{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:Y2SODKGLHAVOQCLJF4RC7CXVXK","short_pith_number":"pith:Y2SODKGL","canonical_record":{"source":{"id":"1809.02247","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2018-09-06T23:14:52Z","cross_cats_sorted":[],"title_canon_sha256":"6a5964425e5d3835bc92bc3d7749dc4b2c14bceb27f456fc82c73e3afe59dfc8","abstract_canon_sha256":"40a33f11b2e33ea3c7d2c647788dd7b5e286b378b445bfb07f977867886729cd"},"schema_version":"1.0"},"canonical_sha256":"c6a4e1a8cb382ae809692f222f8af5baacbeb92751e80b26aeef57e615bab363","source":{"kind":"arxiv","id":"1809.02247","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1809.02247","created_at":"2026-05-18T00:00:50Z"},{"alias_kind":"arxiv_version","alias_value":"1809.02247v1","created_at":"2026-05-18T00:00:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1809.02247","created_at":"2026-05-18T00:00:50Z"},{"alias_kind":"pith_short_12","alias_value":"Y2SODKGLHAVO","created_at":"2026-05-18T12:33:04Z"},{"alias_kind":"pith_short_16","alias_value":"Y2SODKGLHAVOQCLJ","created_at":"2026-05-18T12:33:04Z"},{"alias_kind":"pith_short_8","alias_value":"Y2SODKGL","created_at":"2026-05-18T12:33:04Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:Y2SODKGLHAVOQCLJF4RC7CXVXK","target":"record","payload":{"canonical_record":{"source":{"id":"1809.02247","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2018-09-06T23:14:52Z","cross_cats_sorted":[],"title_canon_sha256":"6a5964425e5d3835bc92bc3d7749dc4b2c14bceb27f456fc82c73e3afe59dfc8","abstract_canon_sha256":"40a33f11b2e33ea3c7d2c647788dd7b5e286b378b445bfb07f977867886729cd"},"schema_version":"1.0"},"canonical_sha256":"c6a4e1a8cb382ae809692f222f8af5baacbeb92751e80b26aeef57e615bab363","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:00:50.442162Z","signature_b64":"XhMG/Qxn2pAnzm34CuLfsx1JWUlzhRwJBHvo8XorQfBteGlBrADYGnFObc3P4d8UnRInetm8ku6AQuitv3q7Ag==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c6a4e1a8cb382ae809692f222f8af5baacbeb92751e80b26aeef57e615bab363","last_reissued_at":"2026-05-18T00:00:50.441509Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:00:50.441509Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1809.02247","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":"2026-05-18T00:00:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lX7xmd/p93ZZBVgLrjtPlYFgMBiUv8inDeXehtDCDpdUqD8sWFg0viSetmcfZXho1cMOaRTegrkDjAMb1SIUDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T02:32:28.586912Z"},"content_sha256":"0c34760613576fc66484e84211c3560199d65850f6960bd694d4534f4270d35b","schema_version":"1.0","event_id":"sha256:0c34760613576fc66484e84211c3560199d65850f6960bd694d4534f4270d35b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:Y2SODKGLHAVOQCLJF4RC7CXVXK","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Excitation spectra of exotic nuclei in a self-consistent phonon-coupling model","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"nucl-th","authors_text":"J. Speth, N. Lyutorovich, P.-G. Reinhard, V. Tselyaev","submitted_at":"2018-09-06T23:14:52Z","abstract_excerpt":"We explore giant resonance spectra and low-lying dipole strength in the Ni and Sn chains from proton rich to very neutron rich isotopes, relevant in astrophysical reaction chains. For the theoretical description we employ the random-phase approximation (RPA) plus many-body effects through a phonon coupling model with optimized selection of phonons. The nuclear force is based on the Skyrme-Hartree-Fock energy functional carried consistently through all steps of modelling. The main effect of phonon coupling is a broadening of the spectral distributions (collisional width). This broadening is par"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1809.02247","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":"2026-05-18T00:00:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gE0E2/WHkRewS7/KTduxorPnUDSiUbD/7Anq3K0JGis7W7uw5L6LeTbghTIMoo91/bjNSDd281S9Ny0iIpG5BQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T02:32:28.587296Z"},"content_sha256":"5ae2048ae91cc821da60df619d434cb3d8fb5b91dd718f76a59827346531fb9f","schema_version":"1.0","event_id":"sha256:5ae2048ae91cc821da60df619d434cb3d8fb5b91dd718f76a59827346531fb9f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/Y2SODKGLHAVOQCLJF4RC7CXVXK/bundle.json","state_url":"https://pith.science/pith/Y2SODKGLHAVOQCLJF4RC7CXVXK/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/Y2SODKGLHAVOQCLJF4RC7CXVXK/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":"2026-05-27T02:32:28Z","links":{"resolver":"https://pith.science/pith/Y2SODKGLHAVOQCLJF4RC7CXVXK","bundle":"https://pith.science/pith/Y2SODKGLHAVOQCLJF4RC7CXVXK/bundle.json","state":"https://pith.science/pith/Y2SODKGLHAVOQCLJF4RC7CXVXK/state.json","well_known_bundle":"https://pith.science/.well-known/pith/Y2SODKGLHAVOQCLJF4RC7CXVXK/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:Y2SODKGLHAVOQCLJF4RC7CXVXK","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":"40a33f11b2e33ea3c7d2c647788dd7b5e286b378b445bfb07f977867886729cd","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2018-09-06T23:14:52Z","title_canon_sha256":"6a5964425e5d3835bc92bc3d7749dc4b2c14bceb27f456fc82c73e3afe59dfc8"},"schema_version":"1.0","source":{"id":"1809.02247","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1809.02247","created_at":"2026-05-18T00:00:50Z"},{"alias_kind":"arxiv_version","alias_value":"1809.02247v1","created_at":"2026-05-18T00:00:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1809.02247","created_at":"2026-05-18T00:00:50Z"},{"alias_kind":"pith_short_12","alias_value":"Y2SODKGLHAVO","created_at":"2026-05-18T12:33:04Z"},{"alias_kind":"pith_short_16","alias_value":"Y2SODKGLHAVOQCLJ","created_at":"2026-05-18T12:33:04Z"},{"alias_kind":"pith_short_8","alias_value":"Y2SODKGL","created_at":"2026-05-18T12:33:04Z"}],"graph_snapshots":[{"event_id":"sha256:5ae2048ae91cc821da60df619d434cb3d8fb5b91dd718f76a59827346531fb9f","target":"graph","created_at":"2026-05-18T00:00:50Z","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 explore giant resonance spectra and low-lying dipole strength in the Ni and Sn chains from proton rich to very neutron rich isotopes, relevant in astrophysical reaction chains. For the theoretical description we employ the random-phase approximation (RPA) plus many-body effects through a phonon coupling model with optimized selection of phonons. The nuclear force is based on the Skyrme-Hartree-Fock energy functional carried consistently through all steps of modelling. The main effect of phonon coupling is a broadening of the spectral distributions (collisional width). This broadening is par","authors_text":"J. Speth, N. Lyutorovich, P.-G. Reinhard, V. Tselyaev","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2018-09-06T23:14:52Z","title":"Excitation spectra of exotic nuclei in a self-consistent phonon-coupling model"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1809.02247","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":"sha256:0c34760613576fc66484e84211c3560199d65850f6960bd694d4534f4270d35b","target":"record","created_at":"2026-05-18T00:00:50Z","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":"40a33f11b2e33ea3c7d2c647788dd7b5e286b378b445bfb07f977867886729cd","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2018-09-06T23:14:52Z","title_canon_sha256":"6a5964425e5d3835bc92bc3d7749dc4b2c14bceb27f456fc82c73e3afe59dfc8"},"schema_version":"1.0","source":{"id":"1809.02247","kind":"arxiv","version":1}},"canonical_sha256":"c6a4e1a8cb382ae809692f222f8af5baacbeb92751e80b26aeef57e615bab363","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c6a4e1a8cb382ae809692f222f8af5baacbeb92751e80b26aeef57e615bab363","first_computed_at":"2026-05-18T00:00:50.441509Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:00:50.441509Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"XhMG/Qxn2pAnzm34CuLfsx1JWUlzhRwJBHvo8XorQfBteGlBrADYGnFObc3P4d8UnRInetm8ku6AQuitv3q7Ag==","signature_status":"signed_v1","signed_at":"2026-05-18T00:00:50.442162Z","signed_message":"canonical_sha256_bytes"},"source_id":"1809.02247","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0c34760613576fc66484e84211c3560199d65850f6960bd694d4534f4270d35b","sha256:5ae2048ae91cc821da60df619d434cb3d8fb5b91dd718f76a59827346531fb9f"],"state_sha256":"82a849c280f60fbdc96c24fa1e6f5d49941f7d9d252f8588f2cf28f2dc883777"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"elMscPj/iiebdrIDGmwjaY4FKA2gpG2N9Sf3EbZ1Sm0SK2bf6+as6pMQLTYl8i9spPjNLP1jFXbUJaqblp+5AQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T02:32:28.589489Z","bundle_sha256":"e0d45001f4ab72096f1ce2ecf0960851b4738e1ce9edeb1c67eb993880b00424"}}