{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:2LDS34KYY43PTNIK6SZQK4CELF","short_pith_number":"pith:2LDS34KY","canonical_record":{"source":{"id":"1903.01207","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2019-03-04T12:30:47Z","cross_cats_sorted":[],"title_canon_sha256":"1db0b722002fd82aa8d88e8bd2d60acb39d41bc6ec929f959353fe0485bba748","abstract_canon_sha256":"7377090c84e1c732c4d20211d9dedb01ea2d0edf88329ce2656ef3aede8d3615"},"schema_version":"1.0"},"canonical_sha256":"d2c72df158c736f9b50af4b3057044596019de8f2709edda8133e7075cf6f190","source":{"kind":"arxiv","id":"1903.01207","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1903.01207","created_at":"2026-05-17T23:52:09Z"},{"alias_kind":"arxiv_version","alias_value":"1903.01207v1","created_at":"2026-05-17T23:52:09Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1903.01207","created_at":"2026-05-17T23:52:09Z"},{"alias_kind":"pith_short_12","alias_value":"2LDS34KYY43P","created_at":"2026-05-18T12:33:07Z"},{"alias_kind":"pith_short_16","alias_value":"2LDS34KYY43PTNIK","created_at":"2026-05-18T12:33:07Z"},{"alias_kind":"pith_short_8","alias_value":"2LDS34KY","created_at":"2026-05-18T12:33:07Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:2LDS34KYY43PTNIK6SZQK4CELF","target":"record","payload":{"canonical_record":{"source":{"id":"1903.01207","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2019-03-04T12:30:47Z","cross_cats_sorted":[],"title_canon_sha256":"1db0b722002fd82aa8d88e8bd2d60acb39d41bc6ec929f959353fe0485bba748","abstract_canon_sha256":"7377090c84e1c732c4d20211d9dedb01ea2d0edf88329ce2656ef3aede8d3615"},"schema_version":"1.0"},"canonical_sha256":"d2c72df158c736f9b50af4b3057044596019de8f2709edda8133e7075cf6f190","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:52:09.852405Z","signature_b64":"pNlUGxAVDbWfbA3+f2P4TK05AbRsB7GVD1kO5p/T+ecoK0hZ6dUwvgtFLotIY9/gMpbZymS2Q9mFrZJF8Kp2Cg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d2c72df158c736f9b50af4b3057044596019de8f2709edda8133e7075cf6f190","last_reissued_at":"2026-05-17T23:52:09.851651Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:52:09.851651Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1903.01207","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":"2026-05-17T23:52:09Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9p/enjW5zeV2IrasTuw0+yTn+R0QaaUBaqyytnOT1toF+bbZ4iNGKlzuYc87YX1ur+4QrPx6gmFVXFoaxdesCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-22T07:07:40.381099Z"},"content_sha256":"b013cc88fcf0fdfefc21a5dc8c8211ca7764357ea6036b3439bd013240772faf","schema_version":"1.0","event_id":"sha256:b013cc88fcf0fdfefc21a5dc8c8211ca7764357ea6036b3439bd013240772faf"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:2LDS34KYY43PTNIK6SZQK4CELF","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Possible $S$-wave $ND^{(*)}$ and $N\\bar B^{(*)}$ bound states in a chiral quark model","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"nucl-th","authors_text":"Dan Yang, Dan Zhang, Kanzo Nakayama, Xiao-Fei Wang","submitted_at":"2019-03-04T12:30:47Z","abstract_excerpt":"$S$-wave bound-states composed of a nucleon($N$) and a heavy meson ($D$, $D^*$, $\\bar{B}$ or $\\bar{B}^*$) are investigated in both the chiral SU(3) quark model and the extended chiral SU(3) quark model by solving the resonating group method equation. The results reveal that the $ND$ and $ND^*$ interactions in the corresponding relative $S$-wave states are attractive, arising mainly from one boson exchange processes between light quarks. It is shown that these attractions are strong enough to form six $ND$ and $ND^*$ $S$-wave bound states in the extended chiral SU(3) quark model with the bindin"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1903.01207","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":"2026-05-17T23:52:09Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RwVMGac8WN+Rpbr0j5JpcQJs5NNfmpuM1xudH3IrG6zgP3GtCVVEviHouCBur6Apa/8ZWETyhHKCa2D9NJuCAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-22T07:07:40.381763Z"},"content_sha256":"37439f5990200ef45a6f6e33be3ec68dd150d3f0dec3b988e81d5487933894a4","schema_version":"1.0","event_id":"sha256:37439f5990200ef45a6f6e33be3ec68dd150d3f0dec3b988e81d5487933894a4"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/2LDS34KYY43PTNIK6SZQK4CELF/bundle.json","state_url":"https://pith.science/pith/2LDS34KYY43PTNIK6SZQK4CELF/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/2LDS34KYY43PTNIK6SZQK4CELF/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":"2026-05-22T07:07:40Z","links":{"resolver":"https://pith.science/pith/2LDS34KYY43PTNIK6SZQK4CELF","bundle":"https://pith.science/pith/2LDS34KYY43PTNIK6SZQK4CELF/bundle.json","state":"https://pith.science/pith/2LDS34KYY43PTNIK6SZQK4CELF/state.json","well_known_bundle":"https://pith.science/.well-known/pith/2LDS34KYY43PTNIK6SZQK4CELF/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:2LDS34KYY43PTNIK6SZQK4CELF","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":"7377090c84e1c732c4d20211d9dedb01ea2d0edf88329ce2656ef3aede8d3615","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2019-03-04T12:30:47Z","title_canon_sha256":"1db0b722002fd82aa8d88e8bd2d60acb39d41bc6ec929f959353fe0485bba748"},"schema_version":"1.0","source":{"id":"1903.01207","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1903.01207","created_at":"2026-05-17T23:52:09Z"},{"alias_kind":"arxiv_version","alias_value":"1903.01207v1","created_at":"2026-05-17T23:52:09Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1903.01207","created_at":"2026-05-17T23:52:09Z"},{"alias_kind":"pith_short_12","alias_value":"2LDS34KYY43P","created_at":"2026-05-18T12:33:07Z"},{"alias_kind":"pith_short_16","alias_value":"2LDS34KYY43PTNIK","created_at":"2026-05-18T12:33:07Z"},{"alias_kind":"pith_short_8","alias_value":"2LDS34KY","created_at":"2026-05-18T12:33:07Z"}],"graph_snapshots":[{"event_id":"sha256:37439f5990200ef45a6f6e33be3ec68dd150d3f0dec3b988e81d5487933894a4","target":"graph","created_at":"2026-05-17T23:52:09Z","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":"$S$-wave bound-states composed of a nucleon($N$) and a heavy meson ($D$, $D^*$, $\\bar{B}$ or $\\bar{B}^*$) are investigated in both the chiral SU(3) quark model and the extended chiral SU(3) quark model by solving the resonating group method equation. The results reveal that the $ND$ and $ND^*$ interactions in the corresponding relative $S$-wave states are attractive, arising mainly from one boson exchange processes between light quarks. It is shown that these attractions are strong enough to form six $ND$ and $ND^*$ $S$-wave bound states in the extended chiral SU(3) quark model with the bindin","authors_text":"Dan Yang, Dan Zhang, Kanzo Nakayama, Xiao-Fei Wang","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2019-03-04T12:30:47Z","title":"Possible $S$-wave $ND^{(*)}$ and $N\\bar B^{(*)}$ bound states in a chiral quark model"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1903.01207","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:b013cc88fcf0fdfefc21a5dc8c8211ca7764357ea6036b3439bd013240772faf","target":"record","created_at":"2026-05-17T23:52:09Z","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":"7377090c84e1c732c4d20211d9dedb01ea2d0edf88329ce2656ef3aede8d3615","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2019-03-04T12:30:47Z","title_canon_sha256":"1db0b722002fd82aa8d88e8bd2d60acb39d41bc6ec929f959353fe0485bba748"},"schema_version":"1.0","source":{"id":"1903.01207","kind":"arxiv","version":1}},"canonical_sha256":"d2c72df158c736f9b50af4b3057044596019de8f2709edda8133e7075cf6f190","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d2c72df158c736f9b50af4b3057044596019de8f2709edda8133e7075cf6f190","first_computed_at":"2026-05-17T23:52:09.851651Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:52:09.851651Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"pNlUGxAVDbWfbA3+f2P4TK05AbRsB7GVD1kO5p/T+ecoK0hZ6dUwvgtFLotIY9/gMpbZymS2Q9mFrZJF8Kp2Cg==","signature_status":"signed_v1","signed_at":"2026-05-17T23:52:09.852405Z","signed_message":"canonical_sha256_bytes"},"source_id":"1903.01207","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b013cc88fcf0fdfefc21a5dc8c8211ca7764357ea6036b3439bd013240772faf","sha256:37439f5990200ef45a6f6e33be3ec68dd150d3f0dec3b988e81d5487933894a4"],"state_sha256":"cff93bcc73228bb3eef2c0babf3e7efc4608cb5c414b464a2428b7fbdfbcd8c2"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Vz6xtqKieFn4k6SbT/36hIi6EjFbmYtsKNP6Vi+Om1kePkprE+O+Dndnz+0B4HYkjVOdzDiF6FHB3KLO+2L9Aw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-22T07:07:40.385416Z","bundle_sha256":"a049aac466fffff40e604a9a040118daba485013c72b1a814acbdc03b9e79453"}}