{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:S54Q5MIAKZLOMU7BM7XMUI5VDN","short_pith_number":"pith:S54Q5MIA","canonical_record":{"source":{"id":"2206.11839","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2022-06-23T17:11:12Z","cross_cats_sorted":[],"title_canon_sha256":"340d45d0936fe05e07c69099d6ff65e585aebc18b5d5731a0f1ccb5c069a7145","abstract_canon_sha256":"4fa69c10310ca2c232bed90ad2a690a575887b5eb4f1de930022efb2f3b3d94c"},"schema_version":"1.0"},"canonical_sha256":"97790eb1005656e653e167eeca23b51b4cec4d8f58c2d7a53e00d4c8a7e60c5c","source":{"kind":"arxiv","id":"2206.11839","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2206.11839","created_at":"2026-07-05T07:12:46Z"},{"alias_kind":"arxiv_version","alias_value":"2206.11839v2","created_at":"2026-07-05T07:12:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2206.11839","created_at":"2026-07-05T07:12:46Z"},{"alias_kind":"pith_short_12","alias_value":"S54Q5MIAKZLO","created_at":"2026-07-05T07:12:46Z"},{"alias_kind":"pith_short_16","alias_value":"S54Q5MIAKZLOMU7B","created_at":"2026-07-05T07:12:46Z"},{"alias_kind":"pith_short_8","alias_value":"S54Q5MIA","created_at":"2026-07-05T07:12:46Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:S54Q5MIAKZLOMU7BM7XMUI5VDN","target":"record","payload":{"canonical_record":{"source":{"id":"2206.11839","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2022-06-23T17:11:12Z","cross_cats_sorted":[],"title_canon_sha256":"340d45d0936fe05e07c69099d6ff65e585aebc18b5d5731a0f1ccb5c069a7145","abstract_canon_sha256":"4fa69c10310ca2c232bed90ad2a690a575887b5eb4f1de930022efb2f3b3d94c"},"schema_version":"1.0"},"canonical_sha256":"97790eb1005656e653e167eeca23b51b4cec4d8f58c2d7a53e00d4c8a7e60c5c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T07:12:46.480524Z","signature_b64":"XYZHLPueHvh0+m4hokJ6YQDXfspLnxwyrAjF2nyiE0N67o6iNTf7TKPsI86JTwZXwjPyEtz4wj3i+wNp9h2sCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"97790eb1005656e653e167eeca23b51b4cec4d8f58c2d7a53e00d4c8a7e60c5c","last_reissued_at":"2026-07-05T07:12:46.480023Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T07:12:46.480023Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2206.11839","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":"2026-07-05T07:12:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"YuxOP6zehUlUh0owb0SnrVPurCMKgngYm6i7X2w++OafjftfiDNFhGSVvR8Nlj0c0ajAGUIF0kcrtWswBLjQCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-12T18:21:23.319686Z"},"content_sha256":"3f90577063a03349101a1ee50260b2035cba73f1fcbf3b6e59690c9b86e0357b","schema_version":"1.0","event_id":"sha256:3f90577063a03349101a1ee50260b2035cba73f1fcbf3b6e59690c9b86e0357b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:S54Q5MIAKZLOMU7BM7XMUI5VDN","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Annealing Optimisation of Mixed ZX Phase Circuits","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Richie Yeung (Quantinuum Ltd), Stefano Gogioso (Hashberg Ltd)","submitted_at":"2022-06-23T17:11:12Z","abstract_excerpt":"We present a topology-aware optimisation technique for circuits of mixed ZX phase gadgets, based on conjugation by CX gates and simulated annealing."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2206.11839","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/2206.11839/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":"2026-07-05T07:12:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Suo5VEPP3+kAg0TpQ5Lzch+olLkinQT8da6LhmS9RtM5KSg9D8jQyEGIYxO9xSePhCedK3n88xeaCYagTISpBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-12T18:21:23.320563Z"},"content_sha256":"a415a231d4318f90071103376e6679d8ee8cabddabedcb64fbe665a5167a2323","schema_version":"1.0","event_id":"sha256:a415a231d4318f90071103376e6679d8ee8cabddabedcb64fbe665a5167a2323"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/S54Q5MIAKZLOMU7BM7XMUI5VDN/bundle.json","state_url":"https://pith.science/pith/S54Q5MIAKZLOMU7BM7XMUI5VDN/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/S54Q5MIAKZLOMU7BM7XMUI5VDN/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":"2026-08-12T18:21:23Z","links":{"resolver":"https://pith.science/pith/S54Q5MIAKZLOMU7BM7XMUI5VDN","bundle":"https://pith.science/pith/S54Q5MIAKZLOMU7BM7XMUI5VDN/bundle.json","state":"https://pith.science/pith/S54Q5MIAKZLOMU7BM7XMUI5VDN/state.json","well_known_bundle":"https://pith.science/.well-known/pith/S54Q5MIAKZLOMU7BM7XMUI5VDN/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:S54Q5MIAKZLOMU7BM7XMUI5VDN","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":"4fa69c10310ca2c232bed90ad2a690a575887b5eb4f1de930022efb2f3b3d94c","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2022-06-23T17:11:12Z","title_canon_sha256":"340d45d0936fe05e07c69099d6ff65e585aebc18b5d5731a0f1ccb5c069a7145"},"schema_version":"1.0","source":{"id":"2206.11839","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2206.11839","created_at":"2026-07-05T07:12:46Z"},{"alias_kind":"arxiv_version","alias_value":"2206.11839v2","created_at":"2026-07-05T07:12:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2206.11839","created_at":"2026-07-05T07:12:46Z"},{"alias_kind":"pith_short_12","alias_value":"S54Q5MIAKZLO","created_at":"2026-07-05T07:12:46Z"},{"alias_kind":"pith_short_16","alias_value":"S54Q5MIAKZLOMU7B","created_at":"2026-07-05T07:12:46Z"},{"alias_kind":"pith_short_8","alias_value":"S54Q5MIA","created_at":"2026-07-05T07:12:46Z"}],"graph_snapshots":[{"event_id":"sha256:a415a231d4318f90071103376e6679d8ee8cabddabedcb64fbe665a5167a2323","target":"graph","created_at":"2026-07-05T07:12:46Z","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/2206.11839/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We present a topology-aware optimisation technique for circuits of mixed ZX phase gadgets, based on conjugation by CX gates and simulated annealing.","authors_text":"Richie Yeung (Quantinuum Ltd), Stefano Gogioso (Hashberg Ltd)","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2022-06-23T17:11:12Z","title":"Annealing Optimisation of Mixed ZX Phase Circuits"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2206.11839","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":"sha256:3f90577063a03349101a1ee50260b2035cba73f1fcbf3b6e59690c9b86e0357b","target":"record","created_at":"2026-07-05T07:12:46Z","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":"4fa69c10310ca2c232bed90ad2a690a575887b5eb4f1de930022efb2f3b3d94c","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2022-06-23T17:11:12Z","title_canon_sha256":"340d45d0936fe05e07c69099d6ff65e585aebc18b5d5731a0f1ccb5c069a7145"},"schema_version":"1.0","source":{"id":"2206.11839","kind":"arxiv","version":2}},"canonical_sha256":"97790eb1005656e653e167eeca23b51b4cec4d8f58c2d7a53e00d4c8a7e60c5c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"97790eb1005656e653e167eeca23b51b4cec4d8f58c2d7a53e00d4c8a7e60c5c","first_computed_at":"2026-07-05T07:12:46.480023Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T07:12:46.480023Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"XYZHLPueHvh0+m4hokJ6YQDXfspLnxwyrAjF2nyiE0N67o6iNTf7TKPsI86JTwZXwjPyEtz4wj3i+wNp9h2sCw==","signature_status":"signed_v1","signed_at":"2026-07-05T07:12:46.480524Z","signed_message":"canonical_sha256_bytes"},"source_id":"2206.11839","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:3f90577063a03349101a1ee50260b2035cba73f1fcbf3b6e59690c9b86e0357b","sha256:a415a231d4318f90071103376e6679d8ee8cabddabedcb64fbe665a5167a2323"],"state_sha256":"5150d918ebe6ed57291bcd8cec96ea97b38672d20395e6b71a87a98d0a8f3450"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QYOvQYXNnGwo6knVdbnjrTbs+U/s8VO5RC67juWVq29w7j6ibL1KBeM35iJJ4B59SuioxQyyAtcIaNejZcAQCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-12T18:21:23.344008Z","bundle_sha256":"dec22ac58b5df45e2eae22e96b4ac8973633a9bd0f5f67d5c58a5b75c1c04b7e"}}