{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:U6KCOVDMQY2NO6OB3QWIYYEAE6","short_pith_number":"pith:U6KCOVDM","canonical_record":{"source":{"id":"1012.3498","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2010-12-16T01:54:59Z","cross_cats_sorted":[],"title_canon_sha256":"35b85dadf6aa387b114c8965676aa6b8cad2ea6772ec66a7ea64fb3b78c716d4","abstract_canon_sha256":"08627cba992cfddb72d33f9dc6cb262eb7ca25181ebb986584557d7d764f758e"},"schema_version":"1.0"},"canonical_sha256":"a79427546c8634d779c1dc2c8c6080279276bb882399dc37769b853c3f405825","source":{"kind":"arxiv","id":"1012.3498","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1012.3498","created_at":"2026-05-18T02:04:24Z"},{"alias_kind":"arxiv_version","alias_value":"1012.3498v1","created_at":"2026-05-18T02:04:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1012.3498","created_at":"2026-05-18T02:04:24Z"},{"alias_kind":"pith_short_12","alias_value":"U6KCOVDMQY2N","created_at":"2026-05-18T12:26:15Z"},{"alias_kind":"pith_short_16","alias_value":"U6KCOVDMQY2NO6OB","created_at":"2026-05-18T12:26:15Z"},{"alias_kind":"pith_short_8","alias_value":"U6KCOVDM","created_at":"2026-05-18T12:26:15Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:U6KCOVDMQY2NO6OB3QWIYYEAE6","target":"record","payload":{"canonical_record":{"source":{"id":"1012.3498","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2010-12-16T01:54:59Z","cross_cats_sorted":[],"title_canon_sha256":"35b85dadf6aa387b114c8965676aa6b8cad2ea6772ec66a7ea64fb3b78c716d4","abstract_canon_sha256":"08627cba992cfddb72d33f9dc6cb262eb7ca25181ebb986584557d7d764f758e"},"schema_version":"1.0"},"canonical_sha256":"a79427546c8634d779c1dc2c8c6080279276bb882399dc37769b853c3f405825","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:04:24.030626Z","signature_b64":"5aSrW4glgJCYo7KShKJmi8Vtlf8zAANdQVCPzbcy9ITmxH2CsE74/W+fzlL7vtbjzcLrKj5sqKakwz6ntABPBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a79427546c8634d779c1dc2c8c6080279276bb882399dc37769b853c3f405825","last_reissued_at":"2026-05-18T02:04:24.029886Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:04:24.029886Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1012.3498","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":"2026-05-18T02:04:24Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"FP8vnlgey8PXhLau9WGKp4yY7lYGVnC/bB/Ah5/os+M4DmAAoWK4ZW0ApezxCXV2EGGs+xPFOUBhkAk/YdWUAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T02:30:25.905146Z"},"content_sha256":"5d890b3a23513babbe8d66ce6780950c53ba2723a03db2af92207ae6a08135ba","schema_version":"1.0","event_id":"sha256:5d890b3a23513babbe8d66ce6780950c53ba2723a03db2af92207ae6a08135ba"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:U6KCOVDMQY2NO6OB3QWIYYEAE6","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Two-neutron halo nuclei in one dimension: dineutron correlation and breakup reaction","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"nucl-th","authors_text":"A. Vitturi, F. Perez-Bernal, H. Sagawa, K. Hagino","submitted_at":"2010-12-16T01:54:59Z","abstract_excerpt":"We propose a simple schematic model for two-neutron halo nuclei. In this model, the two valence neutrons move in a one-dimensional mean field, interacting with each other via a density-dependent contact interaction. We first investigate the ground state properties, and demonstrate that the dineutron correlation can be realized with this simple model due to the admixture of even- and odd-parity single-particle states. We then solve the time-dependent two-particle Schr\\\"odinger equation under the influence of a time-dependent one-body external field, in order to discuss the effect of dineutron c"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1012.3498","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":"2026-05-18T02:04:24Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"bINqzcOpkeF3AHUFrL1JDuso6f91fA0ldxL9OEEVDtyuuLX3S0JDvLb+IDDzZUAHn3yhEZkVQGAAFMEt6T4HCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T02:30:25.905528Z"},"content_sha256":"36923eb2d62c70ca8bc2fafd814080f3b0c9320e281676a1138cb17891d75282","schema_version":"1.0","event_id":"sha256:36923eb2d62c70ca8bc2fafd814080f3b0c9320e281676a1138cb17891d75282"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/U6KCOVDMQY2NO6OB3QWIYYEAE6/bundle.json","state_url":"https://pith.science/pith/U6KCOVDMQY2NO6OB3QWIYYEAE6/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/U6KCOVDMQY2NO6OB3QWIYYEAE6/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":"2026-05-28T02:30:25Z","links":{"resolver":"https://pith.science/pith/U6KCOVDMQY2NO6OB3QWIYYEAE6","bundle":"https://pith.science/pith/U6KCOVDMQY2NO6OB3QWIYYEAE6/bundle.json","state":"https://pith.science/pith/U6KCOVDMQY2NO6OB3QWIYYEAE6/state.json","well_known_bundle":"https://pith.science/.well-known/pith/U6KCOVDMQY2NO6OB3QWIYYEAE6/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:U6KCOVDMQY2NO6OB3QWIYYEAE6","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":"08627cba992cfddb72d33f9dc6cb262eb7ca25181ebb986584557d7d764f758e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2010-12-16T01:54:59Z","title_canon_sha256":"35b85dadf6aa387b114c8965676aa6b8cad2ea6772ec66a7ea64fb3b78c716d4"},"schema_version":"1.0","source":{"id":"1012.3498","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1012.3498","created_at":"2026-05-18T02:04:24Z"},{"alias_kind":"arxiv_version","alias_value":"1012.3498v1","created_at":"2026-05-18T02:04:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1012.3498","created_at":"2026-05-18T02:04:24Z"},{"alias_kind":"pith_short_12","alias_value":"U6KCOVDMQY2N","created_at":"2026-05-18T12:26:15Z"},{"alias_kind":"pith_short_16","alias_value":"U6KCOVDMQY2NO6OB","created_at":"2026-05-18T12:26:15Z"},{"alias_kind":"pith_short_8","alias_value":"U6KCOVDM","created_at":"2026-05-18T12:26:15Z"}],"graph_snapshots":[{"event_id":"sha256:36923eb2d62c70ca8bc2fafd814080f3b0c9320e281676a1138cb17891d75282","target":"graph","created_at":"2026-05-18T02:04:24Z","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 propose a simple schematic model for two-neutron halo nuclei. In this model, the two valence neutrons move in a one-dimensional mean field, interacting with each other via a density-dependent contact interaction. We first investigate the ground state properties, and demonstrate that the dineutron correlation can be realized with this simple model due to the admixture of even- and odd-parity single-particle states. We then solve the time-dependent two-particle Schr\\\"odinger equation under the influence of a time-dependent one-body external field, in order to discuss the effect of dineutron c","authors_text":"A. Vitturi, F. Perez-Bernal, H. Sagawa, K. Hagino","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2010-12-16T01:54:59Z","title":"Two-neutron halo nuclei in one dimension: dineutron correlation and breakup reaction"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1012.3498","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":"sha256:5d890b3a23513babbe8d66ce6780950c53ba2723a03db2af92207ae6a08135ba","target":"record","created_at":"2026-05-18T02:04:24Z","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":"08627cba992cfddb72d33f9dc6cb262eb7ca25181ebb986584557d7d764f758e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2010-12-16T01:54:59Z","title_canon_sha256":"35b85dadf6aa387b114c8965676aa6b8cad2ea6772ec66a7ea64fb3b78c716d4"},"schema_version":"1.0","source":{"id":"1012.3498","kind":"arxiv","version":1}},"canonical_sha256":"a79427546c8634d779c1dc2c8c6080279276bb882399dc37769b853c3f405825","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a79427546c8634d779c1dc2c8c6080279276bb882399dc37769b853c3f405825","first_computed_at":"2026-05-18T02:04:24.029886Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:04:24.029886Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"5aSrW4glgJCYo7KShKJmi8Vtlf8zAANdQVCPzbcy9ITmxH2CsE74/W+fzlL7vtbjzcLrKj5sqKakwz6ntABPBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:04:24.030626Z","signed_message":"canonical_sha256_bytes"},"source_id":"1012.3498","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5d890b3a23513babbe8d66ce6780950c53ba2723a03db2af92207ae6a08135ba","sha256:36923eb2d62c70ca8bc2fafd814080f3b0c9320e281676a1138cb17891d75282"],"state_sha256":"32039d578e63433103a59bb5f629211d0520f87e45004680068bcd822d4ae741"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"I+Q3DTUGZW6Ugf5R9ZoLUNxelocend6WUMvlhq/RazyOFfJjfKQzertYOAZbRyQfyIvd4ye52nllckYl4+qdDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T02:30:25.907571Z","bundle_sha256":"d32bfc22b33bfa621cbe4938768f7549ae4437a6736a8f82b208a29906e9c577"}}