{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:LSSQEMYKZXCVJECRK34USMZGYP","short_pith_number":"pith:LSSQEMYK","canonical_record":{"source":{"id":"1907.10363","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DM","submitted_at":"2019-07-24T11:02:23Z","cross_cats_sorted":["cs.DS","math.CO"],"title_canon_sha256":"41bed4ca22858e80b1627dda83422d5a821fc812bb2976cab9b5696a5bba2631","abstract_canon_sha256":"a99a94ad16b136d160464e97228d7c0d3f6314bd05aadc84905dbc615b94d91a"},"schema_version":"1.0"},"canonical_sha256":"5ca502330acdc554905156f9493326c3ebd51640d6edddb81b9cefbb25651f54","source":{"kind":"arxiv","id":"1907.10363","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1907.10363","created_at":"2026-05-17T23:39:38Z"},{"alias_kind":"arxiv_version","alias_value":"1907.10363v1","created_at":"2026-05-17T23:39:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1907.10363","created_at":"2026-05-17T23:39:38Z"},{"alias_kind":"pith_short_12","alias_value":"LSSQEMYKZXCV","created_at":"2026-05-18T12:33:21Z"},{"alias_kind":"pith_short_16","alias_value":"LSSQEMYKZXCVJECR","created_at":"2026-05-18T12:33:21Z"},{"alias_kind":"pith_short_8","alias_value":"LSSQEMYK","created_at":"2026-05-18T12:33:21Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:LSSQEMYKZXCVJECRK34USMZGYP","target":"record","payload":{"canonical_record":{"source":{"id":"1907.10363","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DM","submitted_at":"2019-07-24T11:02:23Z","cross_cats_sorted":["cs.DS","math.CO"],"title_canon_sha256":"41bed4ca22858e80b1627dda83422d5a821fc812bb2976cab9b5696a5bba2631","abstract_canon_sha256":"a99a94ad16b136d160464e97228d7c0d3f6314bd05aadc84905dbc615b94d91a"},"schema_version":"1.0"},"canonical_sha256":"5ca502330acdc554905156f9493326c3ebd51640d6edddb81b9cefbb25651f54","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:39:38.169964Z","signature_b64":"OqRE9cRFUXMlPe5jyVw5GsFmqJ4ZEsHOsHB0QVv8e4nsro9daC60IfnsIm7lXLW7+Vd6PgY8KnDnKNy4iLqcAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5ca502330acdc554905156f9493326c3ebd51640d6edddb81b9cefbb25651f54","last_reissued_at":"2026-05-17T23:39:38.169307Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:39:38.169307Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1907.10363","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":"2026-05-17T23:39:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gTOAXwzi5Y4A5Tgusk7cWPAyICOc6GVSqRcTaN5g8C0XY9/gNIWm/AsY0auHTCmRmMXxJoY2MZucZxz3RudoBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T17:20:03.814066Z"},"content_sha256":"9ff94c50a185e30b5b4deb847bcafc9d5481dd2033afe994310ab0b2d8b90105","schema_version":"1.0","event_id":"sha256:9ff94c50a185e30b5b4deb847bcafc9d5481dd2033afe994310ab0b2d8b90105"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:LSSQEMYKZXCVJECRK34USMZGYP","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Classification of linear codes using canonical augmentation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.DS","math.CO"],"primary_cat":"cs.DM","authors_text":"Iliya Bouyukliev, Stefka Bouyuklieva","submitted_at":"2019-07-24T11:02:23Z","abstract_excerpt":"We propose an algorithm for classification of linear codes over different finite fields based on canonical augmentation. We apply this algorithm to obtain classification results over fields with 2, 3 and 4 elements."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1907.10363","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":"2026-05-17T23:39:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+DCfv+mykpsnKLWhMxLx4ABkCXY6UG4Szesh2M7qe7eZ46W47wT3yRbSC97tIQVpUFLUecW0I3mvksexmZGrAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T17:20:03.814744Z"},"content_sha256":"5b53d26b0f9bc220596ac00bace636cee52cfed7ef6ac648d031ed20bccc7184","schema_version":"1.0","event_id":"sha256:5b53d26b0f9bc220596ac00bace636cee52cfed7ef6ac648d031ed20bccc7184"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/LSSQEMYKZXCVJECRK34USMZGYP/bundle.json","state_url":"https://pith.science/pith/LSSQEMYKZXCVJECRK34USMZGYP/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/LSSQEMYKZXCVJECRK34USMZGYP/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":"2026-05-25T17:20:03Z","links":{"resolver":"https://pith.science/pith/LSSQEMYKZXCVJECRK34USMZGYP","bundle":"https://pith.science/pith/LSSQEMYKZXCVJECRK34USMZGYP/bundle.json","state":"https://pith.science/pith/LSSQEMYKZXCVJECRK34USMZGYP/state.json","well_known_bundle":"https://pith.science/.well-known/pith/LSSQEMYKZXCVJECRK34USMZGYP/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:LSSQEMYKZXCVJECRK34USMZGYP","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":"a99a94ad16b136d160464e97228d7c0d3f6314bd05aadc84905dbc615b94d91a","cross_cats_sorted":["cs.DS","math.CO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DM","submitted_at":"2019-07-24T11:02:23Z","title_canon_sha256":"41bed4ca22858e80b1627dda83422d5a821fc812bb2976cab9b5696a5bba2631"},"schema_version":"1.0","source":{"id":"1907.10363","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1907.10363","created_at":"2026-05-17T23:39:38Z"},{"alias_kind":"arxiv_version","alias_value":"1907.10363v1","created_at":"2026-05-17T23:39:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1907.10363","created_at":"2026-05-17T23:39:38Z"},{"alias_kind":"pith_short_12","alias_value":"LSSQEMYKZXCV","created_at":"2026-05-18T12:33:21Z"},{"alias_kind":"pith_short_16","alias_value":"LSSQEMYKZXCVJECR","created_at":"2026-05-18T12:33:21Z"},{"alias_kind":"pith_short_8","alias_value":"LSSQEMYK","created_at":"2026-05-18T12:33:21Z"}],"graph_snapshots":[{"event_id":"sha256:5b53d26b0f9bc220596ac00bace636cee52cfed7ef6ac648d031ed20bccc7184","target":"graph","created_at":"2026-05-17T23:39:38Z","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 propose an algorithm for classification of linear codes over different finite fields based on canonical augmentation. We apply this algorithm to obtain classification results over fields with 2, 3 and 4 elements.","authors_text":"Iliya Bouyukliev, Stefka Bouyuklieva","cross_cats":["cs.DS","math.CO"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DM","submitted_at":"2019-07-24T11:02:23Z","title":"Classification of linear codes using canonical augmentation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1907.10363","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":"sha256:9ff94c50a185e30b5b4deb847bcafc9d5481dd2033afe994310ab0b2d8b90105","target":"record","created_at":"2026-05-17T23:39:38Z","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":"a99a94ad16b136d160464e97228d7c0d3f6314bd05aadc84905dbc615b94d91a","cross_cats_sorted":["cs.DS","math.CO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DM","submitted_at":"2019-07-24T11:02:23Z","title_canon_sha256":"41bed4ca22858e80b1627dda83422d5a821fc812bb2976cab9b5696a5bba2631"},"schema_version":"1.0","source":{"id":"1907.10363","kind":"arxiv","version":1}},"canonical_sha256":"5ca502330acdc554905156f9493326c3ebd51640d6edddb81b9cefbb25651f54","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5ca502330acdc554905156f9493326c3ebd51640d6edddb81b9cefbb25651f54","first_computed_at":"2026-05-17T23:39:38.169307Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:39:38.169307Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"OqRE9cRFUXMlPe5jyVw5GsFmqJ4ZEsHOsHB0QVv8e4nsro9daC60IfnsIm7lXLW7+Vd6PgY8KnDnKNy4iLqcAw==","signature_status":"signed_v1","signed_at":"2026-05-17T23:39:38.169964Z","signed_message":"canonical_sha256_bytes"},"source_id":"1907.10363","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9ff94c50a185e30b5b4deb847bcafc9d5481dd2033afe994310ab0b2d8b90105","sha256:5b53d26b0f9bc220596ac00bace636cee52cfed7ef6ac648d031ed20bccc7184"],"state_sha256":"5820135e0e71cfb8828dfadd337f2213e4f0530302abbffb3d32b5161dfbaaa6"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9xbVBA6FFG60yZYUGmhhuUxKAuSj+x2X73bZYdQ8UA/GlHwWU7gq1xNHejyyBIueXZuIEumxwVAHxMBEjrm1Cg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T17:20:03.818104Z","bundle_sha256":"ad7977e9fa8e523c3b37601c2353f79312f6ebdd2cf0281f8280e0ac2862a705"}}