{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:CNDBHP557MHRVRK6L6M4V4SKRG","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":"57970ddd82cfb591b90b79a44677daaf1b6e193b65f1d7173fea69661fb02e22","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2016-08-05T20:01:18Z","title_canon_sha256":"fdad6864678a0326a1ef04d8155af11d6185dad947fdb9f1e7220972e66ee72f"},"schema_version":"1.0","source":{"id":"1608.02004","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1608.02004","created_at":"2026-05-18T00:48:28Z"},{"alias_kind":"arxiv_version","alias_value":"1608.02004v1","created_at":"2026-05-18T00:48:28Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1608.02004","created_at":"2026-05-18T00:48:28Z"},{"alias_kind":"pith_short_12","alias_value":"CNDBHP557MHR","created_at":"2026-05-18T12:30:09Z"},{"alias_kind":"pith_short_16","alias_value":"CNDBHP557MHRVRK6","created_at":"2026-05-18T12:30:09Z"},{"alias_kind":"pith_short_8","alias_value":"CNDBHP55","created_at":"2026-05-18T12:30:09Z"}],"graph_snapshots":[{"event_id":"sha256:11a61448a385ec3b4526ddd957e5fea95e686f44c99a7805a144c9465a8a7f2f","target":"graph","created_at":"2026-05-18T00:48:28Z","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":"In a series of recent papers it has been shown how free quantum field theory can be derived without using mechanical primitives (including space-time, special relativity, quantization rules, etc.), but only considering the easiest quantum algorithm encompassing a countable set of quantum systems whose network of interactions satisfies the simple principles of unitarity, homogeneity, locality, and isotropy. This has opened the route to extending the axiomatic information-theoretic derivation of the quantum theory of abstract systems to include quantum field theory. The inherent discrete nature ","authors_text":"Giacomo M. D'Ariano, Paolo Perinotti","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2016-08-05T20:01:18Z","title":"Quantum cellular automata and free quantum field theory"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1608.02004","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":"sha256:19b9d252b58960ae7fcd2b29dc80d808014afe7cf35f9ad303108ecc0bfe6d3d","target":"record","created_at":"2026-05-18T00:48:28Z","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":"57970ddd82cfb591b90b79a44677daaf1b6e193b65f1d7173fea69661fb02e22","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2016-08-05T20:01:18Z","title_canon_sha256":"fdad6864678a0326a1ef04d8155af11d6185dad947fdb9f1e7220972e66ee72f"},"schema_version":"1.0","source":{"id":"1608.02004","kind":"arxiv","version":1}},"canonical_sha256":"134613bfbdfb0f1ac55e5f99caf24a89909bef4c80d940a00fabb259256fdca9","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"134613bfbdfb0f1ac55e5f99caf24a89909bef4c80d940a00fabb259256fdca9","first_computed_at":"2026-05-18T00:48:28.056217Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:48:28.056217Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"PF/5HeqyJFQFp1s09pfRnbhxsHi6dbzwtYynqxgLCwCwLqKDeUKZljqRXf4SuRN+yPTZWOtH3tdqvF8didwTAw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:48:28.056832Z","signed_message":"canonical_sha256_bytes"},"source_id":"1608.02004","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:19b9d252b58960ae7fcd2b29dc80d808014afe7cf35f9ad303108ecc0bfe6d3d","sha256:11a61448a385ec3b4526ddd957e5fea95e686f44c99a7805a144c9465a8a7f2f"],"state_sha256":"02be6de29793cb92829e58daac1c3cd7ab44191d3031d2991d45f3ac2ca92b34"}