{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:3DQUKPIK7FFW7J22MGL452WIX6","short_pith_number":"pith:3DQUKPIK","canonical_record":{"source":{"id":"1008.1610","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2010-08-10T00:56:33Z","cross_cats_sorted":["cs.DM","math.IT"],"title_canon_sha256":"6a5f8220bb7ac70aa5b9a03cf76947b3c67d1f9f99a505921583d12934074920","abstract_canon_sha256":"fb2950971d2e478e1be7070c611dbddad25c4b2bccd5767567fb106433cfb5e2"},"schema_version":"1.0"},"canonical_sha256":"d8e1453d0af94b6fa75a6197ceeac8bfa1b39a1e9e26639c36473d248de44a15","source":{"kind":"arxiv","id":"1008.1610","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1008.1610","created_at":"2026-05-18T04:42:23Z"},{"alias_kind":"arxiv_version","alias_value":"1008.1610v1","created_at":"2026-05-18T04:42:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1008.1610","created_at":"2026-05-18T04:42:23Z"},{"alias_kind":"pith_short_12","alias_value":"3DQUKPIK7FFW","created_at":"2026-05-18T12:26:03Z"},{"alias_kind":"pith_short_16","alias_value":"3DQUKPIK7FFW7J22","created_at":"2026-05-18T12:26:03Z"},{"alias_kind":"pith_short_8","alias_value":"3DQUKPIK","created_at":"2026-05-18T12:26:03Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:3DQUKPIK7FFW7J22MGL452WIX6","target":"record","payload":{"canonical_record":{"source":{"id":"1008.1610","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2010-08-10T00:56:33Z","cross_cats_sorted":["cs.DM","math.IT"],"title_canon_sha256":"6a5f8220bb7ac70aa5b9a03cf76947b3c67d1f9f99a505921583d12934074920","abstract_canon_sha256":"fb2950971d2e478e1be7070c611dbddad25c4b2bccd5767567fb106433cfb5e2"},"schema_version":"1.0"},"canonical_sha256":"d8e1453d0af94b6fa75a6197ceeac8bfa1b39a1e9e26639c36473d248de44a15","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:42:23.715132Z","signature_b64":"N2SbDkpJuzGc4UsgTub86aVJfN2C1dV+3575dSGPLQ8FEhSPZr3KT7/AitphaXnUX1GpzU3MIusBZc0l8C2vBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d8e1453d0af94b6fa75a6197ceeac8bfa1b39a1e9e26639c36473d248de44a15","last_reissued_at":"2026-05-18T04:42:23.714597Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:42:23.714597Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1008.1610","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":"2026-05-18T04:42:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wtj3BQ4beeB6gl4nsSlvU1OFzN0T1C+r5/0AW6KSqhLACWYoEPcirJ4n5bmfE0k9ctCuu8Ds2ptX66Ho3fkRAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T12:40:18.677825Z"},"content_sha256":"bf4722e8bd89bdbaa6f9b8c1a9db7ecf992954d4902023e7b138334f89f4f882","schema_version":"1.0","event_id":"sha256:bf4722e8bd89bdbaa6f9b8c1a9db7ecf992954d4902023e7b138334f89f4f882"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:3DQUKPIK7FFW7J22MGL452WIX6","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"New Constant-Weight Codes from Propagation Rules","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.DM","math.IT"],"primary_cat":"cs.IT","authors_text":"Chaoping Xing, Sze Ling Yeo, Yeow Meng Chee","submitted_at":"2010-08-10T00:56:33Z","abstract_excerpt":"This paper proposes some simple propagation rules which give rise to new binary constant-weight codes."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1008.1610","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":"2026-05-18T04:42:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"N5UUATgJXYmFhJoX8MndGIYmy3TDJ8q4WLKB6O2q40mCETCrB8skkHyOkLhJu5bUv41EZXoKdDl2dmcFmCyMAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T12:40:18.678473Z"},"content_sha256":"c9a5f6c1e7cc0395bf4bda1e1484b653db062185df2b3ddfca32e51f0623ea18","schema_version":"1.0","event_id":"sha256:c9a5f6c1e7cc0395bf4bda1e1484b653db062185df2b3ddfca32e51f0623ea18"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/3DQUKPIK7FFW7J22MGL452WIX6/bundle.json","state_url":"https://pith.science/pith/3DQUKPIK7FFW7J22MGL452WIX6/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/3DQUKPIK7FFW7J22MGL452WIX6/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":"2026-06-07T12:40:18Z","links":{"resolver":"https://pith.science/pith/3DQUKPIK7FFW7J22MGL452WIX6","bundle":"https://pith.science/pith/3DQUKPIK7FFW7J22MGL452WIX6/bundle.json","state":"https://pith.science/pith/3DQUKPIK7FFW7J22MGL452WIX6/state.json","well_known_bundle":"https://pith.science/.well-known/pith/3DQUKPIK7FFW7J22MGL452WIX6/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:3DQUKPIK7FFW7J22MGL452WIX6","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":"fb2950971d2e478e1be7070c611dbddad25c4b2bccd5767567fb106433cfb5e2","cross_cats_sorted":["cs.DM","math.IT"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2010-08-10T00:56:33Z","title_canon_sha256":"6a5f8220bb7ac70aa5b9a03cf76947b3c67d1f9f99a505921583d12934074920"},"schema_version":"1.0","source":{"id":"1008.1610","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1008.1610","created_at":"2026-05-18T04:42:23Z"},{"alias_kind":"arxiv_version","alias_value":"1008.1610v1","created_at":"2026-05-18T04:42:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1008.1610","created_at":"2026-05-18T04:42:23Z"},{"alias_kind":"pith_short_12","alias_value":"3DQUKPIK7FFW","created_at":"2026-05-18T12:26:03Z"},{"alias_kind":"pith_short_16","alias_value":"3DQUKPIK7FFW7J22","created_at":"2026-05-18T12:26:03Z"},{"alias_kind":"pith_short_8","alias_value":"3DQUKPIK","created_at":"2026-05-18T12:26:03Z"}],"graph_snapshots":[{"event_id":"sha256:c9a5f6c1e7cc0395bf4bda1e1484b653db062185df2b3ddfca32e51f0623ea18","target":"graph","created_at":"2026-05-18T04:42:23Z","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 proposes some simple propagation rules which give rise to new binary constant-weight codes.","authors_text":"Chaoping Xing, Sze Ling Yeo, Yeow Meng Chee","cross_cats":["cs.DM","math.IT"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2010-08-10T00:56:33Z","title":"New Constant-Weight Codes from Propagation Rules"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1008.1610","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:bf4722e8bd89bdbaa6f9b8c1a9db7ecf992954d4902023e7b138334f89f4f882","target":"record","created_at":"2026-05-18T04:42:23Z","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":"fb2950971d2e478e1be7070c611dbddad25c4b2bccd5767567fb106433cfb5e2","cross_cats_sorted":["cs.DM","math.IT"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2010-08-10T00:56:33Z","title_canon_sha256":"6a5f8220bb7ac70aa5b9a03cf76947b3c67d1f9f99a505921583d12934074920"},"schema_version":"1.0","source":{"id":"1008.1610","kind":"arxiv","version":1}},"canonical_sha256":"d8e1453d0af94b6fa75a6197ceeac8bfa1b39a1e9e26639c36473d248de44a15","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d8e1453d0af94b6fa75a6197ceeac8bfa1b39a1e9e26639c36473d248de44a15","first_computed_at":"2026-05-18T04:42:23.714597Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:42:23.714597Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"N2SbDkpJuzGc4UsgTub86aVJfN2C1dV+3575dSGPLQ8FEhSPZr3KT7/AitphaXnUX1GpzU3MIusBZc0l8C2vBw==","signature_status":"signed_v1","signed_at":"2026-05-18T04:42:23.715132Z","signed_message":"canonical_sha256_bytes"},"source_id":"1008.1610","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:bf4722e8bd89bdbaa6f9b8c1a9db7ecf992954d4902023e7b138334f89f4f882","sha256:c9a5f6c1e7cc0395bf4bda1e1484b653db062185df2b3ddfca32e51f0623ea18"],"state_sha256":"bda386cc1bd1db5cef83a1c3cec8cadc3b6abf6ae34cf5f6f90a2cbd1f736522"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"U7lut0Cpyqkmakt6WUpyMx59HOhjnzCzCIhVTXLOlOP2VycfPMDRo2k1TswQV0KWnuQPIAhAd6wYLeuuoe8OBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-07T12:40:18.681755Z","bundle_sha256":"90d02f2a6b218657ed5e026b22d1eb2a764b909b6a1997b4bb07f1326b2e710f"}}