{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:QDQBWEVZ4ZCUN5MW3W4YTAN3GV","short_pith_number":"pith:QDQBWEVZ","canonical_record":{"source":{"id":"2201.11979","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.chem-ph","submitted_at":"2022-01-28T08:16:26Z","cross_cats_sorted":[],"title_canon_sha256":"d77d1b8559a69a46643fed5af5b460a01f6ab62ea2b006b6896e293dca9e2c22","abstract_canon_sha256":"504c1ee2da36ebceaefa67c08125822252d21878116dc51996d32b5cea081ecb"},"schema_version":"1.0"},"canonical_sha256":"80e01b12b9e64546f596ddb98981bb357a846fd28544219b544d0feaf1d643da","source":{"kind":"arxiv","id":"2201.11979","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2201.11979","created_at":"2026-07-05T03:52:19Z"},{"alias_kind":"arxiv_version","alias_value":"2201.11979v1","created_at":"2026-07-05T03:52:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2201.11979","created_at":"2026-07-05T03:52:19Z"},{"alias_kind":"pith_short_12","alias_value":"QDQBWEVZ4ZCU","created_at":"2026-07-05T03:52:19Z"},{"alias_kind":"pith_short_16","alias_value":"QDQBWEVZ4ZCUN5MW","created_at":"2026-07-05T03:52:19Z"},{"alias_kind":"pith_short_8","alias_value":"QDQBWEVZ","created_at":"2026-07-05T03:52:19Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:QDQBWEVZ4ZCUN5MW3W4YTAN3GV","target":"record","payload":{"canonical_record":{"source":{"id":"2201.11979","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.chem-ph","submitted_at":"2022-01-28T08:16:26Z","cross_cats_sorted":[],"title_canon_sha256":"d77d1b8559a69a46643fed5af5b460a01f6ab62ea2b006b6896e293dca9e2c22","abstract_canon_sha256":"504c1ee2da36ebceaefa67c08125822252d21878116dc51996d32b5cea081ecb"},"schema_version":"1.0"},"canonical_sha256":"80e01b12b9e64546f596ddb98981bb357a846fd28544219b544d0feaf1d643da","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T03:52:19.164891Z","signature_b64":"IGuLfOatuky7xiw5pN2FnApmnk3YcHCQ8lbkmiilrrCiWXU430I7ABUGU43Cy3WKaY5AS716izV+I6fJNDzmBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"80e01b12b9e64546f596ddb98981bb357a846fd28544219b544d0feaf1d643da","last_reissued_at":"2026-07-05T03:52:19.164425Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T03:52:19.164425Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2201.11979","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":"2026-07-05T03:52:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fiNXoekZ/8d4Dt5D/cArrxcvhNLvzBetxpDBf+8j96XNNa6vru04qty6EvJb+oTDG/N4aZIL2CYgeqNVzYL3DQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-07T01:31:35.660806Z"},"content_sha256":"f6c57c862e225bd3d5d0386b125c0c0d989890c991ccd2a387fa2dee7a51f689","schema_version":"1.0","event_id":"sha256:f6c57c862e225bd3d5d0386b125c0c0d989890c991ccd2a387fa2dee7a51f689"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:QDQBWEVZ4ZCUN5MW3W4YTAN3GV","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Using hyper-optimized tensor networks and first-principles electronic structure to simulate experimental properties of the giant {Mn84} torus","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.chem-ph","authors_text":"Ashlyn R. Hale, Chenghan Li, Dian-Teng Chen, Garnet Kin-Lic Chan, George Christou, Hai-Ping Cheng, Johnnie Gray, Minseong Lee, Phillip Helms, Vivien S. Zapf","submitted_at":"2022-01-28T08:16:26Z","abstract_excerpt":"The single-molecule magnet {Mn84} is a challenge to theory due to its high nuclearity. Building on our prior work which characterized the structure of the spectrum of this magnet, we directly compute two experimentally accessible observables, the field-dependent magnetization up to 75 T and the temperature-dependent heat capacity, using parameter free theory. In particular, we use first principles calculations to derive short- and long-range exchange interactions, while we compute the exact partition function of the resulting classical Potts and Ising spin models for all 84 Mn $S=2$ spins to o"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2201.11979","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/2201.11979/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":"2026-07-05T03:52:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Potd5sTUEzJaCvz1F0pWAoE5WmTDI/XfamtJQ1IV76Hj1xKJKvTS384nT20/FEnnnX2vLzWreUKX3IvvvRzwCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-07T01:31:35.661320Z"},"content_sha256":"de3b29217cb9f84cb17a514c940799e1a532e12fd47dcd74b07c36c8942596aa","schema_version":"1.0","event_id":"sha256:de3b29217cb9f84cb17a514c940799e1a532e12fd47dcd74b07c36c8942596aa"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/QDQBWEVZ4ZCUN5MW3W4YTAN3GV/bundle.json","state_url":"https://pith.science/pith/QDQBWEVZ4ZCUN5MW3W4YTAN3GV/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/QDQBWEVZ4ZCUN5MW3W4YTAN3GV/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":"2026-08-07T01:31:35Z","links":{"resolver":"https://pith.science/pith/QDQBWEVZ4ZCUN5MW3W4YTAN3GV","bundle":"https://pith.science/pith/QDQBWEVZ4ZCUN5MW3W4YTAN3GV/bundle.json","state":"https://pith.science/pith/QDQBWEVZ4ZCUN5MW3W4YTAN3GV/state.json","well_known_bundle":"https://pith.science/.well-known/pith/QDQBWEVZ4ZCUN5MW3W4YTAN3GV/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:QDQBWEVZ4ZCUN5MW3W4YTAN3GV","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":"504c1ee2da36ebceaefa67c08125822252d21878116dc51996d32b5cea081ecb","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.chem-ph","submitted_at":"2022-01-28T08:16:26Z","title_canon_sha256":"d77d1b8559a69a46643fed5af5b460a01f6ab62ea2b006b6896e293dca9e2c22"},"schema_version":"1.0","source":{"id":"2201.11979","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2201.11979","created_at":"2026-07-05T03:52:19Z"},{"alias_kind":"arxiv_version","alias_value":"2201.11979v1","created_at":"2026-07-05T03:52:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2201.11979","created_at":"2026-07-05T03:52:19Z"},{"alias_kind":"pith_short_12","alias_value":"QDQBWEVZ4ZCU","created_at":"2026-07-05T03:52:19Z"},{"alias_kind":"pith_short_16","alias_value":"QDQBWEVZ4ZCUN5MW","created_at":"2026-07-05T03:52:19Z"},{"alias_kind":"pith_short_8","alias_value":"QDQBWEVZ","created_at":"2026-07-05T03:52:19Z"}],"graph_snapshots":[{"event_id":"sha256:de3b29217cb9f84cb17a514c940799e1a532e12fd47dcd74b07c36c8942596aa","target":"graph","created_at":"2026-07-05T03:52:19Z","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/2201.11979/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The single-molecule magnet {Mn84} is a challenge to theory due to its high nuclearity. Building on our prior work which characterized the structure of the spectrum of this magnet, we directly compute two experimentally accessible observables, the field-dependent magnetization up to 75 T and the temperature-dependent heat capacity, using parameter free theory. In particular, we use first principles calculations to derive short- and long-range exchange interactions, while we compute the exact partition function of the resulting classical Potts and Ising spin models for all 84 Mn $S=2$ spins to o","authors_text":"Ashlyn R. Hale, Chenghan Li, Dian-Teng Chen, Garnet Kin-Lic Chan, George Christou, Hai-Ping Cheng, Johnnie Gray, Minseong Lee, Phillip Helms, Vivien S. Zapf","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.chem-ph","submitted_at":"2022-01-28T08:16:26Z","title":"Using hyper-optimized tensor networks and first-principles electronic structure to simulate experimental properties of the giant {Mn84} torus"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2201.11979","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:f6c57c862e225bd3d5d0386b125c0c0d989890c991ccd2a387fa2dee7a51f689","target":"record","created_at":"2026-07-05T03:52:19Z","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":"504c1ee2da36ebceaefa67c08125822252d21878116dc51996d32b5cea081ecb","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.chem-ph","submitted_at":"2022-01-28T08:16:26Z","title_canon_sha256":"d77d1b8559a69a46643fed5af5b460a01f6ab62ea2b006b6896e293dca9e2c22"},"schema_version":"1.0","source":{"id":"2201.11979","kind":"arxiv","version":1}},"canonical_sha256":"80e01b12b9e64546f596ddb98981bb357a846fd28544219b544d0feaf1d643da","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"80e01b12b9e64546f596ddb98981bb357a846fd28544219b544d0feaf1d643da","first_computed_at":"2026-07-05T03:52:19.164425Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T03:52:19.164425Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"IGuLfOatuky7xiw5pN2FnApmnk3YcHCQ8lbkmiilrrCiWXU430I7ABUGU43Cy3WKaY5AS716izV+I6fJNDzmBA==","signature_status":"signed_v1","signed_at":"2026-07-05T03:52:19.164891Z","signed_message":"canonical_sha256_bytes"},"source_id":"2201.11979","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f6c57c862e225bd3d5d0386b125c0c0d989890c991ccd2a387fa2dee7a51f689","sha256:de3b29217cb9f84cb17a514c940799e1a532e12fd47dcd74b07c36c8942596aa"],"state_sha256":"6eb8a852e100d31ea0dfed3b2387af07dafe6955b04ff091f4a472edaa4a1181"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"J9KOBYKxZk28xwQhEmzul+KnmdSsNdQZNBb7Wh6qzzAczJxmdUaSkOMvxT8BacNXbEkqxfzbLlaWSjH6bQosBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-07T01:31:35.666304Z","bundle_sha256":"475750043139b7bda830a842086514c9f6bd6352766d391c8065b6667fad719c"}}