{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:WQSUCS7EFL3YLMPPILOAMUUS3W","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":"ba190b13bb8e806f9e05bd2ac4b0ec31f04a5ffd9f7090175e35c10b8931d1e9","cross_cats_sorted":["cs.LO","hep-th","math-ph","math.MP"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2026-06-29T05:31:05Z","title_canon_sha256":"68d81716e06cc83845fa5a3711627a0de6ad2fd0ec1328dfe2b5f93bc041a6e5"},"schema_version":"1.0","source":{"id":"2606.29804","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.29804","created_at":"2026-06-30T02:17:35Z"},{"alias_kind":"arxiv_version","alias_value":"2606.29804v1","created_at":"2026-06-30T02:17:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.29804","created_at":"2026-06-30T02:17:35Z"},{"alias_kind":"pith_short_12","alias_value":"WQSUCS7EFL3Y","created_at":"2026-06-30T02:17:35Z"},{"alias_kind":"pith_short_16","alias_value":"WQSUCS7EFL3YLMPP","created_at":"2026-06-30T02:17:35Z"},{"alias_kind":"pith_short_8","alias_value":"WQSUCS7E","created_at":"2026-06-30T02:17:35Z"}],"graph_snapshots":[{"event_id":"sha256:2d7a2915299f6cfdd6d4eae7a99f2481d88908eb5039d58765320e80264b2b05","target":"graph","created_at":"2026-06-30T02:17:35Z","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/2606.29804/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The discard ZX-calculus, a diagrammatic language for mixed-state quantum mechanics, is used to give a nonperturbative, categorical proof of the Bloch-Nordsieck cancellation of infrared divergences in QED. Soft photons are treated as an open quantum system: the resolved charged particles and hard photons form the system, while photons below a detector resolution form the environment. The reduced hard channel is a completely positive trace-preserving (CPTP) map, and the soft-photon theorem replaces the full S-matrix by a controlled displacement operator whose Feynman-Vernon influence functional ","authors_text":"Soo-Jong Rey","cross_cats":["cs.LO","hep-th","math-ph","math.MP"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2026-06-29T05:31:05Z","title":"Infrared Safety from ZX-Diagrams: A Categorical Proof of Soft-QED as Open Quantum System"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.29804","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":"sha256:6eacf9a4abe9bbfa83711f1e767b042baba779a44f635da5fd2600765c659343","target":"record","created_at":"2026-06-30T02:17:35Z","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":"ba190b13bb8e806f9e05bd2ac4b0ec31f04a5ffd9f7090175e35c10b8931d1e9","cross_cats_sorted":["cs.LO","hep-th","math-ph","math.MP"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2026-06-29T05:31:05Z","title_canon_sha256":"68d81716e06cc83845fa5a3711627a0de6ad2fd0ec1328dfe2b5f93bc041a6e5"},"schema_version":"1.0","source":{"id":"2606.29804","kind":"arxiv","version":1}},"canonical_sha256":"b425414be42af785b1ef42dc065292dda82fdefb53ae89d04709197e8ebe85b0","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b425414be42af785b1ef42dc065292dda82fdefb53ae89d04709197e8ebe85b0","first_computed_at":"2026-06-30T02:17:35.954968Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-06-30T02:17:35.954968Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"qwXAgPZVs/YgXTgby58OoNIMqBp66xqPrDESCCHaZtqt659+jDIjcsUfrWqCGTrMzUB+bri30VjZkgImKtaKBQ==","signature_status":"signed_v1","signed_at":"2026-06-30T02:17:35.955498Z","signed_message":"canonical_sha256_bytes"},"source_id":"2606.29804","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6eacf9a4abe9bbfa83711f1e767b042baba779a44f635da5fd2600765c659343","sha256:2d7a2915299f6cfdd6d4eae7a99f2481d88908eb5039d58765320e80264b2b05"],"state_sha256":"44c8475a54e01603f4095094dfd469054ddf42fb8d3e3986bfd02bf73ac6237c"}