{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:XPRBJHWEFVSWLAORS2LH7T567K","short_pith_number":"pith:XPRBJHWE","canonical_record":{"source":{"id":"1410.3096","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nlin.CG","submitted_at":"2014-10-12T14:40:50Z","cross_cats_sorted":[],"title_canon_sha256":"53a39b08466d4f66e04e20c2ba74168a2eccc1d4ba4eba6cfe7d34ec86d187d2","abstract_canon_sha256":"1508b9ba626febc662af532965a6d064f3373cca54236e01e93a09a8aba90820"},"schema_version":"1.0"},"canonical_sha256":"bbe2149ec42d656581d196967fcfbefaa5ddae49328b7387f8237880d04df763","source":{"kind":"arxiv","id":"1410.3096","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1410.3096","created_at":"2026-05-18T02:40:17Z"},{"alias_kind":"arxiv_version","alias_value":"1410.3096v1","created_at":"2026-05-18T02:40:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1410.3096","created_at":"2026-05-18T02:40:17Z"},{"alias_kind":"pith_short_12","alias_value":"XPRBJHWEFVSW","created_at":"2026-05-18T12:28:57Z"},{"alias_kind":"pith_short_16","alias_value":"XPRBJHWEFVSWLAOR","created_at":"2026-05-18T12:28:57Z"},{"alias_kind":"pith_short_8","alias_value":"XPRBJHWE","created_at":"2026-05-18T12:28:57Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:XPRBJHWEFVSWLAORS2LH7T567K","target":"record","payload":{"canonical_record":{"source":{"id":"1410.3096","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nlin.CG","submitted_at":"2014-10-12T14:40:50Z","cross_cats_sorted":[],"title_canon_sha256":"53a39b08466d4f66e04e20c2ba74168a2eccc1d4ba4eba6cfe7d34ec86d187d2","abstract_canon_sha256":"1508b9ba626febc662af532965a6d064f3373cca54236e01e93a09a8aba90820"},"schema_version":"1.0"},"canonical_sha256":"bbe2149ec42d656581d196967fcfbefaa5ddae49328b7387f8237880d04df763","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:40:17.065648Z","signature_b64":"LjIv6MATnYA2d4JHxC3u7nvS+8UTZdFh5ezfzxqcDWVuwpCkC2/xC3D5wRnkBWzuXjSglMf29lk8aNhp3rrmDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"bbe2149ec42d656581d196967fcfbefaa5ddae49328b7387f8237880d04df763","last_reissued_at":"2026-05-18T02:40:17.065217Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:40:17.065217Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1410.3096","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":"2026-05-18T02:40:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"SuOgxpcIwn8b3qQfW0EpGDrzNukLBFYc3TkxAX4Z0WvYeBxLxpg5QMudSwqLdqHVLhYknWBjV7wJlIdSt6P1DA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T19:16:42.561372Z"},"content_sha256":"1c7f3fde651fb84abe51c3044372f7dceee2501230eb9b02c91792642debb770","schema_version":"1.0","event_id":"sha256:1c7f3fde651fb84abe51c3044372f7dceee2501230eb9b02c91792642debb770"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:XPRBJHWEFVSWLAORS2LH7T567K","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Complete Characterization of Structure of Rule 54","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"nlin.CG","authors_text":"Andrew Adamatzky, Genaro J. Mart\\'inez, Harold V. McIntosh","submitted_at":"2014-10-12T14:40:50Z","abstract_excerpt":"The dynamics of rule 54 one-dimensional two-state cellular automaton (CA) are a discrete analog of a space-time dynamics of excitations in nonlinear active medium with mutual inhibition. A cell switches its state 0 to state 1 if one of its two neighbors is in state 1 (propagation of a perturbation) and a cell remains in state 1 only if its two neighbors are in state 0. A lateral inhibition is because a 1-state neighbor causes a 1-state cell to switch to state 0. The rule produces a rich spectrum of space-time dynamics, including gliders and glider guns just from four primitive gliders. We cons"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1410.3096","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":"2026-05-18T02:40:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"YbUN0Dj6BRf+r4U3tYiGV5DDMpCsZB2BlEHCIogimp5k9yreYrMRTn/BXkpLQDuxO2shByZk5kGw6HX7i7KYDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T19:16:42.561788Z"},"content_sha256":"0b4b510ae839dd0ccd84a9091eefc0ed8c73d20972b221cefb7252896df050b3","schema_version":"1.0","event_id":"sha256:0b4b510ae839dd0ccd84a9091eefc0ed8c73d20972b221cefb7252896df050b3"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/XPRBJHWEFVSWLAORS2LH7T567K/bundle.json","state_url":"https://pith.science/pith/XPRBJHWEFVSWLAORS2LH7T567K/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/XPRBJHWEFVSWLAORS2LH7T567K/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":"2026-05-27T19:16:42Z","links":{"resolver":"https://pith.science/pith/XPRBJHWEFVSWLAORS2LH7T567K","bundle":"https://pith.science/pith/XPRBJHWEFVSWLAORS2LH7T567K/bundle.json","state":"https://pith.science/pith/XPRBJHWEFVSWLAORS2LH7T567K/state.json","well_known_bundle":"https://pith.science/.well-known/pith/XPRBJHWEFVSWLAORS2LH7T567K/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:XPRBJHWEFVSWLAORS2LH7T567K","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":"1508b9ba626febc662af532965a6d064f3373cca54236e01e93a09a8aba90820","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nlin.CG","submitted_at":"2014-10-12T14:40:50Z","title_canon_sha256":"53a39b08466d4f66e04e20c2ba74168a2eccc1d4ba4eba6cfe7d34ec86d187d2"},"schema_version":"1.0","source":{"id":"1410.3096","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1410.3096","created_at":"2026-05-18T02:40:17Z"},{"alias_kind":"arxiv_version","alias_value":"1410.3096v1","created_at":"2026-05-18T02:40:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1410.3096","created_at":"2026-05-18T02:40:17Z"},{"alias_kind":"pith_short_12","alias_value":"XPRBJHWEFVSW","created_at":"2026-05-18T12:28:57Z"},{"alias_kind":"pith_short_16","alias_value":"XPRBJHWEFVSWLAOR","created_at":"2026-05-18T12:28:57Z"},{"alias_kind":"pith_short_8","alias_value":"XPRBJHWE","created_at":"2026-05-18T12:28:57Z"}],"graph_snapshots":[{"event_id":"sha256:0b4b510ae839dd0ccd84a9091eefc0ed8c73d20972b221cefb7252896df050b3","target":"graph","created_at":"2026-05-18T02:40:17Z","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":"The dynamics of rule 54 one-dimensional two-state cellular automaton (CA) are a discrete analog of a space-time dynamics of excitations in nonlinear active medium with mutual inhibition. A cell switches its state 0 to state 1 if one of its two neighbors is in state 1 (propagation of a perturbation) and a cell remains in state 1 only if its two neighbors are in state 0. A lateral inhibition is because a 1-state neighbor causes a 1-state cell to switch to state 0. The rule produces a rich spectrum of space-time dynamics, including gliders and glider guns just from four primitive gliders. We cons","authors_text":"Andrew Adamatzky, Genaro J. Mart\\'inez, Harold V. McIntosh","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nlin.CG","submitted_at":"2014-10-12T14:40:50Z","title":"Complete Characterization of Structure of Rule 54"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1410.3096","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":"sha256:1c7f3fde651fb84abe51c3044372f7dceee2501230eb9b02c91792642debb770","target":"record","created_at":"2026-05-18T02:40:17Z","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":"1508b9ba626febc662af532965a6d064f3373cca54236e01e93a09a8aba90820","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nlin.CG","submitted_at":"2014-10-12T14:40:50Z","title_canon_sha256":"53a39b08466d4f66e04e20c2ba74168a2eccc1d4ba4eba6cfe7d34ec86d187d2"},"schema_version":"1.0","source":{"id":"1410.3096","kind":"arxiv","version":1}},"canonical_sha256":"bbe2149ec42d656581d196967fcfbefaa5ddae49328b7387f8237880d04df763","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"bbe2149ec42d656581d196967fcfbefaa5ddae49328b7387f8237880d04df763","first_computed_at":"2026-05-18T02:40:17.065217Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:40:17.065217Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"LjIv6MATnYA2d4JHxC3u7nvS+8UTZdFh5ezfzxqcDWVuwpCkC2/xC3D5wRnkBWzuXjSglMf29lk8aNhp3rrmDg==","signature_status":"signed_v1","signed_at":"2026-05-18T02:40:17.065648Z","signed_message":"canonical_sha256_bytes"},"source_id":"1410.3096","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1c7f3fde651fb84abe51c3044372f7dceee2501230eb9b02c91792642debb770","sha256:0b4b510ae839dd0ccd84a9091eefc0ed8c73d20972b221cefb7252896df050b3"],"state_sha256":"f169c0c6083321d3cfaa5f453a9a612eaad5624266311efd6fb947f0920ef8aa"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+J7o2JXJUuAfsZv5WQYQFeCohryFnwWj0kvXsylvsx+AxN7mV7mWqMKh9eZv1q7ia0F5N3UdyQ1lrcwp3ZRYCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T19:16:42.564714Z","bundle_sha256":"523b5897fe7a1418b27c5326a2c5d6c625d420799796f2929f5482432a02b2cb"}}