{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:UNFTPGUJY2MCAW5DGBXO2AAX5A","short_pith_number":"pith:UNFTPGUJ","canonical_record":{"source":{"id":"1601.04842","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2016-01-19T09:44:44Z","cross_cats_sorted":[],"title_canon_sha256":"9a2f0541f9403a003e29720b383aaae3ce785911d075f5c1ebe96be3600901ea","abstract_canon_sha256":"ac2e08ebe213a43c898b754726cfdac9366420c457d1825e27e157a2f1f54a25"},"schema_version":"1.0"},"canonical_sha256":"a34b379a89c698205ba3306eed0017e81093334801b174b17ebcfaed486dbe4a","source":{"kind":"arxiv","id":"1601.04842","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1601.04842","created_at":"2026-05-18T01:22:31Z"},{"alias_kind":"arxiv_version","alias_value":"1601.04842v1","created_at":"2026-05-18T01:22:31Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1601.04842","created_at":"2026-05-18T01:22:31Z"},{"alias_kind":"pith_short_12","alias_value":"UNFTPGUJY2MC","created_at":"2026-05-18T12:30:46Z"},{"alias_kind":"pith_short_16","alias_value":"UNFTPGUJY2MCAW5D","created_at":"2026-05-18T12:30:46Z"},{"alias_kind":"pith_short_8","alias_value":"UNFTPGUJ","created_at":"2026-05-18T12:30:46Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:UNFTPGUJY2MCAW5DGBXO2AAX5A","target":"record","payload":{"canonical_record":{"source":{"id":"1601.04842","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2016-01-19T09:44:44Z","cross_cats_sorted":[],"title_canon_sha256":"9a2f0541f9403a003e29720b383aaae3ce785911d075f5c1ebe96be3600901ea","abstract_canon_sha256":"ac2e08ebe213a43c898b754726cfdac9366420c457d1825e27e157a2f1f54a25"},"schema_version":"1.0"},"canonical_sha256":"a34b379a89c698205ba3306eed0017e81093334801b174b17ebcfaed486dbe4a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:22:31.722012Z","signature_b64":"tTndLmlofFDHdMcoz/VLwnWD2HkJIIjTTiO8eHjJb3b1Ha72vrV9RFiVEOPOm+Bh4SCv7HNHtq/wlBO9ZR7qBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a34b379a89c698205ba3306eed0017e81093334801b174b17ebcfaed486dbe4a","last_reissued_at":"2026-05-18T01:22:31.721498Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:22:31.721498Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1601.04842","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":"2026-05-18T01:22:31Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"JLHLsBzbTZFwd/SxjiJiW4//hA/xW6WMciwBXQ3YG0sA5jemHtHy7TZoR6pbcznKRSZYoFMFXl4WQ0otYSlvCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T13:47:08.851888Z"},"content_sha256":"695a985e34e66cefd73d5e466118a3fc229a6c080bcb522d2c3e296d9bd7c1b1","schema_version":"1.0","event_id":"sha256:695a985e34e66cefd73d5e466118a3fc229a6c080bcb522d2c3e296d9bd7c1b1"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:UNFTPGUJY2MCAW5DGBXO2AAX5A","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Weyl, Dirac and Maxwell Quantum Cellular Automata: analitical solutions and phenomenological predictions of the Quantum Cellular Automata Theory of Free Fields","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Alessandro Bisio, Alessandro Tosini, Giacomo Mauro D'Ariano, Paolo Perinotti","submitted_at":"2016-01-19T09:44:44Z","abstract_excerpt":"Recent advances on quantum foundations achieved the derivation of free quantum field theory from general principles, without referring to mechanical notions and relativistic invariance. From the aforementioned principles a quantum cellular automata (QCA) theory follows, whose relativistic limit of small wave-vector provides the free dynamics of quantum field theory. The QCA theory can be regarded as an extended quantum field theory that describes in a unified way all scales ranging from an hypothetical discrete Planck scale up to the usual Fermi scale. The present paper reviews the elementary "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1601.04842","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":"2026-05-18T01:22:31Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RN3QQSz6KsfNAv4sfL6FSDjnx6DceyoFOjrTmZ/fiCPw3EFT+E2D6T/3tDSsGUF43T0o62gz6usRRQv2hy9ZBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T13:47:08.852239Z"},"content_sha256":"634236ba8a48608ef087831c164e942f4e3343944df3d729a8a18ad09ca77f8b","schema_version":"1.0","event_id":"sha256:634236ba8a48608ef087831c164e942f4e3343944df3d729a8a18ad09ca77f8b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/UNFTPGUJY2MCAW5DGBXO2AAX5A/bundle.json","state_url":"https://pith.science/pith/UNFTPGUJY2MCAW5DGBXO2AAX5A/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/UNFTPGUJY2MCAW5DGBXO2AAX5A/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":"2026-05-28T13:47:08Z","links":{"resolver":"https://pith.science/pith/UNFTPGUJY2MCAW5DGBXO2AAX5A","bundle":"https://pith.science/pith/UNFTPGUJY2MCAW5DGBXO2AAX5A/bundle.json","state":"https://pith.science/pith/UNFTPGUJY2MCAW5DGBXO2AAX5A/state.json","well_known_bundle":"https://pith.science/.well-known/pith/UNFTPGUJY2MCAW5DGBXO2AAX5A/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:UNFTPGUJY2MCAW5DGBXO2AAX5A","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":"ac2e08ebe213a43c898b754726cfdac9366420c457d1825e27e157a2f1f54a25","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2016-01-19T09:44:44Z","title_canon_sha256":"9a2f0541f9403a003e29720b383aaae3ce785911d075f5c1ebe96be3600901ea"},"schema_version":"1.0","source":{"id":"1601.04842","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1601.04842","created_at":"2026-05-18T01:22:31Z"},{"alias_kind":"arxiv_version","alias_value":"1601.04842v1","created_at":"2026-05-18T01:22:31Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1601.04842","created_at":"2026-05-18T01:22:31Z"},{"alias_kind":"pith_short_12","alias_value":"UNFTPGUJY2MC","created_at":"2026-05-18T12:30:46Z"},{"alias_kind":"pith_short_16","alias_value":"UNFTPGUJY2MCAW5D","created_at":"2026-05-18T12:30:46Z"},{"alias_kind":"pith_short_8","alias_value":"UNFTPGUJ","created_at":"2026-05-18T12:30:46Z"}],"graph_snapshots":[{"event_id":"sha256:634236ba8a48608ef087831c164e942f4e3343944df3d729a8a18ad09ca77f8b","target":"graph","created_at":"2026-05-18T01:22:31Z","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":"Recent advances on quantum foundations achieved the derivation of free quantum field theory from general principles, without referring to mechanical notions and relativistic invariance. From the aforementioned principles a quantum cellular automata (QCA) theory follows, whose relativistic limit of small wave-vector provides the free dynamics of quantum field theory. The QCA theory can be regarded as an extended quantum field theory that describes in a unified way all scales ranging from an hypothetical discrete Planck scale up to the usual Fermi scale. The present paper reviews the elementary ","authors_text":"Alessandro Bisio, Alessandro Tosini, Giacomo Mauro D'Ariano, Paolo Perinotti","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2016-01-19T09:44:44Z","title":"Weyl, Dirac and Maxwell Quantum Cellular Automata: analitical solutions and phenomenological predictions of the Quantum Cellular Automata Theory of Free Fields"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1601.04842","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":"sha256:695a985e34e66cefd73d5e466118a3fc229a6c080bcb522d2c3e296d9bd7c1b1","target":"record","created_at":"2026-05-18T01:22:31Z","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":"ac2e08ebe213a43c898b754726cfdac9366420c457d1825e27e157a2f1f54a25","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2016-01-19T09:44:44Z","title_canon_sha256":"9a2f0541f9403a003e29720b383aaae3ce785911d075f5c1ebe96be3600901ea"},"schema_version":"1.0","source":{"id":"1601.04842","kind":"arxiv","version":1}},"canonical_sha256":"a34b379a89c698205ba3306eed0017e81093334801b174b17ebcfaed486dbe4a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a34b379a89c698205ba3306eed0017e81093334801b174b17ebcfaed486dbe4a","first_computed_at":"2026-05-18T01:22:31.721498Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:22:31.721498Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"tTndLmlofFDHdMcoz/VLwnWD2HkJIIjTTiO8eHjJb3b1Ha72vrV9RFiVEOPOm+Bh4SCv7HNHtq/wlBO9ZR7qBg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:22:31.722012Z","signed_message":"canonical_sha256_bytes"},"source_id":"1601.04842","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:695a985e34e66cefd73d5e466118a3fc229a6c080bcb522d2c3e296d9bd7c1b1","sha256:634236ba8a48608ef087831c164e942f4e3343944df3d729a8a18ad09ca77f8b"],"state_sha256":"9ce3f11d9195691c6ad40a78ac4cd910f7112239533a36c403dc907ab67ccfbe"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"U9RWk4zmeietHtAlO1rKzM11wAWyWI3yRmYZlRYQnny62lAA6NPWnf1Lc2W0QeOx/TBrprtq2njba6ZGOoAEDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T13:47:08.854172Z","bundle_sha256":"1168a3de147eb27290d03b038d89ca3cc8dda9076076b8e9c0e9aa5fe8ff82e3"}}