{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:UUEJQVOYEM5WTDKN2WBBV7DWKE","short_pith_number":"pith:UUEJQVOY","canonical_record":{"source":{"id":"1511.06579","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2015-11-20T13:02:10Z","cross_cats_sorted":["nucl-ex"],"title_canon_sha256":"e1ad77edec1c848dd66716c5180f8a04853f6283d702aba9659f84120049c36a","abstract_canon_sha256":"95b5dc3bbe85675361d76b2b909886191ec85f0b297a0dbe4d1a3a2691c8747a"},"schema_version":"1.0"},"canonical_sha256":"a5089855d8233b698d4dd5821afc76513e53512e2a98622b955888b0cedf8c69","source":{"kind":"arxiv","id":"1511.06579","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1511.06579","created_at":"2026-05-18T00:54:03Z"},{"alias_kind":"arxiv_version","alias_value":"1511.06579v2","created_at":"2026-05-18T00:54:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1511.06579","created_at":"2026-05-18T00:54:03Z"},{"alias_kind":"pith_short_12","alias_value":"UUEJQVOYEM5W","created_at":"2026-05-18T12:29:44Z"},{"alias_kind":"pith_short_16","alias_value":"UUEJQVOYEM5WTDKN","created_at":"2026-05-18T12:29:44Z"},{"alias_kind":"pith_short_8","alias_value":"UUEJQVOY","created_at":"2026-05-18T12:29:44Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:UUEJQVOYEM5WTDKN2WBBV7DWKE","target":"record","payload":{"canonical_record":{"source":{"id":"1511.06579","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2015-11-20T13:02:10Z","cross_cats_sorted":["nucl-ex"],"title_canon_sha256":"e1ad77edec1c848dd66716c5180f8a04853f6283d702aba9659f84120049c36a","abstract_canon_sha256":"95b5dc3bbe85675361d76b2b909886191ec85f0b297a0dbe4d1a3a2691c8747a"},"schema_version":"1.0"},"canonical_sha256":"a5089855d8233b698d4dd5821afc76513e53512e2a98622b955888b0cedf8c69","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:54:03.688142Z","signature_b64":"gj++CoMwA2aJwZbmuWGNdywq1v5OmK2fYdX7d3xbvCoOJYRxFnnh1RLj++Vq1yqDk7Lu5sc2U/k1eCbWsaHfBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a5089855d8233b698d4dd5821afc76513e53512e2a98622b955888b0cedf8c69","last_reissued_at":"2026-05-18T00:54:03.687714Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:54:03.687714Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1511.06579","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":"2026-05-18T00:54:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3myqLXIY5MbA/jogbsNkUNepci+BQCLKCzfN8nYWAAfGmsDMkCkx7XqF3uvUHasL1qI1lZhske47HqCv0pKJCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T15:39:06.886463Z"},"content_sha256":"6647afd1d15194c33a152c6e485bc5ed5a821e3896821bdfd612a79378464f70","schema_version":"1.0","event_id":"sha256:6647afd1d15194c33a152c6e485bc5ed5a821e3896821bdfd612a79378464f70"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:UUEJQVOYEM5WTDKN2WBBV7DWKE","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Phonon contributions to ab initio double mass differences of magic nuclei","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["nucl-ex"],"primary_cat":"nucl-th","authors_text":"E. E. Saperstein, M. Baldo, N. V. Gnezdilov, S. V. Tolokonnikov","submitted_at":"2015-11-20T13:02:10Z","abstract_excerpt":"Odd-even double mass differences (DMD) of magic nuclei are found within the approach starting from the free $NN$ interaction with account for particle-phonon coupling (PC) effects. We consider three PC effects: the phonon induced effective interaction, the renormalization of the \"ends\" due to the $Z$-factor corresponding to the pole PC contribution to the nucleon mass operator and the change of the single-particle energies. The perturbation theory in $g^2_L$, where $g_L$ is the vertex of the $L$-phonon creation, is used for PC calculations.\n  PC corrections to single-particle energies are foun"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1511.06579","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":"2026-05-18T00:54:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RHP1Fy9Xi/zJzsZz9Z/uNUbuVUXv+uB0c8ppj+v5uPn/YO7GstOMVPwz28IGrCFkiPYPgpobGWRfCBjrpa6cDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T15:39:06.887161Z"},"content_sha256":"4f64ec621edb93ca7375d4b415823671f25613434a4e9a97513fb4c368043cc2","schema_version":"1.0","event_id":"sha256:4f64ec621edb93ca7375d4b415823671f25613434a4e9a97513fb4c368043cc2"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/UUEJQVOYEM5WTDKN2WBBV7DWKE/bundle.json","state_url":"https://pith.science/pith/UUEJQVOYEM5WTDKN2WBBV7DWKE/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/UUEJQVOYEM5WTDKN2WBBV7DWKE/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":"2026-06-07T15:39:06Z","links":{"resolver":"https://pith.science/pith/UUEJQVOYEM5WTDKN2WBBV7DWKE","bundle":"https://pith.science/pith/UUEJQVOYEM5WTDKN2WBBV7DWKE/bundle.json","state":"https://pith.science/pith/UUEJQVOYEM5WTDKN2WBBV7DWKE/state.json","well_known_bundle":"https://pith.science/.well-known/pith/UUEJQVOYEM5WTDKN2WBBV7DWKE/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:UUEJQVOYEM5WTDKN2WBBV7DWKE","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":"95b5dc3bbe85675361d76b2b909886191ec85f0b297a0dbe4d1a3a2691c8747a","cross_cats_sorted":["nucl-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2015-11-20T13:02:10Z","title_canon_sha256":"e1ad77edec1c848dd66716c5180f8a04853f6283d702aba9659f84120049c36a"},"schema_version":"1.0","source":{"id":"1511.06579","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1511.06579","created_at":"2026-05-18T00:54:03Z"},{"alias_kind":"arxiv_version","alias_value":"1511.06579v2","created_at":"2026-05-18T00:54:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1511.06579","created_at":"2026-05-18T00:54:03Z"},{"alias_kind":"pith_short_12","alias_value":"UUEJQVOYEM5W","created_at":"2026-05-18T12:29:44Z"},{"alias_kind":"pith_short_16","alias_value":"UUEJQVOYEM5WTDKN","created_at":"2026-05-18T12:29:44Z"},{"alias_kind":"pith_short_8","alias_value":"UUEJQVOY","created_at":"2026-05-18T12:29:44Z"}],"graph_snapshots":[{"event_id":"sha256:4f64ec621edb93ca7375d4b415823671f25613434a4e9a97513fb4c368043cc2","target":"graph","created_at":"2026-05-18T00:54:03Z","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":"Odd-even double mass differences (DMD) of magic nuclei are found within the approach starting from the free $NN$ interaction with account for particle-phonon coupling (PC) effects. We consider three PC effects: the phonon induced effective interaction, the renormalization of the \"ends\" due to the $Z$-factor corresponding to the pole PC contribution to the nucleon mass operator and the change of the single-particle energies. The perturbation theory in $g^2_L$, where $g_L$ is the vertex of the $L$-phonon creation, is used for PC calculations.\n  PC corrections to single-particle energies are foun","authors_text":"E. E. Saperstein, M. Baldo, N. V. Gnezdilov, S. V. Tolokonnikov","cross_cats":["nucl-ex"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2015-11-20T13:02:10Z","title":"Phonon contributions to ab initio double mass differences of magic nuclei"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1511.06579","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":"sha256:6647afd1d15194c33a152c6e485bc5ed5a821e3896821bdfd612a79378464f70","target":"record","created_at":"2026-05-18T00:54:03Z","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":"95b5dc3bbe85675361d76b2b909886191ec85f0b297a0dbe4d1a3a2691c8747a","cross_cats_sorted":["nucl-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2015-11-20T13:02:10Z","title_canon_sha256":"e1ad77edec1c848dd66716c5180f8a04853f6283d702aba9659f84120049c36a"},"schema_version":"1.0","source":{"id":"1511.06579","kind":"arxiv","version":2}},"canonical_sha256":"a5089855d8233b698d4dd5821afc76513e53512e2a98622b955888b0cedf8c69","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a5089855d8233b698d4dd5821afc76513e53512e2a98622b955888b0cedf8c69","first_computed_at":"2026-05-18T00:54:03.687714Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:54:03.687714Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"gj++CoMwA2aJwZbmuWGNdywq1v5OmK2fYdX7d3xbvCoOJYRxFnnh1RLj++Vq1yqDk7Lu5sc2U/k1eCbWsaHfBg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:54:03.688142Z","signed_message":"canonical_sha256_bytes"},"source_id":"1511.06579","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6647afd1d15194c33a152c6e485bc5ed5a821e3896821bdfd612a79378464f70","sha256:4f64ec621edb93ca7375d4b415823671f25613434a4e9a97513fb4c368043cc2"],"state_sha256":"5f9fe6f6a375aa78ca9d3f4c9def6d273c1c07190f8c53456b90a01d7197f900"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"AMgS7R487ueOi7b0Gf89iZ+PbvV+9S0bNlYrTXxTqodDvrCuyWimMk5w9mFSmkq6uxwDxXLcVCBYuhmu0TPxAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-07T15:39:06.891038Z","bundle_sha256":"72d414f63c4a9956d65f3af31f17dab846afc8bac7e6bc565f8bc03dd3788eb8"}}