{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:DGONO4E5FCGOEVRYID3MMCVTTW","short_pith_number":"pith:DGONO4E5","canonical_record":{"source":{"id":"2212.14313","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2022-12-29T14:03:08Z","cross_cats_sorted":["cond-mat.mes-hall","cond-mat.str-el","nucl-th"],"title_canon_sha256":"b7e831d20157028e0d83bc5e0e9e5abafdc91294076d7edeb8cfdf0c9808372d","abstract_canon_sha256":"d6afecddef863e5af2d68c3a717ea1acd06f3582edb1e7d90e1c84aff44bacba"},"schema_version":"1.0"},"canonical_sha256":"199cd7709d288ce2563840f6c60ab39da9c4a34877b2768eb790ddd1d020f274","source":{"kind":"arxiv","id":"2212.14313","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2212.14313","created_at":"2026-07-05T06:02:04Z"},{"alias_kind":"arxiv_version","alias_value":"2212.14313v1","created_at":"2026-07-05T06:02:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2212.14313","created_at":"2026-07-05T06:02:04Z"},{"alias_kind":"pith_short_12","alias_value":"DGONO4E5FCGO","created_at":"2026-07-05T06:02:04Z"},{"alias_kind":"pith_short_16","alias_value":"DGONO4E5FCGOEVRY","created_at":"2026-07-05T06:02:04Z"},{"alias_kind":"pith_short_8","alias_value":"DGONO4E5","created_at":"2026-07-05T06:02:04Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:DGONO4E5FCGOEVRYID3MMCVTTW","target":"record","payload":{"canonical_record":{"source":{"id":"2212.14313","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2022-12-29T14:03:08Z","cross_cats_sorted":["cond-mat.mes-hall","cond-mat.str-el","nucl-th"],"title_canon_sha256":"b7e831d20157028e0d83bc5e0e9e5abafdc91294076d7edeb8cfdf0c9808372d","abstract_canon_sha256":"d6afecddef863e5af2d68c3a717ea1acd06f3582edb1e7d90e1c84aff44bacba"},"schema_version":"1.0"},"canonical_sha256":"199cd7709d288ce2563840f6c60ab39da9c4a34877b2768eb790ddd1d020f274","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T06:02:04.503786Z","signature_b64":"xVG/OgOFVISg5+X6wL9kLSoEbOUDbyC6zab/GDVzIKQSP75yergkgZBCgKQvRfpBtjVvEfzTJLyKajdhFrJmBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"199cd7709d288ce2563840f6c60ab39da9c4a34877b2768eb790ddd1d020f274","last_reissued_at":"2026-07-05T06:02:04.503370Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T06:02:04.503370Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2212.14313","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":"2026-07-05T06:02:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"J+XwrCEBDuVL42G+mzP5fpCa2VNfWlYSBLhOs9TlQOtNXxVKCSQ49+HH/BWxqgzLijH+q3k3dUMZaZ+Or3A9Bw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-09T10:11:40.857329Z"},"content_sha256":"65dc044308a3266bf2278b992aa931c17c40180f96d3154fd60bab3f6a6a91ce","schema_version":"1.0","event_id":"sha256:65dc044308a3266bf2278b992aa931c17c40180f96d3154fd60bab3f6a6a91ce"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:DGONO4E5FCGOEVRYID3MMCVTTW","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Reduced basis emulation of pairing in finite systems","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mes-hall","cond-mat.str-el","nucl-th"],"primary_cat":"cond-mat.supr-con","authors_text":"Denis R. Nichita, Virgil V. Baran","submitted_at":"2022-12-29T14:03:08Z","abstract_excerpt":"In recent years, reduced basis methods (RBMs) have been adapted to the many-body eigenvalue problem and they have been used, largely in nuclear physics, as fast emulators able to bypass expensive direct computations while still providing highly accurate results. This work is meant to show that the RBM is an efficient and accurate emulator for the strong correlations induced by the pairing interaction in a variety of finite systems like ultrasmall superconducting grains, interacting topological superfluids and mesoscopic hybrid superconductor-semiconductor devices, all of which require an expen"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2212.14313","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/2212.14313/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":"2026-07-05T06:02:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gDaQrV9hqWEx6L9PmjMBLBb6BpiiieOWkPP/VYrxBPu5JFZdM8TNC97HPk26CjglAicH8KZHQ8So6oENgOVOCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-09T10:11:40.857861Z"},"content_sha256":"5c02a3088b1f34478f036cce3db2cf1d2374a5255a4385aa0ea22e148ca8cf72","schema_version":"1.0","event_id":"sha256:5c02a3088b1f34478f036cce3db2cf1d2374a5255a4385aa0ea22e148ca8cf72"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/DGONO4E5FCGOEVRYID3MMCVTTW/bundle.json","state_url":"https://pith.science/pith/DGONO4E5FCGOEVRYID3MMCVTTW/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/DGONO4E5FCGOEVRYID3MMCVTTW/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":"2026-08-09T10:11:40Z","links":{"resolver":"https://pith.science/pith/DGONO4E5FCGOEVRYID3MMCVTTW","bundle":"https://pith.science/pith/DGONO4E5FCGOEVRYID3MMCVTTW/bundle.json","state":"https://pith.science/pith/DGONO4E5FCGOEVRYID3MMCVTTW/state.json","well_known_bundle":"https://pith.science/.well-known/pith/DGONO4E5FCGOEVRYID3MMCVTTW/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:DGONO4E5FCGOEVRYID3MMCVTTW","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":"d6afecddef863e5af2d68c3a717ea1acd06f3582edb1e7d90e1c84aff44bacba","cross_cats_sorted":["cond-mat.mes-hall","cond-mat.str-el","nucl-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2022-12-29T14:03:08Z","title_canon_sha256":"b7e831d20157028e0d83bc5e0e9e5abafdc91294076d7edeb8cfdf0c9808372d"},"schema_version":"1.0","source":{"id":"2212.14313","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2212.14313","created_at":"2026-07-05T06:02:04Z"},{"alias_kind":"arxiv_version","alias_value":"2212.14313v1","created_at":"2026-07-05T06:02:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2212.14313","created_at":"2026-07-05T06:02:04Z"},{"alias_kind":"pith_short_12","alias_value":"DGONO4E5FCGO","created_at":"2026-07-05T06:02:04Z"},{"alias_kind":"pith_short_16","alias_value":"DGONO4E5FCGOEVRY","created_at":"2026-07-05T06:02:04Z"},{"alias_kind":"pith_short_8","alias_value":"DGONO4E5","created_at":"2026-07-05T06:02:04Z"}],"graph_snapshots":[{"event_id":"sha256:5c02a3088b1f34478f036cce3db2cf1d2374a5255a4385aa0ea22e148ca8cf72","target":"graph","created_at":"2026-07-05T06:02:04Z","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/2212.14313/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"In recent years, reduced basis methods (RBMs) have been adapted to the many-body eigenvalue problem and they have been used, largely in nuclear physics, as fast emulators able to bypass expensive direct computations while still providing highly accurate results. This work is meant to show that the RBM is an efficient and accurate emulator for the strong correlations induced by the pairing interaction in a variety of finite systems like ultrasmall superconducting grains, interacting topological superfluids and mesoscopic hybrid superconductor-semiconductor devices, all of which require an expen","authors_text":"Denis R. Nichita, Virgil V. Baran","cross_cats":["cond-mat.mes-hall","cond-mat.str-el","nucl-th"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2022-12-29T14:03:08Z","title":"Reduced basis emulation of pairing in finite systems"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2212.14313","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":"sha256:65dc044308a3266bf2278b992aa931c17c40180f96d3154fd60bab3f6a6a91ce","target":"record","created_at":"2026-07-05T06:02:04Z","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":"d6afecddef863e5af2d68c3a717ea1acd06f3582edb1e7d90e1c84aff44bacba","cross_cats_sorted":["cond-mat.mes-hall","cond-mat.str-el","nucl-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2022-12-29T14:03:08Z","title_canon_sha256":"b7e831d20157028e0d83bc5e0e9e5abafdc91294076d7edeb8cfdf0c9808372d"},"schema_version":"1.0","source":{"id":"2212.14313","kind":"arxiv","version":1}},"canonical_sha256":"199cd7709d288ce2563840f6c60ab39da9c4a34877b2768eb790ddd1d020f274","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"199cd7709d288ce2563840f6c60ab39da9c4a34877b2768eb790ddd1d020f274","first_computed_at":"2026-07-05T06:02:04.503370Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T06:02:04.503370Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"xVG/OgOFVISg5+X6wL9kLSoEbOUDbyC6zab/GDVzIKQSP75yergkgZBCgKQvRfpBtjVvEfzTJLyKajdhFrJmBg==","signature_status":"signed_v1","signed_at":"2026-07-05T06:02:04.503786Z","signed_message":"canonical_sha256_bytes"},"source_id":"2212.14313","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:65dc044308a3266bf2278b992aa931c17c40180f96d3154fd60bab3f6a6a91ce","sha256:5c02a3088b1f34478f036cce3db2cf1d2374a5255a4385aa0ea22e148ca8cf72"],"state_sha256":"1f83836b9f7e98adb82464383a4f7f61a39cc3429a2260ad5ce7b7461297f943"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"484BmTmazxowQ7sqNu+dBEHirlZJj1GGSES/F4qJjiD3eYKyefWUD5oNsfApnzJ85hqjFbz9Cfq0t9EKMw4vDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-09T10:11:40.863110Z","bundle_sha256":"d9b86f3d938486c2008405e3a4247165918a27597c9bca0c4bc8c94a9ace50fe"}}