{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:3QUOYNQ7EG32GB4QNIA6WL2VTZ","short_pith_number":"pith:3QUOYNQ7","canonical_record":{"source":{"id":"1601.06900","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2016-01-26T06:11:22Z","cross_cats_sorted":["nucl-ex"],"title_canon_sha256":"d694e86233cbf2e637ca28a8fd08ea87201edac4580bbece87234fe5bb3778c2","abstract_canon_sha256":"a945987888a964d6e50e736212114840c6e285e8f8eb52d3db09dcf4ab759c87"},"schema_version":"1.0"},"canonical_sha256":"dc28ec361f21b7a307906a01eb2f559e4a2e07efd38a20de86ec1f613f019f15","source":{"kind":"arxiv","id":"1601.06900","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1601.06900","created_at":"2026-05-18T01:21:59Z"},{"alias_kind":"arxiv_version","alias_value":"1601.06900v1","created_at":"2026-05-18T01:21:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1601.06900","created_at":"2026-05-18T01:21:59Z"},{"alias_kind":"pith_short_12","alias_value":"3QUOYNQ7EG32","created_at":"2026-05-18T12:29:55Z"},{"alias_kind":"pith_short_16","alias_value":"3QUOYNQ7EG32GB4Q","created_at":"2026-05-18T12:29:55Z"},{"alias_kind":"pith_short_8","alias_value":"3QUOYNQ7","created_at":"2026-05-18T12:29:55Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:3QUOYNQ7EG32GB4QNIA6WL2VTZ","target":"record","payload":{"canonical_record":{"source":{"id":"1601.06900","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2016-01-26T06:11:22Z","cross_cats_sorted":["nucl-ex"],"title_canon_sha256":"d694e86233cbf2e637ca28a8fd08ea87201edac4580bbece87234fe5bb3778c2","abstract_canon_sha256":"a945987888a964d6e50e736212114840c6e285e8f8eb52d3db09dcf4ab759c87"},"schema_version":"1.0"},"canonical_sha256":"dc28ec361f21b7a307906a01eb2f559e4a2e07efd38a20de86ec1f613f019f15","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:21:59.579683Z","signature_b64":"aAumo7oHUJzSXWm7p1Eyo+ILs+V95rk1oDDEBymo++qNGiGhrOONR3Lr/XmbWKf0EL5zKuDLAt0YdJSuo9OdAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"dc28ec361f21b7a307906a01eb2f559e4a2e07efd38a20de86ec1f613f019f15","last_reissued_at":"2026-05-18T01:21:59.579169Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:21:59.579169Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1601.06900","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":"2026-05-18T01:21:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vZGqtNEynDDztVs9mucZ3wuDDRgOOKua6vZJFKdPBbAbRIU3yDE85XiBHURfZ6cKc1IQ8FIUmgWlzhEbJ/bQBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T23:27:37.699260Z"},"content_sha256":"47a1196f0703bdea6c94b6cc7dea251f63ac1e24a830903e0c855d6f25b7ea71","schema_version":"1.0","event_id":"sha256:47a1196f0703bdea6c94b6cc7dea251f63ac1e24a830903e0c855d6f25b7ea71"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:3QUOYNQ7EG32GB4QNIA6WL2VTZ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Cluster-shell competition and its effect on the $E0$ transition probability in $^{20}$Ne","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["nucl-ex"],"primary_cat":"nucl-th","authors_text":"H. Matsuno, N. Itagaki","submitted_at":"2016-01-26T06:11:22Z","abstract_excerpt":"$^{20}$Ne has been known as a typical example of a nucleus with $\\alpha$ cluster structure ($^{16}$O+$\\alpha$ structure). However according to the spherical shell model, the spin-orbit interaction acts attractively for four nucleons outside of the $^{16}$O core, and this spin-orbit effect cannot be taken into account in the simple $\\alpha$ cluster models. We investigate how the $\\alpha$ cluster structure competes with independent particle motions of these four nucleons. The antisymmetrized quasi-cluster model (AQCM) is a method to describe a transition from the $\\alpha$ cluster wave function t"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1601.06900","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":"2026-05-18T01:21:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VGxZJ6hhUDS9fWM8Hgy7ZWTTd+cecdzl7FsmH74kifJCK2tqhOUzWEo8MF9XXJ59FeYWgKEATqQJY8ZjTPLZCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T23:27:37.699954Z"},"content_sha256":"f5ed730dd371655f7cd1f672dcca0b34d071b9e27a1fc68df98ce74925bb526b","schema_version":"1.0","event_id":"sha256:f5ed730dd371655f7cd1f672dcca0b34d071b9e27a1fc68df98ce74925bb526b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/3QUOYNQ7EG32GB4QNIA6WL2VTZ/bundle.json","state_url":"https://pith.science/pith/3QUOYNQ7EG32GB4QNIA6WL2VTZ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/3QUOYNQ7EG32GB4QNIA6WL2VTZ/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":"2026-05-27T23:27:37Z","links":{"resolver":"https://pith.science/pith/3QUOYNQ7EG32GB4QNIA6WL2VTZ","bundle":"https://pith.science/pith/3QUOYNQ7EG32GB4QNIA6WL2VTZ/bundle.json","state":"https://pith.science/pith/3QUOYNQ7EG32GB4QNIA6WL2VTZ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/3QUOYNQ7EG32GB4QNIA6WL2VTZ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:3QUOYNQ7EG32GB4QNIA6WL2VTZ","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":"a945987888a964d6e50e736212114840c6e285e8f8eb52d3db09dcf4ab759c87","cross_cats_sorted":["nucl-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2016-01-26T06:11:22Z","title_canon_sha256":"d694e86233cbf2e637ca28a8fd08ea87201edac4580bbece87234fe5bb3778c2"},"schema_version":"1.0","source":{"id":"1601.06900","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1601.06900","created_at":"2026-05-18T01:21:59Z"},{"alias_kind":"arxiv_version","alias_value":"1601.06900v1","created_at":"2026-05-18T01:21:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1601.06900","created_at":"2026-05-18T01:21:59Z"},{"alias_kind":"pith_short_12","alias_value":"3QUOYNQ7EG32","created_at":"2026-05-18T12:29:55Z"},{"alias_kind":"pith_short_16","alias_value":"3QUOYNQ7EG32GB4Q","created_at":"2026-05-18T12:29:55Z"},{"alias_kind":"pith_short_8","alias_value":"3QUOYNQ7","created_at":"2026-05-18T12:29:55Z"}],"graph_snapshots":[{"event_id":"sha256:f5ed730dd371655f7cd1f672dcca0b34d071b9e27a1fc68df98ce74925bb526b","target":"graph","created_at":"2026-05-18T01:21:59Z","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":"$^{20}$Ne has been known as a typical example of a nucleus with $\\alpha$ cluster structure ($^{16}$O+$\\alpha$ structure). However according to the spherical shell model, the spin-orbit interaction acts attractively for four nucleons outside of the $^{16}$O core, and this spin-orbit effect cannot be taken into account in the simple $\\alpha$ cluster models. We investigate how the $\\alpha$ cluster structure competes with independent particle motions of these four nucleons. The antisymmetrized quasi-cluster model (AQCM) is a method to describe a transition from the $\\alpha$ cluster wave function t","authors_text":"H. Matsuno, N. Itagaki","cross_cats":["nucl-ex"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2016-01-26T06:11:22Z","title":"Cluster-shell competition and its effect on the $E0$ transition probability in $^{20}$Ne"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1601.06900","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":"sha256:47a1196f0703bdea6c94b6cc7dea251f63ac1e24a830903e0c855d6f25b7ea71","target":"record","created_at":"2026-05-18T01:21:59Z","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":"a945987888a964d6e50e736212114840c6e285e8f8eb52d3db09dcf4ab759c87","cross_cats_sorted":["nucl-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2016-01-26T06:11:22Z","title_canon_sha256":"d694e86233cbf2e637ca28a8fd08ea87201edac4580bbece87234fe5bb3778c2"},"schema_version":"1.0","source":{"id":"1601.06900","kind":"arxiv","version":1}},"canonical_sha256":"dc28ec361f21b7a307906a01eb2f559e4a2e07efd38a20de86ec1f613f019f15","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"dc28ec361f21b7a307906a01eb2f559e4a2e07efd38a20de86ec1f613f019f15","first_computed_at":"2026-05-18T01:21:59.579169Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:21:59.579169Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"aAumo7oHUJzSXWm7p1Eyo+ILs+V95rk1oDDEBymo++qNGiGhrOONR3Lr/XmbWKf0EL5zKuDLAt0YdJSuo9OdAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:21:59.579683Z","signed_message":"canonical_sha256_bytes"},"source_id":"1601.06900","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:47a1196f0703bdea6c94b6cc7dea251f63ac1e24a830903e0c855d6f25b7ea71","sha256:f5ed730dd371655f7cd1f672dcca0b34d071b9e27a1fc68df98ce74925bb526b"],"state_sha256":"654849fa9c3f8ecc746fc3869ed1d7ff958f35b99e76186f4aa3ea8c25d3dcb6"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wD6jJMpHiih+I/0CxTdDboGgBYRPV/fRyhNkl8kqfTw5BWJq5q48fzhbum9CPCs9kiNvCUr7yLPlbifQd82rCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T23:27:37.703580Z","bundle_sha256":"2821bc585c95ebaf918d7c5d9840f4533e95d96c2d162e48c94b117b0b24aa43"}}