{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:AV24XW327COIIJ66SRWCJCY2EN","short_pith_number":"pith:AV24XW32","canonical_record":{"source":{"id":"1408.2127","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.CO","submitted_at":"2014-08-09T15:36:01Z","cross_cats_sorted":[],"title_canon_sha256":"467efb51d21fcd8967aa947f7ff9803e60cf5b501ac1855087331a86b8db36a5","abstract_canon_sha256":"5fd657f1bb014cada3eeb89cd49cf1973c1f5dde268a6fc5dbca6b79c3a1f2f8"},"schema_version":"1.0"},"canonical_sha256":"0575cbdb7af89c8427de946c248b1a235f16ded9009eeb0d9cf18c9b8f12992d","source":{"kind":"arxiv","id":"1408.2127","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1408.2127","created_at":"2026-05-18T02:20:12Z"},{"alias_kind":"arxiv_version","alias_value":"1408.2127v1","created_at":"2026-05-18T02:20:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1408.2127","created_at":"2026-05-18T02:20:12Z"},{"alias_kind":"pith_short_12","alias_value":"AV24XW327COI","created_at":"2026-05-18T12:28:19Z"},{"alias_kind":"pith_short_16","alias_value":"AV24XW327COIIJ66","created_at":"2026-05-18T12:28:19Z"},{"alias_kind":"pith_short_8","alias_value":"AV24XW32","created_at":"2026-05-18T12:28:19Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:AV24XW327COIIJ66SRWCJCY2EN","target":"record","payload":{"canonical_record":{"source":{"id":"1408.2127","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.CO","submitted_at":"2014-08-09T15:36:01Z","cross_cats_sorted":[],"title_canon_sha256":"467efb51d21fcd8967aa947f7ff9803e60cf5b501ac1855087331a86b8db36a5","abstract_canon_sha256":"5fd657f1bb014cada3eeb89cd49cf1973c1f5dde268a6fc5dbca6b79c3a1f2f8"},"schema_version":"1.0"},"canonical_sha256":"0575cbdb7af89c8427de946c248b1a235f16ded9009eeb0d9cf18c9b8f12992d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:20:12.537884Z","signature_b64":"CyK75dr/Izhw23sDBh9YLdNaHHLHXUWK3+vQYxEEOAZ/yKrlEWZZjh9g58d5X7nE4jdlzBTe5tybulxVPDexBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0575cbdb7af89c8427de946c248b1a235f16ded9009eeb0d9cf18c9b8f12992d","last_reissued_at":"2026-05-18T02:20:12.537429Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:20:12.537429Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1408.2127","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":"2026-05-18T02:20:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"yRUb/+q17/AB/tAA/3rPVmYYfnVeIEUDvj2BVdVSOHjmb/PKC0s5QdWGHBGu8AMbK45gQdWpiig9UXqopWWuCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-29T13:31:14.049095Z"},"content_sha256":"43da42f4b63d91cdcf3428da764be2d748ccc5f7dd47f1cd5543c975a2833f02","schema_version":"1.0","event_id":"sha256:43da42f4b63d91cdcf3428da764be2d748ccc5f7dd47f1cd5543c975a2833f02"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:AV24XW327COIIJ66SRWCJCY2EN","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Sporadic Examples of Directed Strongly Regular Graphs Obtained by Computer Algebra Experimentation (Extended version)","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"math.CO","authors_text":"Mikhail Klin, \\v{S}tefan Gy\\\"urki","submitted_at":"2014-08-09T15:36:01Z","abstract_excerpt":"We report about the results of the application of modern computer algebra tools for construction of directed strongly regular graphs. The suggested techniques are based on the investigation of non-commutative association schemes and Cayley graphs over non-Abelian groups. We demonstrate examples of directed strongly regular graphs for 28 different parameter sets, for which the existence of a corresponding digraph has not been known before."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1408.2127","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":"2026-05-18T02:20:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Xm1BE8r60y6oyFT7bjvszF3lLWhUu6WvYJY1uHKdwn/XBON6ji8ykYkKmMxwqrJRCFw84A3bHXZSsA5DHwJBDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-29T13:31:14.049444Z"},"content_sha256":"9eda970f59606538f5320ca99a9a384e53965e3ac115823fdeeaea7f347a41de","schema_version":"1.0","event_id":"sha256:9eda970f59606538f5320ca99a9a384e53965e3ac115823fdeeaea7f347a41de"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/AV24XW327COIIJ66SRWCJCY2EN/bundle.json","state_url":"https://pith.science/pith/AV24XW327COIIJ66SRWCJCY2EN/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/AV24XW327COIIJ66SRWCJCY2EN/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":"2026-06-29T13:31:14Z","links":{"resolver":"https://pith.science/pith/AV24XW327COIIJ66SRWCJCY2EN","bundle":"https://pith.science/pith/AV24XW327COIIJ66SRWCJCY2EN/bundle.json","state":"https://pith.science/pith/AV24XW327COIIJ66SRWCJCY2EN/state.json","well_known_bundle":"https://pith.science/.well-known/pith/AV24XW327COIIJ66SRWCJCY2EN/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:AV24XW327COIIJ66SRWCJCY2EN","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":"5fd657f1bb014cada3eeb89cd49cf1973c1f5dde268a6fc5dbca6b79c3a1f2f8","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.CO","submitted_at":"2014-08-09T15:36:01Z","title_canon_sha256":"467efb51d21fcd8967aa947f7ff9803e60cf5b501ac1855087331a86b8db36a5"},"schema_version":"1.0","source":{"id":"1408.2127","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1408.2127","created_at":"2026-05-18T02:20:12Z"},{"alias_kind":"arxiv_version","alias_value":"1408.2127v1","created_at":"2026-05-18T02:20:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1408.2127","created_at":"2026-05-18T02:20:12Z"},{"alias_kind":"pith_short_12","alias_value":"AV24XW327COI","created_at":"2026-05-18T12:28:19Z"},{"alias_kind":"pith_short_16","alias_value":"AV24XW327COIIJ66","created_at":"2026-05-18T12:28:19Z"},{"alias_kind":"pith_short_8","alias_value":"AV24XW32","created_at":"2026-05-18T12:28:19Z"}],"graph_snapshots":[{"event_id":"sha256:9eda970f59606538f5320ca99a9a384e53965e3ac115823fdeeaea7f347a41de","target":"graph","created_at":"2026-05-18T02:20:12Z","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 report about the results of the application of modern computer algebra tools for construction of directed strongly regular graphs. The suggested techniques are based on the investigation of non-commutative association schemes and Cayley graphs over non-Abelian groups. We demonstrate examples of directed strongly regular graphs for 28 different parameter sets, for which the existence of a corresponding digraph has not been known before.","authors_text":"Mikhail Klin, \\v{S}tefan Gy\\\"urki","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.CO","submitted_at":"2014-08-09T15:36:01Z","title":"Sporadic Examples of Directed Strongly Regular Graphs Obtained by Computer Algebra Experimentation (Extended version)"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1408.2127","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":"sha256:43da42f4b63d91cdcf3428da764be2d748ccc5f7dd47f1cd5543c975a2833f02","target":"record","created_at":"2026-05-18T02:20:12Z","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":"5fd657f1bb014cada3eeb89cd49cf1973c1f5dde268a6fc5dbca6b79c3a1f2f8","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.CO","submitted_at":"2014-08-09T15:36:01Z","title_canon_sha256":"467efb51d21fcd8967aa947f7ff9803e60cf5b501ac1855087331a86b8db36a5"},"schema_version":"1.0","source":{"id":"1408.2127","kind":"arxiv","version":1}},"canonical_sha256":"0575cbdb7af89c8427de946c248b1a235f16ded9009eeb0d9cf18c9b8f12992d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0575cbdb7af89c8427de946c248b1a235f16ded9009eeb0d9cf18c9b8f12992d","first_computed_at":"2026-05-18T02:20:12.537429Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:20:12.537429Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"CyK75dr/Izhw23sDBh9YLdNaHHLHXUWK3+vQYxEEOAZ/yKrlEWZZjh9g58d5X7nE4jdlzBTe5tybulxVPDexBg==","signature_status":"signed_v1","signed_at":"2026-05-18T02:20:12.537884Z","signed_message":"canonical_sha256_bytes"},"source_id":"1408.2127","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:43da42f4b63d91cdcf3428da764be2d748ccc5f7dd47f1cd5543c975a2833f02","sha256:9eda970f59606538f5320ca99a9a384e53965e3ac115823fdeeaea7f347a41de"],"state_sha256":"f900ba5724570cf82b763fb8d640f64a52efc1b9aac289b63190a546cc3d256e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"c59YaU7mtSj/YLap5McyVdKjdU9Jth6AOw/C24P6xU/8Zp7oHSNBeRZysZwaL7aKTRPMwCfY6XvNP8J17LT5AQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-29T13:31:14.051273Z","bundle_sha256":"de7769cc72bbd4518e9e130371891551bfe9d6cfdedd8de1600c78001a591ace"}}