555727e985fd17076da30f2b831aa70e","first_computed_at":"2026-05-18T01:36:38.407739Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:36:38.407739Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"gAk5WRzBdaxaddSLiRSe2/QIj7Kl4ANgh5Re6ppoqX6TafNx2JBtq74wEigMwzm0xqLzxBqX9Sqv3AUFrdu9Bw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:36:38.408441Z","signed_message":"canonical_sha256_bytes"},"source_id":"1502.05501","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b93d90314878aeb1af316b1e206b559353f12e8c622906a593623c69dcff9061","sha256:d2dbdf88e6a6a5604c3b824b094e9e05a9ed78c86e8d8a85923ddd491fa01657"],"state_sha256":"c05951986fe326c111e4b1d6da26b206a5e960e7afd5c09aceb1da3d1fa94c18"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8U8Rgs8YPrLfrEDSTJn0zb5491vTUL/9aFyfE+2pSWk1HrrA+/EHpSYr7ptsXmWLVKP2mm6VRy2PxG+gsj/RDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-02T12:08:32.664593Z","bundle_sha256":"497970fb0649119e58465b41a7a5ecd731de91067e784bee777fcbad16949142"}}