{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:UPSUZ2BUWXXM447MYKJEOHSXZ7","short_pith_number":"pith:UPSUZ2BU","canonical_record":{"source":{"id":"1305.3963","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.chem-ph","submitted_at":"2013-05-17T02:13:41Z","cross_cats_sorted":["quant-ph"],"title_canon_sha256":"72bfe80bcc08fcb1f207cd4ef8387e1bf2eb95d32f5aa06bbe1468a76248ccba","abstract_canon_sha256":"b649ba384333b10a1e227276201212acfa98d946e17557cb7ddb555febf89a6d"},"schema_version":"1.0"},"canonical_sha256":"a3e54ce834b5eece73ecc292471e57cfd9f31f3aa689c2621c9ed23b6d2dc4ee","source":{"kind":"arxiv","id":"1305.3963","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1305.3963","created_at":"2026-05-18T03:02:46Z"},{"alias_kind":"arxiv_version","alias_value":"1305.3963v1","created_at":"2026-05-18T03:02:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1305.3963","created_at":"2026-05-18T03:02:46Z"},{"alias_kind":"pith_short_12","alias_value":"UPSUZ2BUWXXM","created_at":"2026-05-18T12:28:02Z"},{"alias_kind":"pith_short_16","alias_value":"UPSUZ2BUWXXM447M","created_at":"2026-05-18T12:28:02Z"},{"alias_kind":"pith_short_8","alias_value":"UPSUZ2BU","created_at":"2026-05-18T12:28:02Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:UPSUZ2BUWXXM447MYKJEOHSXZ7","target":"record","payload":{"canonical_record":{"source":{"id":"1305.3963","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.chem-ph","submitted_at":"2013-05-17T02:13:41Z","cross_cats_sorted":["quant-ph"],"title_canon_sha256":"72bfe80bcc08fcb1f207cd4ef8387e1bf2eb95d32f5aa06bbe1468a76248ccba","abstract_canon_sha256":"b649ba384333b10a1e227276201212acfa98d946e17557cb7ddb555febf89a6d"},"schema_version":"1.0"},"canonical_sha256":"a3e54ce834b5eece73ecc292471e57cfd9f31f3aa689c2621c9ed23b6d2dc4ee","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:02:46.991689Z","signature_b64":"3wZlS5zzDzfzUXMpWMdtEQZHaCEDv1AzK9CEzNUVYI+q8rYniiUameI3V4I7n8xZMXQrza9ii7UdC1YoSOZ6Aw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a3e54ce834b5eece73ecc292471e57cfd9f31f3aa689c2621c9ed23b6d2dc4ee","last_reissued_at":"2026-05-18T03:02:46.990894Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:02:46.990894Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1305.3963","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":"2026-05-18T03:02:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"e0r8BobJOGJBueZMgGzfOwZRugA19Oi9fFHeNRKF/AfgxIskHk4TZ/bWJlI5IAJeY5C3WLNpCjFejk+4s0FCDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T23:22:19.626394Z"},"content_sha256":"3917725fd953ccf308332e0101c7544400088534445729ac369f4c2c8ef609b8","schema_version":"1.0","event_id":"sha256:3917725fd953ccf308332e0101c7544400088534445729ac369f4c2c8ef609b8"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:UPSUZ2BUWXXM447MYKJEOHSXZ7","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Parity violation in nuclear magnetic resonance frequencies of chiral tetrahedral tungsten complexes NWXYZ (X, Y, Z = H, F, Cl, Br or I)","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["quant-ph"],"primary_cat":"physics.chem-ph","authors_text":"Peter Schwerdtfeger, Robert Berger, Sophie Nahrwold","submitted_at":"2013-05-17T02:13:41Z","abstract_excerpt":"Density functional theory within the two-component quasi-relativistic zeroth-order regular approximation (ZORA) is used to predict parity violation shifts in 183W nuclear magnetic resonance shielding tensors of chiral, tetrahedrally bonded tungsten complexes of the form NWXYZ (X, Y, Z = H, F, Cl, Br or I). The calculations reveal that sub-mHz accuracy is required to detect such tiny effects in this class of compounds, and that parity violation effects are very sensitive to the choice of ligands."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1305.3963","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":""},"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":"2026-05-18T03:02:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HcJCRfneOmPrrjiIrkaeEqUiSuACSXBmqCYCztbYgZtU+yhoG0NiY+6wM4l/jtOWz8ddbx+Cglb6dr6XPrFnCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T23:22:19.626754Z"},"content_sha256":"90d84721488812041bf358df750088c1d1b9d4d81ee5a0e52132fee6ed9f7023","schema_version":"1.0","event_id":"sha256:90d84721488812041bf358df750088c1d1b9d4d81ee5a0e52132fee6ed9f7023"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/UPSUZ2BUWXXM447MYKJEOHSXZ7/bundle.json","state_url":"https://pith.science/pith/UPSUZ2BUWXXM447MYKJEOHSXZ7/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/UPSUZ2BUWXXM447MYKJEOHSXZ7/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":"2026-05-27T23:22:19Z","links":{"resolver":"https://pith.science/pith/UPSUZ2BUWXXM447MYKJEOHSXZ7","bundle":"https://pith.science/pith/UPSUZ2BUWXXM447MYKJEOHSXZ7/bundle.json","state":"https://pith.science/pith/UPSUZ2BUWXXM447MYKJEOHSXZ7/state.json","well_known_bundle":"https://pith.science/.well-known/pith/UPSUZ2BUWXXM447MYKJEOHSXZ7/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:UPSUZ2BUWXXM447MYKJEOHSXZ7","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":"b649ba384333b10a1e227276201212acfa98d946e17557cb7ddb555febf89a6d","cross_cats_sorted":["quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.chem-ph","submitted_at":"2013-05-17T02:13:41Z","title_canon_sha256":"72bfe80bcc08fcb1f207cd4ef8387e1bf2eb95d32f5aa06bbe1468a76248ccba"},"schema_version":"1.0","source":{"id":"1305.3963","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1305.3963","created_at":"2026-05-18T03:02:46Z"},{"alias_kind":"arxiv_version","alias_value":"1305.3963v1","created_at":"2026-05-18T03:02:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1305.3963","created_at":"2026-05-18T03:02:46Z"},{"alias_kind":"pith_short_12","alias_value":"UPSUZ2BUWXXM","created_at":"2026-05-18T12:28:02Z"},{"alias_kind":"pith_short_16","alias_value":"UPSUZ2BUWXXM447M","created_at":"2026-05-18T12:28:02Z"},{"alias_kind":"pith_short_8","alias_value":"UPSUZ2BU","created_at":"2026-05-18T12:28:02Z"}],"graph_snapshots":[{"event_id":"sha256:90d84721488812041bf358df750088c1d1b9d4d81ee5a0e52132fee6ed9f7023","target":"graph","created_at":"2026-05-18T03:02:46Z","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"},"paper":{"abstract_excerpt":"Density functional theory within the two-component quasi-relativistic zeroth-order regular approximation (ZORA) is used to predict parity violation shifts in 183W nuclear magnetic resonance shielding tensors of chiral, tetrahedrally bonded tungsten complexes of the form NWXYZ (X, Y, Z = H, F, Cl, Br or I). The calculations reveal that sub-mHz accuracy is required to detect such tiny effects in this class of compounds, and that parity violation effects are very sensitive to the choice of ligands.","authors_text":"Peter Schwerdtfeger, Robert Berger, Sophie Nahrwold","cross_cats":["quant-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.chem-ph","submitted_at":"2013-05-17T02:13:41Z","title":"Parity violation in nuclear magnetic resonance frequencies of chiral tetrahedral tungsten complexes NWXYZ (X, Y, Z = H, F, Cl, Br or I)"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1305.3963","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":"sha256:3917725fd953ccf308332e0101c7544400088534445729ac369f4c2c8ef609b8","target":"record","created_at":"2026-05-18T03:02:46Z","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":"b649ba384333b10a1e227276201212acfa98d946e17557cb7ddb555febf89a6d","cross_cats_sorted":["quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.chem-ph","submitted_at":"2013-05-17T02:13:41Z","title_canon_sha256":"72bfe80bcc08fcb1f207cd4ef8387e1bf2eb95d32f5aa06bbe1468a76248ccba"},"schema_version":"1.0","source":{"id":"1305.3963","kind":"arxiv","version":1}},"canonical_sha256":"a3e54ce834b5eece73ecc292471e57cfd9f31f3aa689c2621c9ed23b6d2dc4ee","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a3e54ce834b5eece73ecc292471e57cfd9f31f3aa689c2621c9ed23b6d2dc4ee","first_computed_at":"2026-05-18T03:02:46.990894Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:02:46.990894Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"3wZlS5zzDzfzUXMpWMdtEQZHaCEDv1AzK9CEzNUVYI+q8rYniiUameI3V4I7n8xZMXQrza9ii7UdC1YoSOZ6Aw==","signature_status":"signed_v1","signed_at":"2026-05-18T03:02:46.991689Z","signed_message":"canonical_sha256_bytes"},"source_id":"1305.3963","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:3917725fd953ccf308332e0101c7544400088534445729ac369f4c2c8ef609b8","sha256:90d84721488812041bf358df750088c1d1b9d4d81ee5a0e52132fee6ed9f7023"],"state_sha256":"8bfb7306027acb99e0dce6e01d454b26a74a81282026d6b557a00b7487b0bf63"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"daXMoltDG1eHwiU5lVtLUJXG/Vp3uxBH0Sbm9t8b7DoloPdFhlfUb4tNZ0cTC/zEmojbQ4szmYGGT+DGfQ5RCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T23:22:19.628975Z","bundle_sha256":"4e5f3cfcb473bbaa6f7ba75cc3622adca357b77f4f322fe504d3eac0985a925e"}}