{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:3U7ESFTR7MRE4XFXKDWUQ3HVL6","short_pith_number":"pith:3U7ESFTR","canonical_record":{"source":{"id":"2608.01769","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"nucl-th","submitted_at":"2026-08-03T06:42:45Z","cross_cats_sorted":["quant-ph"],"title_canon_sha256":"e7c0bd84f7cb339b188f9fcb96bb76625e424f0f9795b587c92cea2bb6f2d7c5","abstract_canon_sha256":"39752ab347928ef5d81eb50c8aace9bfa72feb46dd88673d63af0b7efeef3c33"},"schema_version":"1.0"},"canonical_sha256":"dd3e491671fb224e5cb750ed486cf55fa6dbd7ad51110f88ea9cfb747db2f33c","source":{"kind":"arxiv","id":"2608.01769","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2608.01769","created_at":"2026-08-04T02:06:50Z"},{"alias_kind":"arxiv_version","alias_value":"2608.01769v1","created_at":"2026-08-04T02:06:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2608.01769","created_at":"2026-08-04T02:06:50Z"},{"alias_kind":"pith_short_12","alias_value":"3U7ESFTR7MRE","created_at":"2026-08-04T02:06:50Z"},{"alias_kind":"pith_short_16","alias_value":"3U7ESFTR7MRE4XFX","created_at":"2026-08-04T02:06:50Z"},{"alias_kind":"pith_short_8","alias_value":"3U7ESFTR","created_at":"2026-08-04T02:06:50Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:3U7ESFTR7MRE4XFXKDWUQ3HVL6","target":"record","payload":{"canonical_record":{"source":{"id":"2608.01769","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"nucl-th","submitted_at":"2026-08-03T06:42:45Z","cross_cats_sorted":["quant-ph"],"title_canon_sha256":"e7c0bd84f7cb339b188f9fcb96bb76625e424f0f9795b587c92cea2bb6f2d7c5","abstract_canon_sha256":"39752ab347928ef5d81eb50c8aace9bfa72feb46dd88673d63af0b7efeef3c33"},"schema_version":"1.0"},"canonical_sha256":"dd3e491671fb224e5cb750ed486cf55fa6dbd7ad51110f88ea9cfb747db2f33c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-08-04T02:06:50.197403Z","signature_b64":"5UIsbcXepgSzRaHtXLyEvRGlGMeCmSfZmvkLz6BnWf8xmb78E28CQtFfQHzKg1gTQCEseqamDAu4DFuEA8ZPDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"dd3e491671fb224e5cb750ed486cf55fa6dbd7ad51110f88ea9cfb747db2f33c","last_reissued_at":"2026-08-04T02:06:50.195839Z","signature_status":"signed_v1","first_computed_at":"2026-08-04T02:06:50.195839Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2608.01769","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":"2026-08-04T02:06:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Vatm4ZKQiD6G0Pg+hdFoCw1I5e1LzHSsiMsAaiUgytAwbStlfOkKo0uTNmEaijVlNXtzT3k+dKhTlF8arBfwCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-08T11:12:28.635351Z"},"content_sha256":"fa213bab9ba7911bd8993495e0e0dcb06ddd96de8540653298fb8a1519ada7a5","schema_version":"1.0","event_id":"sha256:fa213bab9ba7911bd8993495e0e0dcb06ddd96de8540653298fb8a1519ada7a5"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:3U7ESFTR7MRE4XFXKDWUQ3HVL6","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Quantum Simulation of Nuclear Shell Model Using GCM-Based Methods on NISQ Devices","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["quant-ph"],"primary_cat":"nucl-th","authors_text":"Ankit Kumar Das, Ashutosh Singh, Durgesh Pandey, P. Arumugam","submitted_at":"2026-08-03T06:42:45Z","abstract_excerpt":"Based on the Generator Coordinate Method (GCM), we use a Quantum GCM (QuGCM) within a hybrid quantum-classical framework to simulate low-lying eigenstates of nuclear systems on quantum devices. The generator basis states are constructed from Hartree-Fock (HF) reference states, excited via symmetry-adapted unitary coupled-cluster (UCC) operators. These states are prepared as non-orthogonal quantum circuits and measured pairwise to compute the required overlap and Hamiltonian kernels. The resulting data is processed using a classical generalized-eigenvalue solver, following the GCM formalism, to"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2608.01769","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/2608.01769/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":"2026-08-04T02:06:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GZlFFwwuaR60BFWMVEzq0pBf+mHAVCZjQihnev/rz7xEvKJ3PeC/UGvyWjRR8PJL+cyjeypj3wWbSYs8vNQZDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-08T11:12:28.635863Z"},"content_sha256":"ec9ff9b06847661d881a528dafe8ebb57961a05a8b922a79520c2956fe0b516d","schema_version":"1.0","event_id":"sha256:ec9ff9b06847661d881a528dafe8ebb57961a05a8b922a79520c2956fe0b516d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/3U7ESFTR7MRE4XFXKDWUQ3HVL6/bundle.json","state_url":"https://pith.science/pith/3U7ESFTR7MRE4XFXKDWUQ3HVL6/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/3U7ESFTR7MRE4XFXKDWUQ3HVL6/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":"2026-08-08T11:12:28Z","links":{"resolver":"https://pith.science/pith/3U7ESFTR7MRE4XFXKDWUQ3HVL6","bundle":"https://pith.science/pith/3U7ESFTR7MRE4XFXKDWUQ3HVL6/bundle.json","state":"https://pith.science/pith/3U7ESFTR7MRE4XFXKDWUQ3HVL6/state.json","well_known_bundle":"https://pith.science/.well-known/pith/3U7ESFTR7MRE4XFXKDWUQ3HVL6/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:3U7ESFTR7MRE4XFXKDWUQ3HVL6","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":"39752ab347928ef5d81eb50c8aace9bfa72feb46dd88673d63af0b7efeef3c33","cross_cats_sorted":["quant-ph"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"nucl-th","submitted_at":"2026-08-03T06:42:45Z","title_canon_sha256":"e7c0bd84f7cb339b188f9fcb96bb76625e424f0f9795b587c92cea2bb6f2d7c5"},"schema_version":"1.0","source":{"id":"2608.01769","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2608.01769","created_at":"2026-08-04T02:06:50Z"},{"alias_kind":"arxiv_version","alias_value":"2608.01769v1","created_at":"2026-08-04T02:06:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2608.01769","created_at":"2026-08-04T02:06:50Z"},{"alias_kind":"pith_short_12","alias_value":"3U7ESFTR7MRE","created_at":"2026-08-04T02:06:50Z"},{"alias_kind":"pith_short_16","alias_value":"3U7ESFTR7MRE4XFX","created_at":"2026-08-04T02:06:50Z"},{"alias_kind":"pith_short_8","alias_value":"3U7ESFTR","created_at":"2026-08-04T02:06:50Z"}],"graph_snapshots":[{"event_id":"sha256:ec9ff9b06847661d881a528dafe8ebb57961a05a8b922a79520c2956fe0b516d","target":"graph","created_at":"2026-08-04T02:06:50Z","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/2608.01769/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Based on the Generator Coordinate Method (GCM), we use a Quantum GCM (QuGCM) within a hybrid quantum-classical framework to simulate low-lying eigenstates of nuclear systems on quantum devices. The generator basis states are constructed from Hartree-Fock (HF) reference states, excited via symmetry-adapted unitary coupled-cluster (UCC) operators. These states are prepared as non-orthogonal quantum circuits and measured pairwise to compute the required overlap and Hamiltonian kernels. The resulting data is processed using a classical generalized-eigenvalue solver, following the GCM formalism, to","authors_text":"Ankit Kumar Das, Ashutosh Singh, Durgesh Pandey, P. Arumugam","cross_cats":["quant-ph"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"nucl-th","submitted_at":"2026-08-03T06:42:45Z","title":"Quantum Simulation of Nuclear Shell Model Using GCM-Based Methods on NISQ Devices"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2608.01769","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:fa213bab9ba7911bd8993495e0e0dcb06ddd96de8540653298fb8a1519ada7a5","target":"record","created_at":"2026-08-04T02:06:50Z","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":"39752ab347928ef5d81eb50c8aace9bfa72feb46dd88673d63af0b7efeef3c33","cross_cats_sorted":["quant-ph"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"nucl-th","submitted_at":"2026-08-03T06:42:45Z","title_canon_sha256":"e7c0bd84f7cb339b188f9fcb96bb76625e424f0f9795b587c92cea2bb6f2d7c5"},"schema_version":"1.0","source":{"id":"2608.01769","kind":"arxiv","version":1}},"canonical_sha256":"dd3e491671fb224e5cb750ed486cf55fa6dbd7ad51110f88ea9cfb747db2f33c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"dd3e491671fb224e5cb750ed486cf55fa6dbd7ad51110f88ea9cfb747db2f33c","first_computed_at":"2026-08-04T02:06:50.195839Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-08-04T02:06:50.195839Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"5UIsbcXepgSzRaHtXLyEvRGlGMeCmSfZmvkLz6BnWf8xmb78E28CQtFfQHzKg1gTQCEseqamDAu4DFuEA8ZPDw==","signature_status":"signed_v1","signed_at":"2026-08-04T02:06:50.197403Z","signed_message":"canonical_sha256_bytes"},"source_id":"2608.01769","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:fa213bab9ba7911bd8993495e0e0dcb06ddd96de8540653298fb8a1519ada7a5","sha256:ec9ff9b06847661d881a528dafe8ebb57961a05a8b922a79520c2956fe0b516d"],"state_sha256":"541503753eeea126901e29d3d0726f214ce3b25df84e53bfc75033e5dc7eb0a4"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7cw5SCKnggKZXVazPJnc+2x8WJ1aFxtxY+ABwB7yBN1mnk1D+LDTC3pFwms2chi3GJ9M6smPSDEjBrkhRuNPDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-08T11:12:28.639653Z","bundle_sha256":"34ae4c5c3ce491ed3885ca0cf84e51bc7422de85d492d7018ce9b50328660097"}}