{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:OEB4OOLMP3CGTA3G5HJ4UTLJCT","short_pith_number":"pith:OEB4OOLM","canonical_record":{"source":{"id":"2304.06070","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2023-04-12T18:00:01Z","cross_cats_sorted":["physics.chem-ph"],"title_canon_sha256":"fead0ea526a15f01d33c8f1189712549922415f11da4b0bf9dc33998afd0b6a5","abstract_canon_sha256":"c5809cff553f8a279608b6fcc24ea3efe1b1c7c078decaa5685ff96bcef52b72"},"schema_version":"1.0"},"canonical_sha256":"7103c7396c7ec4698366e9d3ca4d6914e7cebeb9c3aa50104fb06a6cd8bfdb45","source":{"kind":"arxiv","id":"2304.06070","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2304.06070","created_at":"2026-07-05T07:47:01Z"},{"alias_kind":"arxiv_version","alias_value":"2304.06070v2","created_at":"2026-07-05T07:47:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2304.06070","created_at":"2026-07-05T07:47:01Z"},{"alias_kind":"pith_short_12","alias_value":"OEB4OOLMP3CG","created_at":"2026-07-05T07:47:01Z"},{"alias_kind":"pith_short_16","alias_value":"OEB4OOLMP3CGTA3G","created_at":"2026-07-05T07:47:01Z"},{"alias_kind":"pith_short_8","alias_value":"OEB4OOLM","created_at":"2026-07-05T07:47:01Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:OEB4OOLMP3CGTA3G5HJ4UTLJCT","target":"record","payload":{"canonical_record":{"source":{"id":"2304.06070","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2023-04-12T18:00:01Z","cross_cats_sorted":["physics.chem-ph"],"title_canon_sha256":"fead0ea526a15f01d33c8f1189712549922415f11da4b0bf9dc33998afd0b6a5","abstract_canon_sha256":"c5809cff553f8a279608b6fcc24ea3efe1b1c7c078decaa5685ff96bcef52b72"},"schema_version":"1.0"},"canonical_sha256":"7103c7396c7ec4698366e9d3ca4d6914e7cebeb9c3aa50104fb06a6cd8bfdb45","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T07:47:01.447507Z","signature_b64":"hQCz5260tu0bC1GKCEYs430FFi8ThHUUwIpt8Tu3wf3qmWCrG6TuQcdw6gKd2cu8uGb+s+bGzHiq1B1sYUygCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7103c7396c7ec4698366e9d3ca4d6914e7cebeb9c3aa50104fb06a6cd8bfdb45","last_reissued_at":"2026-07-05T07:47:01.446956Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T07:47:01.446956Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2304.06070","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":"2026-07-05T07:47:01Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7lCFulrqTLkPyg7vBvT5EBJVA0ZTdQCTpbK4S+Nxc3+uH7I0KQoEYEn6OAYT/keiV2dYdIp7ORNs+e334NtMCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T07:07:14.573130Z"},"content_sha256":"32c62ab3fb64194a856249f1214f4910049e99ec83d561596195b2aaa0478c0b","schema_version":"1.0","event_id":"sha256:32c62ab3fb64194a856249f1214f4910049e99ec83d561596195b2aaa0478c0b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:OEB4OOLMP3CGTA3G5HJ4UTLJCT","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A hybrid quantum algorithm to detect conical intersections","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["physics.chem-ph"],"primary_cat":"quant-ph","authors_text":"Alexandre Dauphin, Emiel Koridon, Joana Fraxanet, Lucas Visscher, Stefano Polla, Thomas E. O'Brien","submitted_at":"2023-04-12T18:00:01Z","abstract_excerpt":"Conical intersections are topologically protected crossings between the potential energy surfaces of a molecular Hamiltonian, known to play an important role in chemical processes such as photoisomerization and non-radiative relaxation. They are characterized by a non-zero Berry phase, which is a topological invariant defined on a closed path in atomic coordinate space, taking the value $\\pi$ when the path encircles the intersection manifold. In this work, we show that for real molecular Hamiltonians, the Berry phase can be obtained by tracing a local optimum of a variational ansatz along the "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2304.06070","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/2304.06070/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":"2026-07-05T07:47:01Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Ka9Mv+vqV/dYDjaEsdR9+Nmot9vdAjU+q6eLh3w/n4hgZ8bxztegsn3GCfA9fwBXKQbns02uuewSZZO9D8+FCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T07:07:14.573521Z"},"content_sha256":"00a68617c0c54e7af27ed18c21092577cad73f8162c1d650f6548ae879d54d4c","schema_version":"1.0","event_id":"sha256:00a68617c0c54e7af27ed18c21092577cad73f8162c1d650f6548ae879d54d4c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/OEB4OOLMP3CGTA3G5HJ4UTLJCT/bundle.json","state_url":"https://pith.science/pith/OEB4OOLMP3CGTA3G5HJ4UTLJCT/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/OEB4OOLMP3CGTA3G5HJ4UTLJCT/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":"2026-07-07T07:07:14Z","links":{"resolver":"https://pith.science/pith/OEB4OOLMP3CGTA3G5HJ4UTLJCT","bundle":"https://pith.science/pith/OEB4OOLMP3CGTA3G5HJ4UTLJCT/bundle.json","state":"https://pith.science/pith/OEB4OOLMP3CGTA3G5HJ4UTLJCT/state.json","well_known_bundle":"https://pith.science/.well-known/pith/OEB4OOLMP3CGTA3G5HJ4UTLJCT/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:OEB4OOLMP3CGTA3G5HJ4UTLJCT","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":"c5809cff553f8a279608b6fcc24ea3efe1b1c7c078decaa5685ff96bcef52b72","cross_cats_sorted":["physics.chem-ph"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2023-04-12T18:00:01Z","title_canon_sha256":"fead0ea526a15f01d33c8f1189712549922415f11da4b0bf9dc33998afd0b6a5"},"schema_version":"1.0","source":{"id":"2304.06070","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2304.06070","created_at":"2026-07-05T07:47:01Z"},{"alias_kind":"arxiv_version","alias_value":"2304.06070v2","created_at":"2026-07-05T07:47:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2304.06070","created_at":"2026-07-05T07:47:01Z"},{"alias_kind":"pith_short_12","alias_value":"OEB4OOLMP3CG","created_at":"2026-07-05T07:47:01Z"},{"alias_kind":"pith_short_16","alias_value":"OEB4OOLMP3CGTA3G","created_at":"2026-07-05T07:47:01Z"},{"alias_kind":"pith_short_8","alias_value":"OEB4OOLM","created_at":"2026-07-05T07:47:01Z"}],"graph_snapshots":[{"event_id":"sha256:00a68617c0c54e7af27ed18c21092577cad73f8162c1d650f6548ae879d54d4c","target":"graph","created_at":"2026-07-05T07:47:01Z","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/2304.06070/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Conical intersections are topologically protected crossings between the potential energy surfaces of a molecular Hamiltonian, known to play an important role in chemical processes such as photoisomerization and non-radiative relaxation. They are characterized by a non-zero Berry phase, which is a topological invariant defined on a closed path in atomic coordinate space, taking the value $\\pi$ when the path encircles the intersection manifold. In this work, we show that for real molecular Hamiltonians, the Berry phase can be obtained by tracing a local optimum of a variational ansatz along the ","authors_text":"Alexandre Dauphin, Emiel Koridon, Joana Fraxanet, Lucas Visscher, Stefano Polla, Thomas E. O'Brien","cross_cats":["physics.chem-ph"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2023-04-12T18:00:01Z","title":"A hybrid quantum algorithm to detect conical intersections"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2304.06070","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":"sha256:32c62ab3fb64194a856249f1214f4910049e99ec83d561596195b2aaa0478c0b","target":"record","created_at":"2026-07-05T07:47:01Z","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":"c5809cff553f8a279608b6fcc24ea3efe1b1c7c078decaa5685ff96bcef52b72","cross_cats_sorted":["physics.chem-ph"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2023-04-12T18:00:01Z","title_canon_sha256":"fead0ea526a15f01d33c8f1189712549922415f11da4b0bf9dc33998afd0b6a5"},"schema_version":"1.0","source":{"id":"2304.06070","kind":"arxiv","version":2}},"canonical_sha256":"7103c7396c7ec4698366e9d3ca4d6914e7cebeb9c3aa50104fb06a6cd8bfdb45","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7103c7396c7ec4698366e9d3ca4d6914e7cebeb9c3aa50104fb06a6cd8bfdb45","first_computed_at":"2026-07-05T07:47:01.446956Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T07:47:01.446956Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"hQCz5260tu0bC1GKCEYs430FFi8ThHUUwIpt8Tu3wf3qmWCrG6TuQcdw6gKd2cu8uGb+s+bGzHiq1B1sYUygCQ==","signature_status":"signed_v1","signed_at":"2026-07-05T07:47:01.447507Z","signed_message":"canonical_sha256_bytes"},"source_id":"2304.06070","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:32c62ab3fb64194a856249f1214f4910049e99ec83d561596195b2aaa0478c0b","sha256:00a68617c0c54e7af27ed18c21092577cad73f8162c1d650f6548ae879d54d4c"],"state_sha256":"3a67dfba90663829cfd287cf7c612eeb347d4395a0fcef00846f776ea2ae1976"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"USobEXyc+2KJTdJ9Lj/NOwSjjl0hBEPgxL6rY06BhO34Ftq4sdvy/rple1Hp8FwCqASBWpBH1WnYuPyBL9uhDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-07T07:07:14.575459Z","bundle_sha256":"6751a35e438eac98124d4c38afecd9ef66a75e6bb6d56e11fd61919e088bb24f"}}