{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2005:FYHK3QAVMRF5KBL3F5LGOVOCLK","short_pith_number":"pith:FYHK3QAV","canonical_record":{"source":{"id":"nlin/0508033","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"nlin.CG","submitted_at":"2005-08-24T22:17:37Z","cross_cats_sorted":["cond-mat.stat-mech","nlin.PS"],"title_canon_sha256":"e3998c8c076af9b7c8cca9eb4b5773090100790a86ae8df3404d4917432c9996","abstract_canon_sha256":"9e94e15378203b5e2a4d057817479fb5997e01d46f68da21c1a7cc37fa3ccbd1"},"schema_version":"1.0"},"canonical_sha256":"2e0eadc015644bd5057b2f566755c25aa30e26e7333148ffd2a966bcbf62fff8","source":{"kind":"arxiv","id":"nlin/0508033","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"nlin/0508033","created_at":"2026-05-18T01:38:18Z"},{"alias_kind":"arxiv_version","alias_value":"nlin/0508033v1","created_at":"2026-05-18T01:38:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.nlin/0508033","created_at":"2026-05-18T01:38:18Z"},{"alias_kind":"pith_short_12","alias_value":"FYHK3QAVMRF5","created_at":"2026-05-18T12:25:53Z"},{"alias_kind":"pith_short_16","alias_value":"FYHK3QAVMRF5KBL3","created_at":"2026-05-18T12:25:53Z"},{"alias_kind":"pith_short_8","alias_value":"FYHK3QAV","created_at":"2026-05-18T12:25:53Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2005:FYHK3QAVMRF5KBL3F5LGOVOCLK","target":"record","payload":{"canonical_record":{"source":{"id":"nlin/0508033","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"nlin.CG","submitted_at":"2005-08-24T22:17:37Z","cross_cats_sorted":["cond-mat.stat-mech","nlin.PS"],"title_canon_sha256":"e3998c8c076af9b7c8cca9eb4b5773090100790a86ae8df3404d4917432c9996","abstract_canon_sha256":"9e94e15378203b5e2a4d057817479fb5997e01d46f68da21c1a7cc37fa3ccbd1"},"schema_version":"1.0"},"canonical_sha256":"2e0eadc015644bd5057b2f566755c25aa30e26e7333148ffd2a966bcbf62fff8","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:38:18.558684Z","signature_b64":"LNEUPiAvnZ6zEV/dz0H+tgIanH0U+q327wdJotD18nAH9SawcpHeWyfLi/ibaD/g1RK/PjvvQDxZlW30FXF4DA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2e0eadc015644bd5057b2f566755c25aa30e26e7333148ffd2a966bcbf62fff8","last_reissued_at":"2026-05-18T01:38:18.558031Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:38:18.558031Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"nlin/0508033","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":"2026-05-18T01:38:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"XlhPCEaKXu4uLAgSRAoJxe6FfBEogTvtsAY4D9iTXIsaWWJQH8uHOVR5isEHCAJ6ch9eWSdeQJRqwAnm9lBDAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T14:46:33.084137Z"},"content_sha256":"bcaea2f9ce0ff5a8651d2694cbd403ff249877f9ed766ebf23904953249cd458","schema_version":"1.0","event_id":"sha256:bcaea2f9ce0ff5a8651d2694cbd403ff249877f9ed766ebf23904953249cd458"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2005:FYHK3QAVMRF5KBL3F5LGOVOCLK","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Coarse-graining of cellular automata, emergence, and the predictability of complex systems","license":"","headline":"","cross_cats":["cond-mat.stat-mech","nlin.PS"],"primary_cat":"nlin.CG","authors_text":"Navot Israeli, Nigel Goldenfeld","submitted_at":"2005-08-24T22:17:37Z","abstract_excerpt":"We study the predictability of emergent phenomena in complex systems. Using nearest neighbor, one-dimensional Cellular Automata (CA) as an example, we show how to construct local coarse-grained descriptions of CA in all classes of Wolfram's classification. The resulting coarse-grained CA that we construct are capable of emulating the large-scale behavior of the original systems without accounting for small-scale details. Several CA that can be coarse-grained by this construction are known to be universal Turing machines; they can emulate any CA or other computing devices and are therefore unde"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"nlin/0508033","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":"2026-05-18T01:38:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2ul+H9HIHqkfTi7dZNeIph9JFmHteltTkvC/CsJB62GBgvslndqyusvaTUNW/mi0qiOF0RuBOB6EqRGSRG8cDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T14:46:33.084507Z"},"content_sha256":"5c3e3d2dc61add41f330b564978ceadbc96bc870a5ffe851759591ecd05081e6","schema_version":"1.0","event_id":"sha256:5c3e3d2dc61add41f330b564978ceadbc96bc870a5ffe851759591ecd05081e6"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/FYHK3QAVMRF5KBL3F5LGOVOCLK/bundle.json","state_url":"https://pith.science/pith/FYHK3QAVMRF5KBL3F5LGOVOCLK/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/FYHK3QAVMRF5KBL3F5LGOVOCLK/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":"2026-06-03T14:46:33Z","links":{"resolver":"https://pith.science/pith/FYHK3QAVMRF5KBL3F5LGOVOCLK","bundle":"https://pith.science/pith/FYHK3QAVMRF5KBL3F5LGOVOCLK/bundle.json","state":"https://pith.science/pith/FYHK3QAVMRF5KBL3F5LGOVOCLK/state.json","well_known_bundle":"https://pith.science/.well-known/pith/FYHK3QAVMRF5KBL3F5LGOVOCLK/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2005:FYHK3QAVMRF5KBL3F5LGOVOCLK","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":"9e94e15378203b5e2a4d057817479fb5997e01d46f68da21c1a7cc37fa3ccbd1","cross_cats_sorted":["cond-mat.stat-mech","nlin.PS"],"license":"","primary_cat":"nlin.CG","submitted_at":"2005-08-24T22:17:37Z","title_canon_sha256":"e3998c8c076af9b7c8cca9eb4b5773090100790a86ae8df3404d4917432c9996"},"schema_version":"1.0","source":{"id":"nlin/0508033","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"nlin/0508033","created_at":"2026-05-18T01:38:18Z"},{"alias_kind":"arxiv_version","alias_value":"nlin/0508033v1","created_at":"2026-05-18T01:38:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.nlin/0508033","created_at":"2026-05-18T01:38:18Z"},{"alias_kind":"pith_short_12","alias_value":"FYHK3QAVMRF5","created_at":"2026-05-18T12:25:53Z"},{"alias_kind":"pith_short_16","alias_value":"FYHK3QAVMRF5KBL3","created_at":"2026-05-18T12:25:53Z"},{"alias_kind":"pith_short_8","alias_value":"FYHK3QAV","created_at":"2026-05-18T12:25:53Z"}],"graph_snapshots":[{"event_id":"sha256:5c3e3d2dc61add41f330b564978ceadbc96bc870a5ffe851759591ecd05081e6","target":"graph","created_at":"2026-05-18T01:38:18Z","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 study the predictability of emergent phenomena in complex systems. Using nearest neighbor, one-dimensional Cellular Automata (CA) as an example, we show how to construct local coarse-grained descriptions of CA in all classes of Wolfram's classification. The resulting coarse-grained CA that we construct are capable of emulating the large-scale behavior of the original systems without accounting for small-scale details. Several CA that can be coarse-grained by this construction are known to be universal Turing machines; they can emulate any CA or other computing devices and are therefore unde","authors_text":"Navot Israeli, Nigel Goldenfeld","cross_cats":["cond-mat.stat-mech","nlin.PS"],"headline":"","license":"","primary_cat":"nlin.CG","submitted_at":"2005-08-24T22:17:37Z","title":"Coarse-graining of cellular automata, emergence, and the predictability of complex systems"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"nlin/0508033","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:bcaea2f9ce0ff5a8651d2694cbd403ff249877f9ed766ebf23904953249cd458","target":"record","created_at":"2026-05-18T01:38:18Z","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":"9e94e15378203b5e2a4d057817479fb5997e01d46f68da21c1a7cc37fa3ccbd1","cross_cats_sorted":["cond-mat.stat-mech","nlin.PS"],"license":"","primary_cat":"nlin.CG","submitted_at":"2005-08-24T22:17:37Z","title_canon_sha256":"e3998c8c076af9b7c8cca9eb4b5773090100790a86ae8df3404d4917432c9996"},"schema_version":"1.0","source":{"id":"nlin/0508033","kind":"arxiv","version":1}},"canonical_sha256":"2e0eadc015644bd5057b2f566755c25aa30e26e7333148ffd2a966bcbf62fff8","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2e0eadc015644bd5057b2f566755c25aa30e26e7333148ffd2a966bcbf62fff8","first_computed_at":"2026-05-18T01:38:18.558031Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:38:18.558031Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"LNEUPiAvnZ6zEV/dz0H+tgIanH0U+q327wdJotD18nAH9SawcpHeWyfLi/ibaD/g1RK/PjvvQDxZlW30FXF4DA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:38:18.558684Z","signed_message":"canonical_sha256_bytes"},"source_id":"nlin/0508033","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:bcaea2f9ce0ff5a8651d2694cbd403ff249877f9ed766ebf23904953249cd458","sha256:5c3e3d2dc61add41f330b564978ceadbc96bc870a5ffe851759591ecd05081e6"],"state_sha256":"dfc28e5619d43e4d545bfd823edfb4dabf3af44f21432bba8be92be3b6ed4a2f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wTFNzvf2H3qqaGxgP6XzGiRtWr815+h7DT5X20moy8kAo7BnFQ0Xhut8/YlLb3x+3eF4btZghQW1pt0Bq+WOAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-03T14:46:33.086522Z","bundle_sha256":"ed99a10b7ee74ad44968fd29a99b6e8d9653a0fbe87887c5181b1db71c7b87af"}}