{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:AKBRUSGUWLFDTSK75HNHXMJWM2","short_pith_number":"pith:AKBRUSGU","canonical_record":{"source":{"id":"2506.12391","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2025-06-14T08:01:34Z","cross_cats_sorted":["cond-mat.str-el"],"title_canon_sha256":"a2be0f757b98d88476c609671686d00ea77b1366d094bd74809a5fb66d539a24","abstract_canon_sha256":"9cd525bbdc060cb2d68cb338f0b4f78645d665c241b915d03990e46d3a8790de"},"schema_version":"1.0"},"canonical_sha256":"02831a48d4b2ca39c95fe9da7bb13666930d288d216f8636bffd81bd6901a58f","source":{"kind":"arxiv","id":"2506.12391","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2506.12391","created_at":"2026-07-05T11:21:52Z"},{"alias_kind":"arxiv_version","alias_value":"2506.12391v1","created_at":"2026-07-05T11:21:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2506.12391","created_at":"2026-07-05T11:21:52Z"},{"alias_kind":"pith_short_12","alias_value":"AKBRUSGUWLFD","created_at":"2026-07-05T11:21:52Z"},{"alias_kind":"pith_short_16","alias_value":"AKBRUSGUWLFDTSK7","created_at":"2026-07-05T11:21:52Z"},{"alias_kind":"pith_short_8","alias_value":"AKBRUSGU","created_at":"2026-07-05T11:21:52Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:AKBRUSGUWLFDTSK75HNHXMJWM2","target":"record","payload":{"canonical_record":{"source":{"id":"2506.12391","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2025-06-14T08:01:34Z","cross_cats_sorted":["cond-mat.str-el"],"title_canon_sha256":"a2be0f757b98d88476c609671686d00ea77b1366d094bd74809a5fb66d539a24","abstract_canon_sha256":"9cd525bbdc060cb2d68cb338f0b4f78645d665c241b915d03990e46d3a8790de"},"schema_version":"1.0"},"canonical_sha256":"02831a48d4b2ca39c95fe9da7bb13666930d288d216f8636bffd81bd6901a58f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:21:52.561162Z","signature_b64":"+qXdeiOZxms/5Rl9bHQsElvQX1wNe/Ra3Q+iZ17MTom7a99R9nK8NWEWPDK+96D0ENL4iEkKOwYhEIQAuZRmDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"02831a48d4b2ca39c95fe9da7bb13666930d288d216f8636bffd81bd6901a58f","last_reissued_at":"2026-07-05T11:21:52.560673Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:21:52.560673Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2506.12391","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":"2026-07-05T11:21:52Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"bGihV8/eaE4R1X3OkP2ejcSFXvz148pIC1FVDYqbhX4y1Wu+BSkRAnABlQsFHGOGIxkj/EgScqqFSUH3xzplCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-08T09:11:58.067836Z"},"content_sha256":"d862d587b4354bcdca86aa906dd23d01a499f5559a6abf7a563fbd1d0a0f2ef2","schema_version":"1.0","event_id":"sha256:d862d587b4354bcdca86aa906dd23d01a499f5559a6abf7a563fbd1d0a0f2ef2"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:AKBRUSGUWLFDTSK75HNHXMJWM2","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Simulating the Antiferromagnetic Heisenberg Model on a Spin-Frustrated Kagome Lattice with the Contextual Subspace Variational Quantum Eigensolver","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.str-el"],"primary_cat":"quant-ph","authors_text":"Alexis Ralli, Peter J. Love, Peter V. Coveney, Tim Weaving, Vinul Wimalaweera","submitted_at":"2025-06-14T08:01:34Z","abstract_excerpt":"In this work we investigate the ground state properties of a candidate quantum spin liquid using a superconducting Noisy Intermediate-Scale Quantum (NISQ) device. Specifically, we study the antiferromagnetic Heisenberg model on a Kagome lattice, a geometrically frustrated structure that gives rise to a highly degenerate energy spectrum. To successfully simulate this system, we employ a qubit reduction strategy leveraging the Contextual Subspace methodology, significantly reducing the problem size prior to execution on the quantum device. We improve the quality of these subspaces by using the w"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2506.12391","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2506.12391/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":"2026-07-05T11:21:52Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8RdtMC3Uz7ehTASK3zLjwoAH40jidhVup0HReT4UdMRSOFk+83lUPfY8K8vrLJNP+/acEDOv+8PAgXzBdPLaBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-08T09:11:58.068349Z"},"content_sha256":"0384956034b4ff67d88a9c7e2f02490f221e299fede2f2a37f55636f1822b01b","schema_version":"1.0","event_id":"sha256:0384956034b4ff67d88a9c7e2f02490f221e299fede2f2a37f55636f1822b01b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/AKBRUSGUWLFDTSK75HNHXMJWM2/bundle.json","state_url":"https://pith.science/pith/AKBRUSGUWLFDTSK75HNHXMJWM2/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/AKBRUSGUWLFDTSK75HNHXMJWM2/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":"2026-08-08T09:11:58Z","links":{"resolver":"https://pith.science/pith/AKBRUSGUWLFDTSK75HNHXMJWM2","bundle":"https://pith.science/pith/AKBRUSGUWLFDTSK75HNHXMJWM2/bundle.json","state":"https://pith.science/pith/AKBRUSGUWLFDTSK75HNHXMJWM2/state.json","well_known_bundle":"https://pith.science/.well-known/pith/AKBRUSGUWLFDTSK75HNHXMJWM2/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:AKBRUSGUWLFDTSK75HNHXMJWM2","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":"9cd525bbdc060cb2d68cb338f0b4f78645d665c241b915d03990e46d3a8790de","cross_cats_sorted":["cond-mat.str-el"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2025-06-14T08:01:34Z","title_canon_sha256":"a2be0f757b98d88476c609671686d00ea77b1366d094bd74809a5fb66d539a24"},"schema_version":"1.0","source":{"id":"2506.12391","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2506.12391","created_at":"2026-07-05T11:21:52Z"},{"alias_kind":"arxiv_version","alias_value":"2506.12391v1","created_at":"2026-07-05T11:21:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2506.12391","created_at":"2026-07-05T11:21:52Z"},{"alias_kind":"pith_short_12","alias_value":"AKBRUSGUWLFD","created_at":"2026-07-05T11:21:52Z"},{"alias_kind":"pith_short_16","alias_value":"AKBRUSGUWLFDTSK7","created_at":"2026-07-05T11:21:52Z"},{"alias_kind":"pith_short_8","alias_value":"AKBRUSGU","created_at":"2026-07-05T11:21:52Z"}],"graph_snapshots":[{"event_id":"sha256:0384956034b4ff67d88a9c7e2f02490f221e299fede2f2a37f55636f1822b01b","target":"graph","created_at":"2026-07-05T11:21:52Z","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/2506.12391/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"In this work we investigate the ground state properties of a candidate quantum spin liquid using a superconducting Noisy Intermediate-Scale Quantum (NISQ) device. Specifically, we study the antiferromagnetic Heisenberg model on a Kagome lattice, a geometrically frustrated structure that gives rise to a highly degenerate energy spectrum. To successfully simulate this system, we employ a qubit reduction strategy leveraging the Contextual Subspace methodology, significantly reducing the problem size prior to execution on the quantum device. We improve the quality of these subspaces by using the w","authors_text":"Alexis Ralli, Peter J. Love, Peter V. Coveney, Tim Weaving, Vinul Wimalaweera","cross_cats":["cond-mat.str-el"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2025-06-14T08:01:34Z","title":"Simulating the Antiferromagnetic Heisenberg Model on a Spin-Frustrated Kagome Lattice with the Contextual Subspace Variational Quantum Eigensolver"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2506.12391","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:d862d587b4354bcdca86aa906dd23d01a499f5559a6abf7a563fbd1d0a0f2ef2","target":"record","created_at":"2026-07-05T11:21:52Z","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":"9cd525bbdc060cb2d68cb338f0b4f78645d665c241b915d03990e46d3a8790de","cross_cats_sorted":["cond-mat.str-el"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2025-06-14T08:01:34Z","title_canon_sha256":"a2be0f757b98d88476c609671686d00ea77b1366d094bd74809a5fb66d539a24"},"schema_version":"1.0","source":{"id":"2506.12391","kind":"arxiv","version":1}},"canonical_sha256":"02831a48d4b2ca39c95fe9da7bb13666930d288d216f8636bffd81bd6901a58f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"02831a48d4b2ca39c95fe9da7bb13666930d288d216f8636bffd81bd6901a58f","first_computed_at":"2026-07-05T11:21:52.560673Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T11:21:52.560673Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"+qXdeiOZxms/5Rl9bHQsElvQX1wNe/Ra3Q+iZ17MTom7a99R9nK8NWEWPDK+96D0ENL4iEkKOwYhEIQAuZRmDg==","signature_status":"signed_v1","signed_at":"2026-07-05T11:21:52.561162Z","signed_message":"canonical_sha256_bytes"},"source_id":"2506.12391","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d862d587b4354bcdca86aa906dd23d01a499f5559a6abf7a563fbd1d0a0f2ef2","sha256:0384956034b4ff67d88a9c7e2f02490f221e299fede2f2a37f55636f1822b01b"],"state_sha256":"3487511e175bcd9bc21c6af1d96ea92c140920926ab4fa16956791239088252f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"iIzlFSMVsGkFdeD4JOAiAAPcl6LuOTCXurjTc9Z3NknuQJyLsg5T2aOGwUGsHArwkTNfboXu79vfog1n7uUYBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-08T09:11:58.072496Z","bundle_sha256":"b2bfa3812c5ca564ae002b39dc23cbc2cdfd0dbe73528ea75040d578ffd4929c"}}