{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:PU3JWFZALIVROKWSTQQURTPU43","short_pith_number":"pith:PU3JWFZA","canonical_record":{"source":{"id":"1311.1556","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2013-11-07T01:11:24Z","cross_cats_sorted":["nucl-th"],"title_canon_sha256":"ddd2725c7a3926f0f1df9087aadb5d03fcdf12ab8f4e4fadc38e531e7602960e","abstract_canon_sha256":"0f0429efb3bfcb8efe816c6ab9a1b8796d0a34bf283811eed9ebcab13da15b7d"},"schema_version":"1.0"},"canonical_sha256":"7d369b17205a2b172ad29c2148cdf4e6efee7d0ad2070ec8954b01e6b8b7bc6f","source":{"kind":"arxiv","id":"1311.1556","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1311.1556","created_at":"2026-05-18T02:49:31Z"},{"alias_kind":"arxiv_version","alias_value":"1311.1556v3","created_at":"2026-05-18T02:49:31Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1311.1556","created_at":"2026-05-18T02:49:31Z"},{"alias_kind":"pith_short_12","alias_value":"PU3JWFZALIVR","created_at":"2026-05-18T12:27:57Z"},{"alias_kind":"pith_short_16","alias_value":"PU3JWFZALIVROKWS","created_at":"2026-05-18T12:27:57Z"},{"alias_kind":"pith_short_8","alias_value":"PU3JWFZA","created_at":"2026-05-18T12:27:57Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:PU3JWFZALIVROKWSTQQURTPU43","target":"record","payload":{"canonical_record":{"source":{"id":"1311.1556","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2013-11-07T01:11:24Z","cross_cats_sorted":["nucl-th"],"title_canon_sha256":"ddd2725c7a3926f0f1df9087aadb5d03fcdf12ab8f4e4fadc38e531e7602960e","abstract_canon_sha256":"0f0429efb3bfcb8efe816c6ab9a1b8796d0a34bf283811eed9ebcab13da15b7d"},"schema_version":"1.0"},"canonical_sha256":"7d369b17205a2b172ad29c2148cdf4e6efee7d0ad2070ec8954b01e6b8b7bc6f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:49:31.691113Z","signature_b64":"TmjjgNCJ6I6lm/873MrVd9Ooh9KnUIEoa4F+XHsyrQsUam7LlcPVjj74WBRM05/OpggZ664jsBKgrQVfjtIzCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7d369b17205a2b172ad29c2148cdf4e6efee7d0ad2070ec8954b01e6b8b7bc6f","last_reissued_at":"2026-05-18T02:49:31.690673Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:49:31.690673Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1311.1556","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T02:49:31Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0xGxB61WIDYkRYNZqbUOn0qmO/zf8SdoNUDUjnGQul7TKpvgC4d8lypiUlTTMs6vdtFHzqwx7W840ROTQ+D8DA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-08T15:38:34.019634Z"},"content_sha256":"017d94bec4481722f5cc126a4c13ebb6dcefaaf7b880616d63260df607ee62f5","schema_version":"1.0","event_id":"sha256:017d94bec4481722f5cc126a4c13ebb6dcefaaf7b880616d63260df607ee62f5"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:PU3JWFZALIVROKWSTQQURTPU43","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Neutral $s$ States in Loosely Bound Nuclei","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["nucl-th"],"primary_cat":"nucl-ex","authors_text":"B. P. Kay, C. R. Hoffman, J. P. Schiffer","submitted_at":"2013-11-07T01:11:24Z","abstract_excerpt":"In reviewing the data that has accumulated in light nuclei we find that the binding energy plays a critical role in describing the variation in energy of $s$ states relative to other states. The behavior of states with zero angular momentum within a few MeV of threshold is qualitatively different from that of neutron states with any other $\\ell$ value or of any proton state. This observation is explored for simple Woods-Saxon potentials and is remarkably successful in describing a wealth of experimental data for nuclei with neutron numbers between 5 and 10. The lingering of neutron $s$ states "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1311.1556","kind":"arxiv","version":3},"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":"2026-05-18T02:49:31Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GojcNcd5Skn8XO1EStf6SQ0IBvPN9QBJusYY+I+PZ3+ViGsvcRHIJrTrogCD5PKingzK13gbaF6HdE2EH6C+CA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-08T15:38:34.020335Z"},"content_sha256":"a6d7f24f5813c4ac4e1ca79bbb0e36e4298310458743f8d393bd04b2301bb0ff","schema_version":"1.0","event_id":"sha256:a6d7f24f5813c4ac4e1ca79bbb0e36e4298310458743f8d393bd04b2301bb0ff"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/PU3JWFZALIVROKWSTQQURTPU43/bundle.json","state_url":"https://pith.science/pith/PU3JWFZALIVROKWSTQQURTPU43/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/PU3JWFZALIVROKWSTQQURTPU43/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":"2026-06-08T15:38:34Z","links":{"resolver":"https://pith.science/pith/PU3JWFZALIVROKWSTQQURTPU43","bundle":"https://pith.science/pith/PU3JWFZALIVROKWSTQQURTPU43/bundle.json","state":"https://pith.science/pith/PU3JWFZALIVROKWSTQQURTPU43/state.json","well_known_bundle":"https://pith.science/.well-known/pith/PU3JWFZALIVROKWSTQQURTPU43/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:PU3JWFZALIVROKWSTQQURTPU43","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":"0f0429efb3bfcb8efe816c6ab9a1b8796d0a34bf283811eed9ebcab13da15b7d","cross_cats_sorted":["nucl-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2013-11-07T01:11:24Z","title_canon_sha256":"ddd2725c7a3926f0f1df9087aadb5d03fcdf12ab8f4e4fadc38e531e7602960e"},"schema_version":"1.0","source":{"id":"1311.1556","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1311.1556","created_at":"2026-05-18T02:49:31Z"},{"alias_kind":"arxiv_version","alias_value":"1311.1556v3","created_at":"2026-05-18T02:49:31Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1311.1556","created_at":"2026-05-18T02:49:31Z"},{"alias_kind":"pith_short_12","alias_value":"PU3JWFZALIVR","created_at":"2026-05-18T12:27:57Z"},{"alias_kind":"pith_short_16","alias_value":"PU3JWFZALIVROKWS","created_at":"2026-05-18T12:27:57Z"},{"alias_kind":"pith_short_8","alias_value":"PU3JWFZA","created_at":"2026-05-18T12:27:57Z"}],"graph_snapshots":[{"event_id":"sha256:a6d7f24f5813c4ac4e1ca79bbb0e36e4298310458743f8d393bd04b2301bb0ff","target":"graph","created_at":"2026-05-18T02:49:31Z","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":"In reviewing the data that has accumulated in light nuclei we find that the binding energy plays a critical role in describing the variation in energy of $s$ states relative to other states. The behavior of states with zero angular momentum within a few MeV of threshold is qualitatively different from that of neutron states with any other $\\ell$ value or of any proton state. This observation is explored for simple Woods-Saxon potentials and is remarkably successful in describing a wealth of experimental data for nuclei with neutron numbers between 5 and 10. The lingering of neutron $s$ states ","authors_text":"B. P. Kay, C. R. Hoffman, J. P. Schiffer","cross_cats":["nucl-th"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2013-11-07T01:11:24Z","title":"Neutral $s$ States in Loosely Bound Nuclei"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1311.1556","kind":"arxiv","version":3},"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":"sha256:017d94bec4481722f5cc126a4c13ebb6dcefaaf7b880616d63260df607ee62f5","target":"record","created_at":"2026-05-18T02:49:31Z","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":"0f0429efb3bfcb8efe816c6ab9a1b8796d0a34bf283811eed9ebcab13da15b7d","cross_cats_sorted":["nucl-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2013-11-07T01:11:24Z","title_canon_sha256":"ddd2725c7a3926f0f1df9087aadb5d03fcdf12ab8f4e4fadc38e531e7602960e"},"schema_version":"1.0","source":{"id":"1311.1556","kind":"arxiv","version":3}},"canonical_sha256":"7d369b17205a2b172ad29c2148cdf4e6efee7d0ad2070ec8954b01e6b8b7bc6f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7d369b17205a2b172ad29c2148cdf4e6efee7d0ad2070ec8954b01e6b8b7bc6f","first_computed_at":"2026-05-18T02:49:31.690673Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:49:31.690673Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"TmjjgNCJ6I6lm/873MrVd9Ooh9KnUIEoa4F+XHsyrQsUam7LlcPVjj74WBRM05/OpggZ664jsBKgrQVfjtIzCw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:49:31.691113Z","signed_message":"canonical_sha256_bytes"},"source_id":"1311.1556","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:017d94bec4481722f5cc126a4c13ebb6dcefaaf7b880616d63260df607ee62f5","sha256:a6d7f24f5813c4ac4e1ca79bbb0e36e4298310458743f8d393bd04b2301bb0ff"],"state_sha256":"7d5eca4db011542e62bff3521f86f4006f9c8e950b70f7428ba52aea19bdd5e4"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"214XwUDqINLY+iITDt0RixQihbNOeDNMPyqlLvgg8I5+JnJmK0lDh/JgDA5q6R/4BKrh+X65L0fknqi3VoRRDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-08T15:38:34.024101Z","bundle_sha256":"f94aef505f54b7410d1fccc0142660de12d605049eee6da4f21b63078f4b80e1"}}