{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:CJACF5IYOPVSOAXIDORXQZEVAB","short_pith_number":"pith:CJACF5IY","canonical_record":{"source":{"id":"1707.05599","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LO","submitted_at":"2017-07-18T13:20:39Z","cross_cats_sorted":["cs.PL"],"title_canon_sha256":"dd6396d1ea7ebcb936abad97f67a1e127aee28e85e2505fb54806aff15fdc4d9","abstract_canon_sha256":"1708066653ad2c7fcb54bd2030801f2d3f44a45c26f94e4c07c1a91192861beb"},"schema_version":"1.0"},"canonical_sha256":"124022f51873eb2702e81ba37864950078b39c6a389dff2ef57ba9489c80c5b5","source":{"kind":"arxiv","id":"1707.05599","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1707.05599","created_at":"2026-05-18T00:40:01Z"},{"alias_kind":"arxiv_version","alias_value":"1707.05599v1","created_at":"2026-05-18T00:40:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1707.05599","created_at":"2026-05-18T00:40:01Z"},{"alias_kind":"pith_short_12","alias_value":"CJACF5IYOPVS","created_at":"2026-05-18T12:31:10Z"},{"alias_kind":"pith_short_16","alias_value":"CJACF5IYOPVSOAXI","created_at":"2026-05-18T12:31:10Z"},{"alias_kind":"pith_short_8","alias_value":"CJACF5IY","created_at":"2026-05-18T12:31:10Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:CJACF5IYOPVSOAXIDORXQZEVAB","target":"record","payload":{"canonical_record":{"source":{"id":"1707.05599","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LO","submitted_at":"2017-07-18T13:20:39Z","cross_cats_sorted":["cs.PL"],"title_canon_sha256":"dd6396d1ea7ebcb936abad97f67a1e127aee28e85e2505fb54806aff15fdc4d9","abstract_canon_sha256":"1708066653ad2c7fcb54bd2030801f2d3f44a45c26f94e4c07c1a91192861beb"},"schema_version":"1.0"},"canonical_sha256":"124022f51873eb2702e81ba37864950078b39c6a389dff2ef57ba9489c80c5b5","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:40:01.937651Z","signature_b64":"4GSpuHwbEurJaJ25/nPImdcg3zK6mIb1SvE+Abma3HlmDUGhrXHYiH/bTmRUUz7bYOaVEJYGCDMonNwIxj2oAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"124022f51873eb2702e81ba37864950078b39c6a389dff2ef57ba9489c80c5b5","last_reissued_at":"2026-05-18T00:40:01.937229Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:40:01.937229Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1707.05599","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":"2026-05-18T00:40:01Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7Dk3O7eNYTdtpKUvOpi/Z/PXFU7cQ6WDxPyI0tc6M+AY077ykq0JfojSKb0v5bHvufSjiMrUBmZaqYnWwhBMBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T23:20:59.319159Z"},"content_sha256":"621271de0eb97fa700910f457f3b8a71d3020ba34a34ed4e1060e27a8fe9ec11","schema_version":"1.0","event_id":"sha256:621271de0eb97fa700910f457f3b8a71d3020ba34a34ed4e1060e27a8fe9ec11"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:CJACF5IYOPVSOAXIDORXQZEVAB","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Inspecting Maude Variants with GLINTS","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.PL"],"primary_cat":"cs.LO","authors_text":"Angel Cuenca-Ortega, Julia Sapi\\~na, Mar\\'ia Alpuente, Santiago Escobar","submitted_at":"2017-07-18T13:20:39Z","abstract_excerpt":"This paper introduces GLINTS, a graphical tool for exploring variant narrowing computations in Maude. The most recent version of Maude, version 2.7.1, provides quite sophisticated unification features, including order-sorted equational unification for convergent theories modulo axioms such as associativity, commutativity, and identity (ACU). This novel equational unification relies on built-in generation of the set of 'variants' of a term $t$, i.e., the canonical form of $t \\sigma$ for a computed substitution $\\sigma$. Variant generation relies on a novel narrowing strategy called 'folding var"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1707.05599","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":"2026-05-18T00:40:01Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"roPmnDzv+IwAFIdhNF5uImNO0iDjfA+mLRiXHnVd87AN2VEWPtIKGjjKxFKsf7pnSjeP7tLrMG8Qk1buq13oBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T23:20:59.319889Z"},"content_sha256":"2c54a5229ee2ea84bdcd42b516828f6d61c3964b9e9dd8629f0b91f0fd2cfcc9","schema_version":"1.0","event_id":"sha256:2c54a5229ee2ea84bdcd42b516828f6d61c3964b9e9dd8629f0b91f0fd2cfcc9"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/CJACF5IYOPVSOAXIDORXQZEVAB/bundle.json","state_url":"https://pith.science/pith/CJACF5IYOPVSOAXIDORXQZEVAB/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/CJACF5IYOPVSOAXIDORXQZEVAB/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":"2026-05-31T23:20:59Z","links":{"resolver":"https://pith.science/pith/CJACF5IYOPVSOAXIDORXQZEVAB","bundle":"https://pith.science/pith/CJACF5IYOPVSOAXIDORXQZEVAB/bundle.json","state":"https://pith.science/pith/CJACF5IYOPVSOAXIDORXQZEVAB/state.json","well_known_bundle":"https://pith.science/.well-known/pith/CJACF5IYOPVSOAXIDORXQZEVAB/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:CJACF5IYOPVSOAXIDORXQZEVAB","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":"1708066653ad2c7fcb54bd2030801f2d3f44a45c26f94e4c07c1a91192861beb","cross_cats_sorted":["cs.PL"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LO","submitted_at":"2017-07-18T13:20:39Z","title_canon_sha256":"dd6396d1ea7ebcb936abad97f67a1e127aee28e85e2505fb54806aff15fdc4d9"},"schema_version":"1.0","source":{"id":"1707.05599","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1707.05599","created_at":"2026-05-18T00:40:01Z"},{"alias_kind":"arxiv_version","alias_value":"1707.05599v1","created_at":"2026-05-18T00:40:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1707.05599","created_at":"2026-05-18T00:40:01Z"},{"alias_kind":"pith_short_12","alias_value":"CJACF5IYOPVS","created_at":"2026-05-18T12:31:10Z"},{"alias_kind":"pith_short_16","alias_value":"CJACF5IYOPVSOAXI","created_at":"2026-05-18T12:31:10Z"},{"alias_kind":"pith_short_8","alias_value":"CJACF5IY","created_at":"2026-05-18T12:31:10Z"}],"graph_snapshots":[{"event_id":"sha256:2c54a5229ee2ea84bdcd42b516828f6d61c3964b9e9dd8629f0b91f0fd2cfcc9","target":"graph","created_at":"2026-05-18T00:40:01Z","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":"This paper introduces GLINTS, a graphical tool for exploring variant narrowing computations in Maude. The most recent version of Maude, version 2.7.1, provides quite sophisticated unification features, including order-sorted equational unification for convergent theories modulo axioms such as associativity, commutativity, and identity (ACU). This novel equational unification relies on built-in generation of the set of 'variants' of a term $t$, i.e., the canonical form of $t \\sigma$ for a computed substitution $\\sigma$. Variant generation relies on a novel narrowing strategy called 'folding var","authors_text":"Angel Cuenca-Ortega, Julia Sapi\\~na, Mar\\'ia Alpuente, Santiago Escobar","cross_cats":["cs.PL"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LO","submitted_at":"2017-07-18T13:20:39Z","title":"Inspecting Maude Variants with GLINTS"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1707.05599","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":"sha256:621271de0eb97fa700910f457f3b8a71d3020ba34a34ed4e1060e27a8fe9ec11","target":"record","created_at":"2026-05-18T00:40:01Z","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":"1708066653ad2c7fcb54bd2030801f2d3f44a45c26f94e4c07c1a91192861beb","cross_cats_sorted":["cs.PL"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LO","submitted_at":"2017-07-18T13:20:39Z","title_canon_sha256":"dd6396d1ea7ebcb936abad97f67a1e127aee28e85e2505fb54806aff15fdc4d9"},"schema_version":"1.0","source":{"id":"1707.05599","kind":"arxiv","version":1}},"canonical_sha256":"124022f51873eb2702e81ba37864950078b39c6a389dff2ef57ba9489c80c5b5","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"124022f51873eb2702e81ba37864950078b39c6a389dff2ef57ba9489c80c5b5","first_computed_at":"2026-05-18T00:40:01.937229Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:40:01.937229Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"4GSpuHwbEurJaJ25/nPImdcg3zK6mIb1SvE+Abma3HlmDUGhrXHYiH/bTmRUUz7bYOaVEJYGCDMonNwIxj2oAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:40:01.937651Z","signed_message":"canonical_sha256_bytes"},"source_id":"1707.05599","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:621271de0eb97fa700910f457f3b8a71d3020ba34a34ed4e1060e27a8fe9ec11","sha256:2c54a5229ee2ea84bdcd42b516828f6d61c3964b9e9dd8629f0b91f0fd2cfcc9"],"state_sha256":"bc7bc193f4a1d9eda4e5b8acdf92f24be8db0af52bda7d0388cd66539532db87"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"EvZ4TR/RyK8+YLrWTqP6+ab2CZR/mUOuV1N6hoNnzbddKcaRXfw51rShTNprvnni0WpmkO5k7vpTmLaS5mjcBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T23:20:59.324189Z","bundle_sha256":"fb0dee6bf04e1bb49b249ab80c537fc8062eb117b22cd418b7b501551fc12407"}}