{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:WZDD6CJCKLQQN4UZIMSBBUHMRF","short_pith_number":"pith:WZDD6CJC","canonical_record":{"source":{"id":"2512.02193","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AI","submitted_at":"2025-12-01T20:37:43Z","cross_cats_sorted":[],"title_canon_sha256":"e1d89b0c77af931b7a2bfd5747bf12b83c0b3c0eeb4b9aa2c9c1cc69f552f8e4","abstract_canon_sha256":"7cf216fde6ec9bdfd326a03b0a86535474e99eaf8bb908a070e33b9be0fb7d39"},"schema_version":"1.0"},"canonical_sha256":"b6463f092252e106f299432410d0ec89549bfdf40641e039a63554f18d18a67b","source":{"kind":"arxiv","id":"2512.02193","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2512.02193","created_at":"2026-05-22T01:03:16Z"},{"alias_kind":"arxiv_version","alias_value":"2512.02193v2","created_at":"2026-05-22T01:03:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2512.02193","created_at":"2026-05-22T01:03:16Z"},{"alias_kind":"pith_short_12","alias_value":"WZDD6CJCKLQQ","created_at":"2026-05-22T01:03:16Z"},{"alias_kind":"pith_short_16","alias_value":"WZDD6CJCKLQQN4UZ","created_at":"2026-05-22T01:03:16Z"},{"alias_kind":"pith_short_8","alias_value":"WZDD6CJC","created_at":"2026-05-22T01:03:16Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:WZDD6CJCKLQQN4UZIMSBBUHMRF","target":"record","payload":{"canonical_record":{"source":{"id":"2512.02193","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AI","submitted_at":"2025-12-01T20:37:43Z","cross_cats_sorted":[],"title_canon_sha256":"e1d89b0c77af931b7a2bfd5747bf12b83c0b3c0eeb4b9aa2c9c1cc69f552f8e4","abstract_canon_sha256":"7cf216fde6ec9bdfd326a03b0a86535474e99eaf8bb908a070e33b9be0fb7d39"},"schema_version":"1.0"},"canonical_sha256":"b6463f092252e106f299432410d0ec89549bfdf40641e039a63554f18d18a67b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-22T01:03:16.314155Z","signature_b64":"aeJE1bn1P+I1PVriOp+PM/hdBGhY2xU66gdAFdn3BzdNvVtqWWfJhH4H/eKcG5//xkrN7qdbqe1Ox4yX0tK/Bw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b6463f092252e106f299432410d0ec89549bfdf40641e039a63554f18d18a67b","last_reissued_at":"2026-05-22T01:03:16.313252Z","signature_status":"signed_v1","first_computed_at":"2026-05-22T01:03:16.313252Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2512.02193","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-22T01:03:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"WG1vZXYW44utEaxvioDQTwFZMlpOaQoCIoMN9MTo4QI5JwRZu0+SPvXyhCBaN36aH3FoEX4yGyvBNAY8XGL/Bg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T20:56:41.417216Z"},"content_sha256":"e3a83a5619532ce02cd02542289d20d1bc45dd7aac7e9d6d92a7ac27b9121932","schema_version":"1.0","event_id":"sha256:e3a83a5619532ce02cd02542289d20d1bc45dd7aac7e9d6d92a7ac27b9121932"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:WZDD6CJCKLQQN4UZIMSBBUHMRF","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"From monoliths to modules: Decomposing transducers for efficient world modelling","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.AI","authors_text":"Alexander Boyd, David Hyland, Fernando E. Rosas, Franz Nowak, Manuel Baltieri","submitted_at":"2025-12-01T20:37:43Z","abstract_excerpt":"World models have been recently proposed as sandbox environments in which AI agents can be trained and evaluated before deployment. While realistic world models often have high computational demands, this can often be alleviated by exploiting the fact that real-world scenarios tend to involve subcomponents that interact in a modular manner. In this paper, we explore this idea by developing a framework for decomposing complex world models represented by transducers, a class of models generalising POMDPs. Whereas the composition of transducers is well understood, our results clarify how to inver"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2512.02193","kind":"arxiv","version":2},"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/2512.02193/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":"2026-05-22T01:03:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xqdHl4hwpeLoyhh7McRfLWfWFVmdkr7ig0yxIpjs65xdg2nfKZa/6SIgMH+BaIkSoUhRYtkSpa2Isq6e3KJrDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T20:56:41.418015Z"},"content_sha256":"11a1fa5de99312d5aecafaec9c3297b5bf280a7b3d8573724aa2bcbb93693669","schema_version":"1.0","event_id":"sha256:11a1fa5de99312d5aecafaec9c3297b5bf280a7b3d8573724aa2bcbb93693669"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/WZDD6CJCKLQQN4UZIMSBBUHMRF/bundle.json","state_url":"https://pith.science/pith/WZDD6CJCKLQQN4UZIMSBBUHMRF/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/WZDD6CJCKLQQN4UZIMSBBUHMRF/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":"2026-05-26T20:56:41Z","links":{"resolver":"https://pith.science/pith/WZDD6CJCKLQQN4UZIMSBBUHMRF","bundle":"https://pith.science/pith/WZDD6CJCKLQQN4UZIMSBBUHMRF/bundle.json","state":"https://pith.science/pith/WZDD6CJCKLQQN4UZIMSBBUHMRF/state.json","well_known_bundle":"https://pith.science/.well-known/pith/WZDD6CJCKLQQN4UZIMSBBUHMRF/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:WZDD6CJCKLQQN4UZIMSBBUHMRF","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":"7cf216fde6ec9bdfd326a03b0a86535474e99eaf8bb908a070e33b9be0fb7d39","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AI","submitted_at":"2025-12-01T20:37:43Z","title_canon_sha256":"e1d89b0c77af931b7a2bfd5747bf12b83c0b3c0eeb4b9aa2c9c1cc69f552f8e4"},"schema_version":"1.0","source":{"id":"2512.02193","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2512.02193","created_at":"2026-05-22T01:03:16Z"},{"alias_kind":"arxiv_version","alias_value":"2512.02193v2","created_at":"2026-05-22T01:03:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2512.02193","created_at":"2026-05-22T01:03:16Z"},{"alias_kind":"pith_short_12","alias_value":"WZDD6CJCKLQQ","created_at":"2026-05-22T01:03:16Z"},{"alias_kind":"pith_short_16","alias_value":"WZDD6CJCKLQQN4UZ","created_at":"2026-05-22T01:03:16Z"},{"alias_kind":"pith_short_8","alias_value":"WZDD6CJC","created_at":"2026-05-22T01:03:16Z"}],"graph_snapshots":[{"event_id":"sha256:11a1fa5de99312d5aecafaec9c3297b5bf280a7b3d8573724aa2bcbb93693669","target":"graph","created_at":"2026-05-22T01:03:16Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2512.02193/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"World models have been recently proposed as sandbox environments in which AI agents can be trained and evaluated before deployment. While realistic world models often have high computational demands, this can often be alleviated by exploiting the fact that real-world scenarios tend to involve subcomponents that interact in a modular manner. In this paper, we explore this idea by developing a framework for decomposing complex world models represented by transducers, a class of models generalising POMDPs. Whereas the composition of transducers is well understood, our results clarify how to inver","authors_text":"Alexander Boyd, David Hyland, Fernando E. Rosas, Franz Nowak, Manuel Baltieri","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AI","submitted_at":"2025-12-01T20:37:43Z","title":"From monoliths to modules: Decomposing transducers for efficient world modelling"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2512.02193","kind":"arxiv","version":2},"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:e3a83a5619532ce02cd02542289d20d1bc45dd7aac7e9d6d92a7ac27b9121932","target":"record","created_at":"2026-05-22T01:03:16Z","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":"7cf216fde6ec9bdfd326a03b0a86535474e99eaf8bb908a070e33b9be0fb7d39","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AI","submitted_at":"2025-12-01T20:37:43Z","title_canon_sha256":"e1d89b0c77af931b7a2bfd5747bf12b83c0b3c0eeb4b9aa2c9c1cc69f552f8e4"},"schema_version":"1.0","source":{"id":"2512.02193","kind":"arxiv","version":2}},"canonical_sha256":"b6463f092252e106f299432410d0ec89549bfdf40641e039a63554f18d18a67b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b6463f092252e106f299432410d0ec89549bfdf40641e039a63554f18d18a67b","first_computed_at":"2026-05-22T01:03:16.313252Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-22T01:03:16.313252Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"aeJE1bn1P+I1PVriOp+PM/hdBGhY2xU66gdAFdn3BzdNvVtqWWfJhH4H/eKcG5//xkrN7qdbqe1Ox4yX0tK/Bw==","signature_status":"signed_v1","signed_at":"2026-05-22T01:03:16.314155Z","signed_message":"canonical_sha256_bytes"},"source_id":"2512.02193","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e3a83a5619532ce02cd02542289d20d1bc45dd7aac7e9d6d92a7ac27b9121932","sha256:11a1fa5de99312d5aecafaec9c3297b5bf280a7b3d8573724aa2bcbb93693669"],"state_sha256":"5aeb4f9bc2254fce8880a5866845d970a20b54b2c7a58deb257bc4a1442f5fa0"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"tzmKlaPOeRlttAxJ5QXq0QEu5jiwESs68/H0qXmhQny4KXgiFYh5dl9DHtsnkfrjrxYMMA0hXTm45L+o72LADw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T20:56:41.421809Z","bundle_sha256":"056c6d77234eade9155250b7fb9c56b00725515dc15f4cd69cd69503d30aeba5"}}