{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:N3XSEQMYIHSR4JMIVK4GBOEQDJ","short_pith_number":"pith:N3XSEQMY","canonical_record":{"source":{"id":"1905.02055","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2019-05-06T14:10:19Z","cross_cats_sorted":["nucl-ex"],"title_canon_sha256":"1041ea590eaf1daa75a97e960d010622710e251c6fea993125eeeaad35f9ead8","abstract_canon_sha256":"3891d6e4c57c3612efa2b25aac402c32ae2accf7f9f58eb2c9ba0d2346551810"},"schema_version":"1.0"},"canonical_sha256":"6eef22419841e51e2588aab860b8901a459dbeff3b4bec48271695e29e52390d","source":{"kind":"arxiv","id":"1905.02055","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1905.02055","created_at":"2026-05-17T23:45:57Z"},{"alias_kind":"arxiv_version","alias_value":"1905.02055v1","created_at":"2026-05-17T23:45:57Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1905.02055","created_at":"2026-05-17T23:45:57Z"},{"alias_kind":"pith_short_12","alias_value":"N3XSEQMYIHSR","created_at":"2026-05-18T12:33:24Z"},{"alias_kind":"pith_short_16","alias_value":"N3XSEQMYIHSR4JMI","created_at":"2026-05-18T12:33:24Z"},{"alias_kind":"pith_short_8","alias_value":"N3XSEQMY","created_at":"2026-05-18T12:33:24Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:N3XSEQMYIHSR4JMIVK4GBOEQDJ","target":"record","payload":{"canonical_record":{"source":{"id":"1905.02055","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2019-05-06T14:10:19Z","cross_cats_sorted":["nucl-ex"],"title_canon_sha256":"1041ea590eaf1daa75a97e960d010622710e251c6fea993125eeeaad35f9ead8","abstract_canon_sha256":"3891d6e4c57c3612efa2b25aac402c32ae2accf7f9f58eb2c9ba0d2346551810"},"schema_version":"1.0"},"canonical_sha256":"6eef22419841e51e2588aab860b8901a459dbeff3b4bec48271695e29e52390d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:45:57.682725Z","signature_b64":"FJRyJKsrOoaohhPoWIhzIf5sDCXfeJtKWTy3xAmx5s+w43DIB8jgEDsxtJoeGjKA25Ijv6kkkZbpSmnOJaS6Dg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6eef22419841e51e2588aab860b8901a459dbeff3b4bec48271695e29e52390d","last_reissued_at":"2026-05-17T23:45:57.682215Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:45:57.682215Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1905.02055","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":"2026-05-17T23:45:57Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"bFzdnDzJYPD8VNFsl8yy2U7/hkKgfVRMSIegQUwM00p0ViicqECSc/gkMEve9JcjTNpx8pQ2Q3CxDdQ4ngExCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T19:05:10.419843Z"},"content_sha256":"6680db366ec9c787c6b3e266bbbf755a204cabeaf8e22bb4eb54e9507faa605b","schema_version":"1.0","event_id":"sha256:6680db366ec9c787c6b3e266bbbf755a204cabeaf8e22bb4eb54e9507faa605b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:N3XSEQMYIHSR4JMIVK4GBOEQDJ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"First principles electromagnetic responses in medium-mass nuclei","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["nucl-ex"],"primary_cat":"nucl-th","authors_text":"Gaute Hagen, Johannes Simonis, Sonia Bacca","submitted_at":"2019-05-06T14:10:19Z","abstract_excerpt":"We review the recent progress made in the computation of electromagnetic response functions in light and medium-mass nuclei using coupled-cluster theory. We show how a many-body formulation of the Lorentz integral transform method allows to calculate the photoabsorption cross sections of $^{16, 22}$O and $^{40}$Ca. Then, we discuss electromagnetic sum rules, with particular emphasis on the electric dipole polarizability, $\\alpha_D$. By including triples corrections in coupled-cluster theory, we revisit $^{48}$Ca, for which, beside the electric dipole polarizability, we had previously investiga"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1905.02055","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":"2026-05-17T23:45:57Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"sk76VcZOJ9er4GxEZYIcrveH/EY5bM5gSs21Bia9t6Nx3cyywBAza1KYPLVxMW3W+ma2GJu3R8CHRki1AkPGBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T19:05:10.420188Z"},"content_sha256":"c47bb11f6450b348d5511a51bde3b5a4f521ac5fb29e2edcd43e9fcc0d1bfd0f","schema_version":"1.0","event_id":"sha256:c47bb11f6450b348d5511a51bde3b5a4f521ac5fb29e2edcd43e9fcc0d1bfd0f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/N3XSEQMYIHSR4JMIVK4GBOEQDJ/bundle.json","state_url":"https://pith.science/pith/N3XSEQMYIHSR4JMIVK4GBOEQDJ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/N3XSEQMYIHSR4JMIVK4GBOEQDJ/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":"2026-06-01T19:05:10Z","links":{"resolver":"https://pith.science/pith/N3XSEQMYIHSR4JMIVK4GBOEQDJ","bundle":"https://pith.science/pith/N3XSEQMYIHSR4JMIVK4GBOEQDJ/bundle.json","state":"https://pith.science/pith/N3XSEQMYIHSR4JMIVK4GBOEQDJ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/N3XSEQMYIHSR4JMIVK4GBOEQDJ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:N3XSEQMYIHSR4JMIVK4GBOEQDJ","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":"3891d6e4c57c3612efa2b25aac402c32ae2accf7f9f58eb2c9ba0d2346551810","cross_cats_sorted":["nucl-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2019-05-06T14:10:19Z","title_canon_sha256":"1041ea590eaf1daa75a97e960d010622710e251c6fea993125eeeaad35f9ead8"},"schema_version":"1.0","source":{"id":"1905.02055","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1905.02055","created_at":"2026-05-17T23:45:57Z"},{"alias_kind":"arxiv_version","alias_value":"1905.02055v1","created_at":"2026-05-17T23:45:57Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1905.02055","created_at":"2026-05-17T23:45:57Z"},{"alias_kind":"pith_short_12","alias_value":"N3XSEQMYIHSR","created_at":"2026-05-18T12:33:24Z"},{"alias_kind":"pith_short_16","alias_value":"N3XSEQMYIHSR4JMI","created_at":"2026-05-18T12:33:24Z"},{"alias_kind":"pith_short_8","alias_value":"N3XSEQMY","created_at":"2026-05-18T12:33:24Z"}],"graph_snapshots":[{"event_id":"sha256:c47bb11f6450b348d5511a51bde3b5a4f521ac5fb29e2edcd43e9fcc0d1bfd0f","target":"graph","created_at":"2026-05-17T23:45:57Z","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 review the recent progress made in the computation of electromagnetic response functions in light and medium-mass nuclei using coupled-cluster theory. We show how a many-body formulation of the Lorentz integral transform method allows to calculate the photoabsorption cross sections of $^{16, 22}$O and $^{40}$Ca. Then, we discuss electromagnetic sum rules, with particular emphasis on the electric dipole polarizability, $\\alpha_D$. By including triples corrections in coupled-cluster theory, we revisit $^{48}$Ca, for which, beside the electric dipole polarizability, we had previously investiga","authors_text":"Gaute Hagen, Johannes Simonis, Sonia Bacca","cross_cats":["nucl-ex"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2019-05-06T14:10:19Z","title":"First principles electromagnetic responses in medium-mass nuclei"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1905.02055","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":"sha256:6680db366ec9c787c6b3e266bbbf755a204cabeaf8e22bb4eb54e9507faa605b","target":"record","created_at":"2026-05-17T23:45:57Z","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":"3891d6e4c57c3612efa2b25aac402c32ae2accf7f9f58eb2c9ba0d2346551810","cross_cats_sorted":["nucl-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2019-05-06T14:10:19Z","title_canon_sha256":"1041ea590eaf1daa75a97e960d010622710e251c6fea993125eeeaad35f9ead8"},"schema_version":"1.0","source":{"id":"1905.02055","kind":"arxiv","version":1}},"canonical_sha256":"6eef22419841e51e2588aab860b8901a459dbeff3b4bec48271695e29e52390d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6eef22419841e51e2588aab860b8901a459dbeff3b4bec48271695e29e52390d","first_computed_at":"2026-05-17T23:45:57.682215Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:45:57.682215Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"FJRyJKsrOoaohhPoWIhzIf5sDCXfeJtKWTy3xAmx5s+w43DIB8jgEDsxtJoeGjKA25Ijv6kkkZbpSmnOJaS6Dg==","signature_status":"signed_v1","signed_at":"2026-05-17T23:45:57.682725Z","signed_message":"canonical_sha256_bytes"},"source_id":"1905.02055","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6680db366ec9c787c6b3e266bbbf755a204cabeaf8e22bb4eb54e9507faa605b","sha256:c47bb11f6450b348d5511a51bde3b5a4f521ac5fb29e2edcd43e9fcc0d1bfd0f"],"state_sha256":"a64f007940e3feb26fad7de96f55ea1199a1673c28c21d1ccba9025330b4adfc"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"NtsHpSNSuFvEUpe6xKm2oLU80Z5venVduqm7jR0OSZ2BRxPv3REPzzxdvkxeLNRpvm3tA88OCekDZYwTo2OyCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T19:05:10.422190Z","bundle_sha256":"e819b5fc5e5954baab85ce36075d46ec43b0607c254459b83da1e63de72ee1f8"}}