{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:SVU3XD5DNNNI5PO5NJSYLVT2OY","short_pith_number":"pith:SVU3XD5D","canonical_record":{"source":{"id":"2606.31601","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CR","submitted_at":"2026-06-30T12:50:55Z","cross_cats_sorted":["cs.IT","math.IT"],"title_canon_sha256":"a9c73209e8ebc071f04d79aaffd0df1bed6e44845e45bbfd1b4c5224f5ed5fe9","abstract_canon_sha256":"b3f8f0a910401e4a7507f2a47e8aab365a804d898f3f4cf9d6bcdbf39a407b78"},"schema_version":"1.0"},"canonical_sha256":"9569bb8fa36b5a8ebddd6a6585d67a76377acdb67c011c9fae7a0efc15cde041","source":{"kind":"arxiv","id":"2606.31601","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.31601","created_at":"2026-07-01T01:18:08Z"},{"alias_kind":"arxiv_version","alias_value":"2606.31601v1","created_at":"2026-07-01T01:18:08Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.31601","created_at":"2026-07-01T01:18:08Z"},{"alias_kind":"pith_short_12","alias_value":"SVU3XD5DNNNI","created_at":"2026-07-01T01:18:08Z"},{"alias_kind":"pith_short_16","alias_value":"SVU3XD5DNNNI5PO5","created_at":"2026-07-01T01:18:08Z"},{"alias_kind":"pith_short_8","alias_value":"SVU3XD5D","created_at":"2026-07-01T01:18:08Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:SVU3XD5DNNNI5PO5NJSYLVT2OY","target":"record","payload":{"canonical_record":{"source":{"id":"2606.31601","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CR","submitted_at":"2026-06-30T12:50:55Z","cross_cats_sorted":["cs.IT","math.IT"],"title_canon_sha256":"a9c73209e8ebc071f04d79aaffd0df1bed6e44845e45bbfd1b4c5224f5ed5fe9","abstract_canon_sha256":"b3f8f0a910401e4a7507f2a47e8aab365a804d898f3f4cf9d6bcdbf39a407b78"},"schema_version":"1.0"},"canonical_sha256":"9569bb8fa36b5a8ebddd6a6585d67a76377acdb67c011c9fae7a0efc15cde041","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-01T01:18:08.792501Z","signature_b64":"M+JxriXz6xYFVs8HP9xKsdu26vMtmJH1dKH3TFFT19otxYC76GLwF0ixGHb9I/sC4LCeq97o6pFIQdcELwkcAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9569bb8fa36b5a8ebddd6a6585d67a76377acdb67c011c9fae7a0efc15cde041","last_reissued_at":"2026-07-01T01:18:08.792085Z","signature_status":"signed_v1","first_computed_at":"2026-07-01T01:18:08.792085Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2606.31601","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":"2026-07-01T01:18:08Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"cTa1E4Rpg0GDnRhThEA2vHxRuIX0HicfegNmtZ3PeKBvMaelTZWmi6F+xJl9OM0f3KFO4qxNtDo1Y3b9i42jBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-28T15:31:18.310908Z"},"content_sha256":"e172a91f657cd8cac95972e89dd808da4a8183a9e96086108a84daa7c3dcd8e3","schema_version":"1.0","event_id":"sha256:e172a91f657cd8cac95972e89dd808da4a8183a9e96086108a84daa7c3dcd8e3"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:SVU3XD5DNNNI5PO5NJSYLVT2OY","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Digital signature schemes based on code equivalence and syndrome decoding from restricted errors","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.IT","math.IT"],"primary_cat":"cs.CR","authors_text":"Gretchen L. Matthews, Hiram H. L\\'opez, Jason T. LeGrow, Sarah Arpin","submitted_at":"2026-06-30T12:50:55Z","abstract_excerpt":"Digital signature schemes are an important cryptographic tool to ensure data authenticity and integrity in many applications that must be resilient to attacks, including those facilitated by quantum computers. We consider the two digital signature schemes based on error-correcting codes that are second-round candidates in NIST's call for Additional Signature Schemes, which is part of the Post-Quantum Cryptography Standardization Process. Specifically, we provide an overview of the Codes and Restricted Objects Signature Scheme (CROSS) and the Linear Equivalence Signature Scheme (LESS). We descr"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.31601","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2606.31601/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-01T01:18:08Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"NFVMa5LbEuz1D7ICebhe59wLK9tVS+N2ULj9TiPSw+hGHijGc419koiiPjouwsvEjQbwu35oVJrkp2k1wZpuCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-28T15:31:18.311300Z"},"content_sha256":"3f5f5b7c5c4f90668734cbf3147a41a015cda92fb59b19fb6a8dedb78db4797e","schema_version":"1.0","event_id":"sha256:3f5f5b7c5c4f90668734cbf3147a41a015cda92fb59b19fb6a8dedb78db4797e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/SVU3XD5DNNNI5PO5NJSYLVT2OY/bundle.json","state_url":"https://pith.science/pith/SVU3XD5DNNNI5PO5NJSYLVT2OY/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/SVU3XD5DNNNI5PO5NJSYLVT2OY/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":"2026-07-28T15:31:18Z","links":{"resolver":"https://pith.science/pith/SVU3XD5DNNNI5PO5NJSYLVT2OY","bundle":"https://pith.science/pith/SVU3XD5DNNNI5PO5NJSYLVT2OY/bundle.json","state":"https://pith.science/pith/SVU3XD5DNNNI5PO5NJSYLVT2OY/state.json","well_known_bundle":"https://pith.science/.well-known/pith/SVU3XD5DNNNI5PO5NJSYLVT2OY/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:SVU3XD5DNNNI5PO5NJSYLVT2OY","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":"b3f8f0a910401e4a7507f2a47e8aab365a804d898f3f4cf9d6bcdbf39a407b78","cross_cats_sorted":["cs.IT","math.IT"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CR","submitted_at":"2026-06-30T12:50:55Z","title_canon_sha256":"a9c73209e8ebc071f04d79aaffd0df1bed6e44845e45bbfd1b4c5224f5ed5fe9"},"schema_version":"1.0","source":{"id":"2606.31601","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.31601","created_at":"2026-07-01T01:18:08Z"},{"alias_kind":"arxiv_version","alias_value":"2606.31601v1","created_at":"2026-07-01T01:18:08Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.31601","created_at":"2026-07-01T01:18:08Z"},{"alias_kind":"pith_short_12","alias_value":"SVU3XD5DNNNI","created_at":"2026-07-01T01:18:08Z"},{"alias_kind":"pith_short_16","alias_value":"SVU3XD5DNNNI5PO5","created_at":"2026-07-01T01:18:08Z"},{"alias_kind":"pith_short_8","alias_value":"SVU3XD5D","created_at":"2026-07-01T01:18:08Z"}],"graph_snapshots":[{"event_id":"sha256:3f5f5b7c5c4f90668734cbf3147a41a015cda92fb59b19fb6a8dedb78db4797e","target":"graph","created_at":"2026-07-01T01:18:08Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2606.31601/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Digital signature schemes are an important cryptographic tool to ensure data authenticity and integrity in many applications that must be resilient to attacks, including those facilitated by quantum computers. We consider the two digital signature schemes based on error-correcting codes that are second-round candidates in NIST's call for Additional Signature Schemes, which is part of the Post-Quantum Cryptography Standardization Process. Specifically, we provide an overview of the Codes and Restricted Objects Signature Scheme (CROSS) and the Linear Equivalence Signature Scheme (LESS). We descr","authors_text":"Gretchen L. Matthews, Hiram H. L\\'opez, Jason T. LeGrow, Sarah Arpin","cross_cats":["cs.IT","math.IT"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CR","submitted_at":"2026-06-30T12:50:55Z","title":"Digital signature schemes based on code equivalence and syndrome decoding from restricted errors"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.31601","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:e172a91f657cd8cac95972e89dd808da4a8183a9e96086108a84daa7c3dcd8e3","target":"record","created_at":"2026-07-01T01:18:08Z","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":"b3f8f0a910401e4a7507f2a47e8aab365a804d898f3f4cf9d6bcdbf39a407b78","cross_cats_sorted":["cs.IT","math.IT"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CR","submitted_at":"2026-06-30T12:50:55Z","title_canon_sha256":"a9c73209e8ebc071f04d79aaffd0df1bed6e44845e45bbfd1b4c5224f5ed5fe9"},"schema_version":"1.0","source":{"id":"2606.31601","kind":"arxiv","version":1}},"canonical_sha256":"9569bb8fa36b5a8ebddd6a6585d67a76377acdb67c011c9fae7a0efc15cde041","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9569bb8fa36b5a8ebddd6a6585d67a76377acdb67c011c9fae7a0efc15cde041","first_computed_at":"2026-07-01T01:18:08.792085Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-01T01:18:08.792085Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"M+JxriXz6xYFVs8HP9xKsdu26vMtmJH1dKH3TFFT19otxYC76GLwF0ixGHb9I/sC4LCeq97o6pFIQdcELwkcAg==","signature_status":"signed_v1","signed_at":"2026-07-01T01:18:08.792501Z","signed_message":"canonical_sha256_bytes"},"source_id":"2606.31601","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e172a91f657cd8cac95972e89dd808da4a8183a9e96086108a84daa7c3dcd8e3","sha256:3f5f5b7c5c4f90668734cbf3147a41a015cda92fb59b19fb6a8dedb78db4797e"],"state_sha256":"6c6b0d45eb128cbf99b1d03abf6c278b6d7fd0b49683c7190a068a798c6db5d3"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"UDWDwA9C3Y1441GoUF0iyGFJh8lEFmH7holDIs9LpOBGufuc4PzUl9KAXR3YRb4y0fa/QMDZiXo2e+EsHTfvDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-28T15:31:18.313852Z","bundle_sha256":"aec1f86f52f446c4f7808f437b82c80bddd3748f7acdacfe202979d43cb4548b"}}