{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:JH2JJOSSJQVROTSGCLIJAUD2UA","short_pith_number":"pith:JH2JJOSS","canonical_record":{"source":{"id":"1701.08207","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2017-01-27T22:07:39Z","cross_cats_sorted":[],"title_canon_sha256":"d2254007a3b138d820fa23d9e868d48e8b9048a4b2f59712a6dc3d520b25716a","abstract_canon_sha256":"7511f50546df8312b94bcc46e1c9a65e4f3276ac98eaef29f4dc40657c4d48da"},"schema_version":"1.0"},"canonical_sha256":"49f494ba524c2b174e4612d090507aa00475554045e9c3ab3b24b6b5195a7342","source":{"kind":"arxiv","id":"1701.08207","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1701.08207","created_at":"2026-05-18T00:45:58Z"},{"alias_kind":"arxiv_version","alias_value":"1701.08207v2","created_at":"2026-05-18T00:45:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1701.08207","created_at":"2026-05-18T00:45:58Z"},{"alias_kind":"pith_short_12","alias_value":"JH2JJOSSJQVR","created_at":"2026-05-18T12:31:24Z"},{"alias_kind":"pith_short_16","alias_value":"JH2JJOSSJQVROTSG","created_at":"2026-05-18T12:31:24Z"},{"alias_kind":"pith_short_8","alias_value":"JH2JJOSS","created_at":"2026-05-18T12:31:24Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:JH2JJOSSJQVROTSGCLIJAUD2UA","target":"record","payload":{"canonical_record":{"source":{"id":"1701.08207","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2017-01-27T22:07:39Z","cross_cats_sorted":[],"title_canon_sha256":"d2254007a3b138d820fa23d9e868d48e8b9048a4b2f59712a6dc3d520b25716a","abstract_canon_sha256":"7511f50546df8312b94bcc46e1c9a65e4f3276ac98eaef29f4dc40657c4d48da"},"schema_version":"1.0"},"canonical_sha256":"49f494ba524c2b174e4612d090507aa00475554045e9c3ab3b24b6b5195a7342","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:45:58.286273Z","signature_b64":"Z5BaCLupz+h3BGLr7YIeaoGLN1ORVwy1UTzn3UqXs5qr2AVzXBj+xiL1cRmr/s2uM9NfBV5qABPAZP7CI1JfBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"49f494ba524c2b174e4612d090507aa00475554045e9c3ab3b24b6b5195a7342","last_reissued_at":"2026-05-18T00:45:58.285844Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:45:58.285844Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1701.08207","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:45:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"WlvSPLt4l5glnvYWXuuNeCEwz88p8LnhIaJ3SEnEl72wVg2wSwrbX3ni3rMQ5pxGWVnVYVCCz7OeinHT6CtTAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T08:57:48.127301Z"},"content_sha256":"80bdd15eb5fa61f1475a39ef925bbf21beb2870b2a4f1aea181c968e0b7a4317","schema_version":"1.0","event_id":"sha256:80bdd15eb5fa61f1475a39ef925bbf21beb2870b2a4f1aea181c968e0b7a4317"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:JH2JJOSSJQVROTSGCLIJAUD2UA","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Benchmark calculations for electron-impact excitation of Mg$^{4+}$","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.atom-ph","authors_text":"K. Bartschat, K. Wang, L. Fern\\'andez-Menchero, O. Zatsarinny","submitted_at":"2017-01-27T22:07:39Z","abstract_excerpt":"There are major discrepancies between recent B-spline R-matrix (BSR) and Dirac Atomic R-matrix Code (DARC) calculations regarding electron-impact excitation rates for transitions in Mg$^{4+}$, with claims that the DARC calculations are much more accurate. To identify possible reasons for these discrepancies and to estimate the accuracy of the various results, we carried out independent BSR calculations with the same 86 target states as in the previous calculations, but with a different and more accurate representation of the target structure. We find close agreement with the previous BSR resul"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1701.08207","kind":"arxiv","version":2},"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":"2026-05-18T00:45:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lxGnyjiv15ZU/eQ7NxNjkL4+okffi7Dc9xYYnM6+xFqFA7yeeabOipNUFgN3z6477tJelOCOyugitQSfXxdTBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T08:57:48.127905Z"},"content_sha256":"2276db4093b4f7577679b8a61be4a03cc996a534511d76f8cfc9dee5469d339e","schema_version":"1.0","event_id":"sha256:2276db4093b4f7577679b8a61be4a03cc996a534511d76f8cfc9dee5469d339e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/JH2JJOSSJQVROTSGCLIJAUD2UA/bundle.json","state_url":"https://pith.science/pith/JH2JJOSSJQVROTSGCLIJAUD2UA/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/JH2JJOSSJQVROTSGCLIJAUD2UA/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":"2026-05-30T08:57:48Z","links":{"resolver":"https://pith.science/pith/JH2JJOSSJQVROTSGCLIJAUD2UA","bundle":"https://pith.science/pith/JH2JJOSSJQVROTSGCLIJAUD2UA/bundle.json","state":"https://pith.science/pith/JH2JJOSSJQVROTSGCLIJAUD2UA/state.json","well_known_bundle":"https://pith.science/.well-known/pith/JH2JJOSSJQVROTSGCLIJAUD2UA/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:JH2JJOSSJQVROTSGCLIJAUD2UA","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":"7511f50546df8312b94bcc46e1c9a65e4f3276ac98eaef29f4dc40657c4d48da","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2017-01-27T22:07:39Z","title_canon_sha256":"d2254007a3b138d820fa23d9e868d48e8b9048a4b2f59712a6dc3d520b25716a"},"schema_version":"1.0","source":{"id":"1701.08207","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1701.08207","created_at":"2026-05-18T00:45:58Z"},{"alias_kind":"arxiv_version","alias_value":"1701.08207v2","created_at":"2026-05-18T00:45:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1701.08207","created_at":"2026-05-18T00:45:58Z"},{"alias_kind":"pith_short_12","alias_value":"JH2JJOSSJQVR","created_at":"2026-05-18T12:31:24Z"},{"alias_kind":"pith_short_16","alias_value":"JH2JJOSSJQVROTSG","created_at":"2026-05-18T12:31:24Z"},{"alias_kind":"pith_short_8","alias_value":"JH2JJOSS","created_at":"2026-05-18T12:31:24Z"}],"graph_snapshots":[{"event_id":"sha256:2276db4093b4f7577679b8a61be4a03cc996a534511d76f8cfc9dee5469d339e","target":"graph","created_at":"2026-05-18T00:45:58Z","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":"There are major discrepancies between recent B-spline R-matrix (BSR) and Dirac Atomic R-matrix Code (DARC) calculations regarding electron-impact excitation rates for transitions in Mg$^{4+}$, with claims that the DARC calculations are much more accurate. To identify possible reasons for these discrepancies and to estimate the accuracy of the various results, we carried out independent BSR calculations with the same 86 target states as in the previous calculations, but with a different and more accurate representation of the target structure. We find close agreement with the previous BSR resul","authors_text":"K. Bartschat, K. Wang, L. Fern\\'andez-Menchero, O. Zatsarinny","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2017-01-27T22:07:39Z","title":"Benchmark calculations for electron-impact excitation of Mg$^{4+}$"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1701.08207","kind":"arxiv","version":2},"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":"sha256:80bdd15eb5fa61f1475a39ef925bbf21beb2870b2a4f1aea181c968e0b7a4317","target":"record","created_at":"2026-05-18T00:45:58Z","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":"7511f50546df8312b94bcc46e1c9a65e4f3276ac98eaef29f4dc40657c4d48da","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2017-01-27T22:07:39Z","title_canon_sha256":"d2254007a3b138d820fa23d9e868d48e8b9048a4b2f59712a6dc3d520b25716a"},"schema_version":"1.0","source":{"id":"1701.08207","kind":"arxiv","version":2}},"canonical_sha256":"49f494ba524c2b174e4612d090507aa00475554045e9c3ab3b24b6b5195a7342","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"49f494ba524c2b174e4612d090507aa00475554045e9c3ab3b24b6b5195a7342","first_computed_at":"2026-05-18T00:45:58.285844Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:45:58.285844Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Z5BaCLupz+h3BGLr7YIeaoGLN1ORVwy1UTzn3UqXs5qr2AVzXBj+xiL1cRmr/s2uM9NfBV5qABPAZP7CI1JfBg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:45:58.286273Z","signed_message":"canonical_sha256_bytes"},"source_id":"1701.08207","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:80bdd15eb5fa61f1475a39ef925bbf21beb2870b2a4f1aea181c968e0b7a4317","sha256:2276db4093b4f7577679b8a61be4a03cc996a534511d76f8cfc9dee5469d339e"],"state_sha256":"b8f8bf254bd1da87105004161872a129b89ee32e1b7d4b3d50c2d50297cf7b0a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gGlHDvQSgUWIrt0rlrgTIF0U82GE1sqQ7BFvYLzynwDGvm7gc3K73XwTNMiNuRr9NB3Ammy7z5GCmkK9NQocDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T08:57:48.130429Z","bundle_sha256":"bce09e52232193b82a674ee64114f380e6e5066565192fdb163b0ee2ca4ba7f4"}}