{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:BUTREFMIGEKAOEOAZYTIXSAICG","short_pith_number":"pith:BUTREFMI","canonical_record":{"source":{"id":"1312.5097","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AI","submitted_at":"2013-12-18T11:08:05Z","cross_cats_sorted":[],"title_canon_sha256":"b55098864b86da29ad89adbe64f7322fdf97a90e2175e39b8b7ddf0ae7eedc88","abstract_canon_sha256":"d1855ea8674aa7b92a99508c573038ef1fe29e226894c558b6830a3f262b49c3"},"schema_version":"1.0"},"canonical_sha256":"0d2712158831140711c0ce268bc808119924b03aa927bd46a4322c69cfbe4398","source":{"kind":"arxiv","id":"1312.5097","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1312.5097","created_at":"2026-05-18T03:04:16Z"},{"alias_kind":"arxiv_version","alias_value":"1312.5097v1","created_at":"2026-05-18T03:04:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1312.5097","created_at":"2026-05-18T03:04:16Z"},{"alias_kind":"pith_short_12","alias_value":"BUTREFMIGEKA","created_at":"2026-05-18T12:27:40Z"},{"alias_kind":"pith_short_16","alias_value":"BUTREFMIGEKAOEOA","created_at":"2026-05-18T12:27:40Z"},{"alias_kind":"pith_short_8","alias_value":"BUTREFMI","created_at":"2026-05-18T12:27:40Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:BUTREFMIGEKAOEOAZYTIXSAICG","target":"record","payload":{"canonical_record":{"source":{"id":"1312.5097","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AI","submitted_at":"2013-12-18T11:08:05Z","cross_cats_sorted":[],"title_canon_sha256":"b55098864b86da29ad89adbe64f7322fdf97a90e2175e39b8b7ddf0ae7eedc88","abstract_canon_sha256":"d1855ea8674aa7b92a99508c573038ef1fe29e226894c558b6830a3f262b49c3"},"schema_version":"1.0"},"canonical_sha256":"0d2712158831140711c0ce268bc808119924b03aa927bd46a4322c69cfbe4398","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:04:16.317001Z","signature_b64":"gULjZZ56OinY8DeVASE0fdVA/hODTi0/0PB69pu5sZI1Zwx6V5nuBh/m+t8knE/qP7/ovlWivex41E4adZ2jCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0d2712158831140711c0ce268bc808119924b03aa927bd46a4322c69cfbe4398","last_reissued_at":"2026-05-18T03:04:16.316366Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:04:16.316366Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1312.5097","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":"2026-05-18T03:04:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3F0DWJuHDD1hTS6EkFePeSztj7EJY5+0mpXjt3Dv7NglpSu06W0VlPP9reGwDli5f3Q7b6faSEcS39LMbqxvDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-08T15:27:27.438612Z"},"content_sha256":"14f6394ef10a32ae0a6b9752ce12db7f34d491fca4adfc681f7ea353ca56cba6","schema_version":"1.0","event_id":"sha256:14f6394ef10a32ae0a6b9752ce12db7f34d491fca4adfc681f7ea353ca56cba6"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:BUTREFMIGEKAOEOAZYTIXSAICG","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A Cellular Automaton Based Controller for a Ms. Pac-Man Agent","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.AI","authors_text":"Alexander Darer, Peter Lewis","submitted_at":"2013-12-18T11:08:05Z","abstract_excerpt":"Video games can be used as an excellent test bed for Artificial Intelligence (AI) techniques. They are challenging and non-deterministic, this makes it very difficult to write strong AI players. An example of such a video game is Ms. Pac-Man. In this paper we will outline some of the previous techniques used to build AI controllers for Ms. Pac-Man as well as presenting a new and novel solution. My technique utilises a Cellular Automaton (CA) to build a representation of the environment at each time step of the game. The basis of the representation is a 2-D grid of cells. Each cell has a state "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1312.5097","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":"2026-05-18T03:04:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mD2rWAM2REmo2U4x8VyrkB8sqWZ4QQ/7q1LdMb3/KE3YYcsTjvo342NdA+nqdoTQWZWJsBATgd8RWaU8QKjQDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-08T15:27:27.439274Z"},"content_sha256":"eb29987cf920923fc948d921c8e912436e8cffb494ce22ec04ddf50f5e871929","schema_version":"1.0","event_id":"sha256:eb29987cf920923fc948d921c8e912436e8cffb494ce22ec04ddf50f5e871929"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/BUTREFMIGEKAOEOAZYTIXSAICG/bundle.json","state_url":"https://pith.science/pith/BUTREFMIGEKAOEOAZYTIXSAICG/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/BUTREFMIGEKAOEOAZYTIXSAICG/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":"2026-06-08T15:27:27Z","links":{"resolver":"https://pith.science/pith/BUTREFMIGEKAOEOAZYTIXSAICG","bundle":"https://pith.science/pith/BUTREFMIGEKAOEOAZYTIXSAICG/bundle.json","state":"https://pith.science/pith/BUTREFMIGEKAOEOAZYTIXSAICG/state.json","well_known_bundle":"https://pith.science/.well-known/pith/BUTREFMIGEKAOEOAZYTIXSAICG/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:BUTREFMIGEKAOEOAZYTIXSAICG","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":"d1855ea8674aa7b92a99508c573038ef1fe29e226894c558b6830a3f262b49c3","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AI","submitted_at":"2013-12-18T11:08:05Z","title_canon_sha256":"b55098864b86da29ad89adbe64f7322fdf97a90e2175e39b8b7ddf0ae7eedc88"},"schema_version":"1.0","source":{"id":"1312.5097","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1312.5097","created_at":"2026-05-18T03:04:16Z"},{"alias_kind":"arxiv_version","alias_value":"1312.5097v1","created_at":"2026-05-18T03:04:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1312.5097","created_at":"2026-05-18T03:04:16Z"},{"alias_kind":"pith_short_12","alias_value":"BUTREFMIGEKA","created_at":"2026-05-18T12:27:40Z"},{"alias_kind":"pith_short_16","alias_value":"BUTREFMIGEKAOEOA","created_at":"2026-05-18T12:27:40Z"},{"alias_kind":"pith_short_8","alias_value":"BUTREFMI","created_at":"2026-05-18T12:27:40Z"}],"graph_snapshots":[{"event_id":"sha256:eb29987cf920923fc948d921c8e912436e8cffb494ce22ec04ddf50f5e871929","target":"graph","created_at":"2026-05-18T03:04:16Z","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":"Video games can be used as an excellent test bed for Artificial Intelligence (AI) techniques. They are challenging and non-deterministic, this makes it very difficult to write strong AI players. An example of such a video game is Ms. Pac-Man. In this paper we will outline some of the previous techniques used to build AI controllers for Ms. Pac-Man as well as presenting a new and novel solution. My technique utilises a Cellular Automaton (CA) to build a representation of the environment at each time step of the game. The basis of the representation is a 2-D grid of cells. Each cell has a state ","authors_text":"Alexander Darer, Peter Lewis","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AI","submitted_at":"2013-12-18T11:08:05Z","title":"A Cellular Automaton Based Controller for a Ms. Pac-Man Agent"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1312.5097","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":"sha256:14f6394ef10a32ae0a6b9752ce12db7f34d491fca4adfc681f7ea353ca56cba6","target":"record","created_at":"2026-05-18T03:04:16Z","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":"d1855ea8674aa7b92a99508c573038ef1fe29e226894c558b6830a3f262b49c3","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AI","submitted_at":"2013-12-18T11:08:05Z","title_canon_sha256":"b55098864b86da29ad89adbe64f7322fdf97a90e2175e39b8b7ddf0ae7eedc88"},"schema_version":"1.0","source":{"id":"1312.5097","kind":"arxiv","version":1}},"canonical_sha256":"0d2712158831140711c0ce268bc808119924b03aa927bd46a4322c69cfbe4398","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0d2712158831140711c0ce268bc808119924b03aa927bd46a4322c69cfbe4398","first_computed_at":"2026-05-18T03:04:16.316366Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:04:16.316366Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"gULjZZ56OinY8DeVASE0fdVA/hODTi0/0PB69pu5sZI1Zwx6V5nuBh/m+t8knE/qP7/ovlWivex41E4adZ2jCQ==","signature_status":"signed_v1","signed_at":"2026-05-18T03:04:16.317001Z","signed_message":"canonical_sha256_bytes"},"source_id":"1312.5097","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:14f6394ef10a32ae0a6b9752ce12db7f34d491fca4adfc681f7ea353ca56cba6","sha256:eb29987cf920923fc948d921c8e912436e8cffb494ce22ec04ddf50f5e871929"],"state_sha256":"f9549e1666ee58e2f9b513bc774e5cee16030faa2e5b7ce90fdfe680e051323f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4Ma8MDbCBrc/expWeRh2Fxadf7HZFh4/dHCNv6ApwUu8GvxDIjGfIBnBFypAUVy7wLuWx7B7MYERHHJWin36BA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-08T15:27:27.443262Z","bundle_sha256":"7f61c945c0d68e11e29155c0d534495305380fb44b4ad94eff0fad422367c390"}}