{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:UVYNZ23KSCAHYA44P6UVE2V3H4","short_pith_number":"pith:UVYNZ23K","canonical_record":{"source":{"id":"1007.1405","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2010-07-08T15:46:07Z","cross_cats_sorted":[],"title_canon_sha256":"7029ebbec7a5dc43cb1514001e1f4e6328cdac29f82a63b341ef6f2683dd5d4b","abstract_canon_sha256":"c7f3faaa1851cbbfc7520ecab3431c5f4cd8d61ad1b5e403466c2a2b01235c76"},"schema_version":"1.0"},"canonical_sha256":"a570dceb6a90807c039c7fa9526abb3f29337a8ce53dd4e6855639303ce29d48","source":{"kind":"arxiv","id":"1007.1405","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1007.1405","created_at":"2026-05-18T02:33:09Z"},{"alias_kind":"arxiv_version","alias_value":"1007.1405v1","created_at":"2026-05-18T02:33:09Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1007.1405","created_at":"2026-05-18T02:33:09Z"},{"alias_kind":"pith_short_12","alias_value":"UVYNZ23KSCAH","created_at":"2026-05-18T12:26:15Z"},{"alias_kind":"pith_short_16","alias_value":"UVYNZ23KSCAHYA44","created_at":"2026-05-18T12:26:15Z"},{"alias_kind":"pith_short_8","alias_value":"UVYNZ23K","created_at":"2026-05-18T12:26:15Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:UVYNZ23KSCAHYA44P6UVE2V3H4","target":"record","payload":{"canonical_record":{"source":{"id":"1007.1405","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2010-07-08T15:46:07Z","cross_cats_sorted":[],"title_canon_sha256":"7029ebbec7a5dc43cb1514001e1f4e6328cdac29f82a63b341ef6f2683dd5d4b","abstract_canon_sha256":"c7f3faaa1851cbbfc7520ecab3431c5f4cd8d61ad1b5e403466c2a2b01235c76"},"schema_version":"1.0"},"canonical_sha256":"a570dceb6a90807c039c7fa9526abb3f29337a8ce53dd4e6855639303ce29d48","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:33:09.489414Z","signature_b64":"pFya8ckILC1jpSTfuWdYPRBLGdbuRfH3iPlAch2LuUGy+5eJCVb+jKXLjYxTySCqKXVZHjmCJI8tusSlsb2fAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a570dceb6a90807c039c7fa9526abb3f29337a8ce53dd4e6855639303ce29d48","last_reissued_at":"2026-05-18T02:33:09.488983Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:33:09.488983Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1007.1405","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":"2026-05-18T02:33:09Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"H2/g7+Daa31h/yYqL2uLBJC/WnTwqki8pXPrX1cbM3WQzd3kZAcTtA2WsqatC9vJkr13w2ndiIv2TfpArHQxBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-25T05:01:48.200744Z"},"content_sha256":"c28113211d9bb58aedeae607ce871a511cacf099e0b5e98a1355b028a2ae3ed5","schema_version":"1.0","event_id":"sha256:c28113211d9bb58aedeae607ce871a511cacf099e0b5e98a1355b028a2ae3ed5"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:UVYNZ23KSCAHYA44P6UVE2V3H4","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Two-neutron overlap functions for 6He from a microscopic structure model","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"nucl-th","authors_text":"F.M.Nunes, I.Brida","submitted_at":"2010-07-08T15:46:07Z","abstract_excerpt":"A fully antisymmetrized microscopic model is developed for light two-neutron halo nuclei using a hyper-spherical basis to describe halo regions. The many-body wavefunction is optimized variationally. The model is applied to 6He bound by semi realistic Minnesota nucleon-nucleon forces. The two-neutron separation energy and the radius of the halo are reproduced in agreement with experiment. Antisymmetrization effects between 4He and halo neutrons are found to be crucial for binding of 6He. We also properly extract two-neutron overlap functions and find that there is a significant increase of 30%"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1007.1405","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":"2026-05-18T02:33:09Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qGfDfVtqR/KMjnxPfmNeqMoqvjQwwlEj4c51/KzcLFbiQ+JvVvVt5MTMfdEb373nJbfnxGu5g+ng6FM91p1aBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-25T05:01:48.201121Z"},"content_sha256":"1b795c0010fc59b87f253f6fdc6c266ef1c343c2b243f20ce7694655f6f77b86","schema_version":"1.0","event_id":"sha256:1b795c0010fc59b87f253f6fdc6c266ef1c343c2b243f20ce7694655f6f77b86"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/UVYNZ23KSCAHYA44P6UVE2V3H4/bundle.json","state_url":"https://pith.science/pith/UVYNZ23KSCAHYA44P6UVE2V3H4/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/UVYNZ23KSCAHYA44P6UVE2V3H4/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":"2026-06-25T05:01:48Z","links":{"resolver":"https://pith.science/pith/UVYNZ23KSCAHYA44P6UVE2V3H4","bundle":"https://pith.science/pith/UVYNZ23KSCAHYA44P6UVE2V3H4/bundle.json","state":"https://pith.science/pith/UVYNZ23KSCAHYA44P6UVE2V3H4/state.json","well_known_bundle":"https://pith.science/.well-known/pith/UVYNZ23KSCAHYA44P6UVE2V3H4/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:UVYNZ23KSCAHYA44P6UVE2V3H4","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":"c7f3faaa1851cbbfc7520ecab3431c5f4cd8d61ad1b5e403466c2a2b01235c76","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2010-07-08T15:46:07Z","title_canon_sha256":"7029ebbec7a5dc43cb1514001e1f4e6328cdac29f82a63b341ef6f2683dd5d4b"},"schema_version":"1.0","source":{"id":"1007.1405","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1007.1405","created_at":"2026-05-18T02:33:09Z"},{"alias_kind":"arxiv_version","alias_value":"1007.1405v1","created_at":"2026-05-18T02:33:09Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1007.1405","created_at":"2026-05-18T02:33:09Z"},{"alias_kind":"pith_short_12","alias_value":"UVYNZ23KSCAH","created_at":"2026-05-18T12:26:15Z"},{"alias_kind":"pith_short_16","alias_value":"UVYNZ23KSCAHYA44","created_at":"2026-05-18T12:26:15Z"},{"alias_kind":"pith_short_8","alias_value":"UVYNZ23K","created_at":"2026-05-18T12:26:15Z"}],"graph_snapshots":[{"event_id":"sha256:1b795c0010fc59b87f253f6fdc6c266ef1c343c2b243f20ce7694655f6f77b86","target":"graph","created_at":"2026-05-18T02:33:09Z","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":"A fully antisymmetrized microscopic model is developed for light two-neutron halo nuclei using a hyper-spherical basis to describe halo regions. The many-body wavefunction is optimized variationally. The model is applied to 6He bound by semi realistic Minnesota nucleon-nucleon forces. The two-neutron separation energy and the radius of the halo are reproduced in agreement with experiment. Antisymmetrization effects between 4He and halo neutrons are found to be crucial for binding of 6He. We also properly extract two-neutron overlap functions and find that there is a significant increase of 30%","authors_text":"F.M.Nunes, I.Brida","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2010-07-08T15:46:07Z","title":"Two-neutron overlap functions for 6He from a microscopic structure model"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1007.1405","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:c28113211d9bb58aedeae607ce871a511cacf099e0b5e98a1355b028a2ae3ed5","target":"record","created_at":"2026-05-18T02:33:09Z","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":"c7f3faaa1851cbbfc7520ecab3431c5f4cd8d61ad1b5e403466c2a2b01235c76","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2010-07-08T15:46:07Z","title_canon_sha256":"7029ebbec7a5dc43cb1514001e1f4e6328cdac29f82a63b341ef6f2683dd5d4b"},"schema_version":"1.0","source":{"id":"1007.1405","kind":"arxiv","version":1}},"canonical_sha256":"a570dceb6a90807c039c7fa9526abb3f29337a8ce53dd4e6855639303ce29d48","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a570dceb6a90807c039c7fa9526abb3f29337a8ce53dd4e6855639303ce29d48","first_computed_at":"2026-05-18T02:33:09.488983Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:33:09.488983Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"pFya8ckILC1jpSTfuWdYPRBLGdbuRfH3iPlAch2LuUGy+5eJCVb+jKXLjYxTySCqKXVZHjmCJI8tusSlsb2fAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:33:09.489414Z","signed_message":"canonical_sha256_bytes"},"source_id":"1007.1405","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c28113211d9bb58aedeae607ce871a511cacf099e0b5e98a1355b028a2ae3ed5","sha256:1b795c0010fc59b87f253f6fdc6c266ef1c343c2b243f20ce7694655f6f77b86"],"state_sha256":"c9ea3b9a2a77ebe53c0c90e07c01dfacfdc04242bc37b9566be4c1a9bc4a34d4"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"m3rrzSJ3mwHlpGOOsjHMqkQiOvOgWJ+wFzAroQ9nK/7tWgoyW0oXCwpX/nQzaWI1vzj0IpmRejvgGexzJD2MBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-25T05:01:48.203090Z","bundle_sha256":"b80c26dca86a593a6eaf616ad636cca9fadbc6351bd579149c593d0a73b7f2d2"}}