{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:CX7RZGU4XLZRMP4D37FQMLUYKL","short_pith_number":"pith:CX7RZGU4","canonical_record":{"source":{"id":"1806.09165","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2018-06-24T15:34:29Z","cross_cats_sorted":[],"title_canon_sha256":"c4582cc55dbeab4c9df3dd4f53de542003bf929b72f882b50069f07fdd64857d","abstract_canon_sha256":"180b605855e7b56e197e43664537aee4fc07b4eb09ee8fbcecdf6a2296defa28"},"schema_version":"1.0"},"canonical_sha256":"15ff1c9a9cbaf3163f83dfcb062e9852c5f0c46606d06f162875e3c19f9b59a3","source":{"kind":"arxiv","id":"1806.09165","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1806.09165","created_at":"2026-05-17T23:40:41Z"},{"alias_kind":"arxiv_version","alias_value":"1806.09165v1","created_at":"2026-05-17T23:40:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1806.09165","created_at":"2026-05-17T23:40:41Z"},{"alias_kind":"pith_short_12","alias_value":"CX7RZGU4XLZR","created_at":"2026-05-18T12:32:19Z"},{"alias_kind":"pith_short_16","alias_value":"CX7RZGU4XLZRMP4D","created_at":"2026-05-18T12:32:19Z"},{"alias_kind":"pith_short_8","alias_value":"CX7RZGU4","created_at":"2026-05-18T12:32:19Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:CX7RZGU4XLZRMP4D37FQMLUYKL","target":"record","payload":{"canonical_record":{"source":{"id":"1806.09165","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2018-06-24T15:34:29Z","cross_cats_sorted":[],"title_canon_sha256":"c4582cc55dbeab4c9df3dd4f53de542003bf929b72f882b50069f07fdd64857d","abstract_canon_sha256":"180b605855e7b56e197e43664537aee4fc07b4eb09ee8fbcecdf6a2296defa28"},"schema_version":"1.0"},"canonical_sha256":"15ff1c9a9cbaf3163f83dfcb062e9852c5f0c46606d06f162875e3c19f9b59a3","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:40:41.734975Z","signature_b64":"Yn4fYxBcMZO1ABBKL7lcbzYmZZ2Kqw8ERN4Fx0aRy28TTwD+BFE/y75GtJXRnT0BYfzEtVTVUj/xoBTvUv1CAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"15ff1c9a9cbaf3163f83dfcb062e9852c5f0c46606d06f162875e3c19f9b59a3","last_reissued_at":"2026-05-17T23:40:41.734449Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:40:41.734449Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1806.09165","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":"2026-05-17T23:40:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6sJ8qSvyPMomzTHNsfEAbzavSoyTHaiySEzwGw4ta+bA94hJZoUJrO4uW+bbP9oPC3Y1ddomTFy06J6HmKxRBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-15T17:42:42.644457Z"},"content_sha256":"8a48d03c52e69eceb87b70c209f5d94935f8387920ad3e663839a1caba115862","schema_version":"1.0","event_id":"sha256:8a48d03c52e69eceb87b70c209f5d94935f8387920ad3e663839a1caba115862"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:CX7RZGU4XLZRMP4D37FQMLUYKL","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"{\\it Ab initio} perturbation calculations of realistic effective interactions in the Hartree--Fock basis","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"nucl-th","authors_text":"B.S. Hu, F.R. Xu, J.G. Li, Q. Wu","submitted_at":"2018-06-24T15:34:29Z","abstract_excerpt":"We perform two types of {\\it ab initio} perturbation calculations of effective interactions in the Hartree--Fock (HF) basis instead of the harmonic-oscillator basis: one is called the Brillouin--Wigner (BW) perturbation and another is called the Rayleigh--Schr\\\"odinger (RS) perturbation. It is shown that the HF basis provides good convergences. We also benchmark the perturbation calculations with the in-medium similarity renormalization group (IM-SRG) which is a nonperturbative method. In the HF basis some-type perturbation diagrams can be cancelled out, while the cancellation does not happen "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1806.09165","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":"2026-05-17T23:40:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"o4s7stfsasVwOUelq0SkQfQt6+q+EIUMWb2ur6QvucLjo73qVg++FmL0APikgHui5ozBHEdamO6wz63YyaeiBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-15T17:42:42.644922Z"},"content_sha256":"c86158af061cadaf95781b7cc2613314d139fda8ca9ff8ad79c135c9619ee4c7","schema_version":"1.0","event_id":"sha256:c86158af061cadaf95781b7cc2613314d139fda8ca9ff8ad79c135c9619ee4c7"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/CX7RZGU4XLZRMP4D37FQMLUYKL/bundle.json","state_url":"https://pith.science/pith/CX7RZGU4XLZRMP4D37FQMLUYKL/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/CX7RZGU4XLZRMP4D37FQMLUYKL/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":"2026-08-15T17:42:42Z","links":{"resolver":"https://pith.science/pith/CX7RZGU4XLZRMP4D37FQMLUYKL","bundle":"https://pith.science/pith/CX7RZGU4XLZRMP4D37FQMLUYKL/bundle.json","state":"https://pith.science/pith/CX7RZGU4XLZRMP4D37FQMLUYKL/state.json","well_known_bundle":"https://pith.science/.well-known/pith/CX7RZGU4XLZRMP4D37FQMLUYKL/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:CX7RZGU4XLZRMP4D37FQMLUYKL","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":"180b605855e7b56e197e43664537aee4fc07b4eb09ee8fbcecdf6a2296defa28","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2018-06-24T15:34:29Z","title_canon_sha256":"c4582cc55dbeab4c9df3dd4f53de542003bf929b72f882b50069f07fdd64857d"},"schema_version":"1.0","source":{"id":"1806.09165","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1806.09165","created_at":"2026-05-17T23:40:41Z"},{"alias_kind":"arxiv_version","alias_value":"1806.09165v1","created_at":"2026-05-17T23:40:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1806.09165","created_at":"2026-05-17T23:40:41Z"},{"alias_kind":"pith_short_12","alias_value":"CX7RZGU4XLZR","created_at":"2026-05-18T12:32:19Z"},{"alias_kind":"pith_short_16","alias_value":"CX7RZGU4XLZRMP4D","created_at":"2026-05-18T12:32:19Z"},{"alias_kind":"pith_short_8","alias_value":"CX7RZGU4","created_at":"2026-05-18T12:32:19Z"}],"graph_snapshots":[{"event_id":"sha256:c86158af061cadaf95781b7cc2613314d139fda8ca9ff8ad79c135c9619ee4c7","target":"graph","created_at":"2026-05-17T23:40:41Z","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":"We perform two types of {\\it ab initio} perturbation calculations of effective interactions in the Hartree--Fock (HF) basis instead of the harmonic-oscillator basis: one is called the Brillouin--Wigner (BW) perturbation and another is called the Rayleigh--Schr\\\"odinger (RS) perturbation. It is shown that the HF basis provides good convergences. We also benchmark the perturbation calculations with the in-medium similarity renormalization group (IM-SRG) which is a nonperturbative method. In the HF basis some-type perturbation diagrams can be cancelled out, while the cancellation does not happen ","authors_text":"B.S. Hu, F.R. Xu, J.G. Li, Q. Wu","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2018-06-24T15:34:29Z","title":"{\\it Ab initio} perturbation calculations of realistic effective interactions in the Hartree--Fock basis"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1806.09165","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":"sha256:8a48d03c52e69eceb87b70c209f5d94935f8387920ad3e663839a1caba115862","target":"record","created_at":"2026-05-17T23:40:41Z","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":"180b605855e7b56e197e43664537aee4fc07b4eb09ee8fbcecdf6a2296defa28","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2018-06-24T15:34:29Z","title_canon_sha256":"c4582cc55dbeab4c9df3dd4f53de542003bf929b72f882b50069f07fdd64857d"},"schema_version":"1.0","source":{"id":"1806.09165","kind":"arxiv","version":1}},"canonical_sha256":"15ff1c9a9cbaf3163f83dfcb062e9852c5f0c46606d06f162875e3c19f9b59a3","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"15ff1c9a9cbaf3163f83dfcb062e9852c5f0c46606d06f162875e3c19f9b59a3","first_computed_at":"2026-05-17T23:40:41.734449Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:40:41.734449Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Yn4fYxBcMZO1ABBKL7lcbzYmZZ2Kqw8ERN4Fx0aRy28TTwD+BFE/y75GtJXRnT0BYfzEtVTVUj/xoBTvUv1CAg==","signature_status":"signed_v1","signed_at":"2026-05-17T23:40:41.734975Z","signed_message":"canonical_sha256_bytes"},"source_id":"1806.09165","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8a48d03c52e69eceb87b70c209f5d94935f8387920ad3e663839a1caba115862","sha256:c86158af061cadaf95781b7cc2613314d139fda8ca9ff8ad79c135c9619ee4c7"],"state_sha256":"e312cd3789581639a0e866f929f5909112572f575244c67102e66a6128d2ea9e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"R1aAFznOtXuZ1gWIDdc0n6JViI9L0aNi/A1jEMZe5hqapeM/vO2DXjeAU6BOsuhslKg3aAOsRLhtgzLzntT2AQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-15T17:42:42.649571Z","bundle_sha256":"ea4eaa5254cfd5930313fbaa01f8a3036e7bcef1a6ad08c77092043f35f9b12b"}}