{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:V47N4L2VLAQI2FETBBCPEJJW2U","short_pith_number":"pith:V47N4L2V","canonical_record":{"source":{"id":"1008.1415","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2010-08-08T18:05:52Z","cross_cats_sorted":["quant-ph"],"title_canon_sha256":"2e335081813264c60f5cb23983c801e1439e54c3f7739a12ef7767971bc4a19e","abstract_canon_sha256":"930d20bcdab05c0fbdc5d6a1280346e4a1f9133393eb04b3cff0b119721ea2e0"},"schema_version":"1.0"},"canonical_sha256":"af3ede2f5558208d14930844f22536d5305a3a9cbec105b4e1900b982936d4f7","source":{"kind":"arxiv","id":"1008.1415","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1008.1415","created_at":"2026-05-18T04:27:56Z"},{"alias_kind":"arxiv_version","alias_value":"1008.1415v3","created_at":"2026-05-18T04:27:56Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1008.1415","created_at":"2026-05-18T04:27:56Z"},{"alias_kind":"pith_short_12","alias_value":"V47N4L2VLAQI","created_at":"2026-05-18T12:26:15Z"},{"alias_kind":"pith_short_16","alias_value":"V47N4L2VLAQI2FET","created_at":"2026-05-18T12:26:15Z"},{"alias_kind":"pith_short_8","alias_value":"V47N4L2V","created_at":"2026-05-18T12:26:15Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:V47N4L2VLAQI2FETBBCPEJJW2U","target":"record","payload":{"canonical_record":{"source":{"id":"1008.1415","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2010-08-08T18:05:52Z","cross_cats_sorted":["quant-ph"],"title_canon_sha256":"2e335081813264c60f5cb23983c801e1439e54c3f7739a12ef7767971bc4a19e","abstract_canon_sha256":"930d20bcdab05c0fbdc5d6a1280346e4a1f9133393eb04b3cff0b119721ea2e0"},"schema_version":"1.0"},"canonical_sha256":"af3ede2f5558208d14930844f22536d5305a3a9cbec105b4e1900b982936d4f7","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:27:56.723716Z","signature_b64":"bEqjv1MmtOcXX/oO0DlXcaCnuBDxZBVKk5sONLX7YyB53SoMYk9rzyMbx9gQ+RTNK14+df50DTDsYSVdhyCuCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"af3ede2f5558208d14930844f22536d5305a3a9cbec105b4e1900b982936d4f7","last_reissued_at":"2026-05-18T04:27:56.723214Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:27:56.723214Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1008.1415","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T04:27:56Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"woUQHfBZKV3zv285nNV00xl8WS6PHtJ7GeUJSRyb3AdK+tFnlTLvKVxQUM4VdGFRMMMXkQZYUPfpmbrU7LsrCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-12T10:11:42.266867Z"},"content_sha256":"c6b647fc75ed34d78ca7e8ce4c3f8e44ad169a5ce69432f6771614e30afba6ed","schema_version":"1.0","event_id":"sha256:c6b647fc75ed34d78ca7e8ce4c3f8e44ad169a5ce69432f6771614e30afba6ed"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:V47N4L2VLAQI2FETBBCPEJJW2U","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"On highly accurate calculations of the excited $n^1S(L = 0)-$states in helium atoms","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["quant-ph"],"primary_cat":"physics.atom-ph","authors_text":"Alexei M. Frolov, David M. Wardlaw","submitted_at":"2010-08-08T18:05:52Z","abstract_excerpt":"The total energies and various bound state properties of the excited $2^1S(L = 0)-$states in two-electron helium atoms, including the ${}^{\\infty}$He, ${}^4$He and ${}^3$He atoms, are determined to very high numerical accuracy. The convergence of the results obtained for some electron-nuclear and electron-electron expectation values and, in particular, for the electron-nuclear and electron-electron cusp values, is discussed. The field component of the isotope shift and lowest order QED correction are estimated for the $2^1S(L = 0)-$states in the ${}^4$He and ${}^3$He atoms. We also apply our h"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1008.1415","kind":"arxiv","version":3},"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":"2026-05-18T04:27:56Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3JKBDd8HvAGE+REUDQ8j17tvL52RWAxy5bNFQLN1sMpbYKFn1BLLVAHsIHtcq7U/57AfwgDvKXj5X1u7b1pGCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-12T10:11:42.267220Z"},"content_sha256":"583335255a53b1ab2b0f85639ac5a7c16bab6226b02464cc64f8409d8ba30b1d","schema_version":"1.0","event_id":"sha256:583335255a53b1ab2b0f85639ac5a7c16bab6226b02464cc64f8409d8ba30b1d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/V47N4L2VLAQI2FETBBCPEJJW2U/bundle.json","state_url":"https://pith.science/pith/V47N4L2VLAQI2FETBBCPEJJW2U/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/V47N4L2VLAQI2FETBBCPEJJW2U/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":"2026-06-12T10:11:42Z","links":{"resolver":"https://pith.science/pith/V47N4L2VLAQI2FETBBCPEJJW2U","bundle":"https://pith.science/pith/V47N4L2VLAQI2FETBBCPEJJW2U/bundle.json","state":"https://pith.science/pith/V47N4L2VLAQI2FETBBCPEJJW2U/state.json","well_known_bundle":"https://pith.science/.well-known/pith/V47N4L2VLAQI2FETBBCPEJJW2U/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:V47N4L2VLAQI2FETBBCPEJJW2U","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":"930d20bcdab05c0fbdc5d6a1280346e4a1f9133393eb04b3cff0b119721ea2e0","cross_cats_sorted":["quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2010-08-08T18:05:52Z","title_canon_sha256":"2e335081813264c60f5cb23983c801e1439e54c3f7739a12ef7767971bc4a19e"},"schema_version":"1.0","source":{"id":"1008.1415","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1008.1415","created_at":"2026-05-18T04:27:56Z"},{"alias_kind":"arxiv_version","alias_value":"1008.1415v3","created_at":"2026-05-18T04:27:56Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1008.1415","created_at":"2026-05-18T04:27:56Z"},{"alias_kind":"pith_short_12","alias_value":"V47N4L2VLAQI","created_at":"2026-05-18T12:26:15Z"},{"alias_kind":"pith_short_16","alias_value":"V47N4L2VLAQI2FET","created_at":"2026-05-18T12:26:15Z"},{"alias_kind":"pith_short_8","alias_value":"V47N4L2V","created_at":"2026-05-18T12:26:15Z"}],"graph_snapshots":[{"event_id":"sha256:583335255a53b1ab2b0f85639ac5a7c16bab6226b02464cc64f8409d8ba30b1d","target":"graph","created_at":"2026-05-18T04:27:56Z","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":"The total energies and various bound state properties of the excited $2^1S(L = 0)-$states in two-electron helium atoms, including the ${}^{\\infty}$He, ${}^4$He and ${}^3$He atoms, are determined to very high numerical accuracy. The convergence of the results obtained for some electron-nuclear and electron-electron expectation values and, in particular, for the electron-nuclear and electron-electron cusp values, is discussed. The field component of the isotope shift and lowest order QED correction are estimated for the $2^1S(L = 0)-$states in the ${}^4$He and ${}^3$He atoms. We also apply our h","authors_text":"Alexei M. Frolov, David M. Wardlaw","cross_cats":["quant-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2010-08-08T18:05:52Z","title":"On highly accurate calculations of the excited $n^1S(L = 0)-$states in helium atoms"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1008.1415","kind":"arxiv","version":3},"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:c6b647fc75ed34d78ca7e8ce4c3f8e44ad169a5ce69432f6771614e30afba6ed","target":"record","created_at":"2026-05-18T04:27:56Z","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":"930d20bcdab05c0fbdc5d6a1280346e4a1f9133393eb04b3cff0b119721ea2e0","cross_cats_sorted":["quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2010-08-08T18:05:52Z","title_canon_sha256":"2e335081813264c60f5cb23983c801e1439e54c3f7739a12ef7767971bc4a19e"},"schema_version":"1.0","source":{"id":"1008.1415","kind":"arxiv","version":3}},"canonical_sha256":"af3ede2f5558208d14930844f22536d5305a3a9cbec105b4e1900b982936d4f7","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"af3ede2f5558208d14930844f22536d5305a3a9cbec105b4e1900b982936d4f7","first_computed_at":"2026-05-18T04:27:56.723214Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:27:56.723214Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"bEqjv1MmtOcXX/oO0DlXcaCnuBDxZBVKk5sONLX7YyB53SoMYk9rzyMbx9gQ+RTNK14+df50DTDsYSVdhyCuCA==","signature_status":"signed_v1","signed_at":"2026-05-18T04:27:56.723716Z","signed_message":"canonical_sha256_bytes"},"source_id":"1008.1415","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c6b647fc75ed34d78ca7e8ce4c3f8e44ad169a5ce69432f6771614e30afba6ed","sha256:583335255a53b1ab2b0f85639ac5a7c16bab6226b02464cc64f8409d8ba30b1d"],"state_sha256":"d9986d7c5ba4bf6f1a35bbefdee0df71354e56d9e26a17a40e7d13658705d779"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"UBwMRdWynzlWJYcRqV1teuZFA+8ZpibdGBEuK65P7ZACQvsV8cDq5qxm+w5g6Vukpba7uko646mlIA1KDEmEAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-12T10:11:42.269565Z","bundle_sha256":"8af269734d4bcf05db1179314ba5153f2f9565ad9138f63ccbb28f882af2fbb5"}}