{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:EVFXC4H7FNH5N6RU4WSGWRR4MK","short_pith_number":"pith:EVFXC4H7","canonical_record":{"source":{"id":"1204.5502","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2012-04-24T22:03:16Z","cross_cats_sorted":["nucl-th"],"title_canon_sha256":"01fbbb46673afc7bd6acb586249798c06badd0674d7c52060dc2eb0e2fdf6913","abstract_canon_sha256":"305114f7a7f4407f8b705ee26b1b4315f6764ff5df94c479065abca4af4baf88"},"schema_version":"1.0"},"canonical_sha256":"254b7170ff2b4fd6fa34e5a46b463c6282822649d6345fce218440d6db54c87d","source":{"kind":"arxiv","id":"1204.5502","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1204.5502","created_at":"2026-05-18T03:55:23Z"},{"alias_kind":"arxiv_version","alias_value":"1204.5502v1","created_at":"2026-05-18T03:55:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1204.5502","created_at":"2026-05-18T03:55:23Z"},{"alias_kind":"pith_short_12","alias_value":"EVFXC4H7FNH5","created_at":"2026-05-18T12:27:04Z"},{"alias_kind":"pith_short_16","alias_value":"EVFXC4H7FNH5N6RU","created_at":"2026-05-18T12:27:04Z"},{"alias_kind":"pith_short_8","alias_value":"EVFXC4H7","created_at":"2026-05-18T12:27:04Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:EVFXC4H7FNH5N6RU4WSGWRR4MK","target":"record","payload":{"canonical_record":{"source":{"id":"1204.5502","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2012-04-24T22:03:16Z","cross_cats_sorted":["nucl-th"],"title_canon_sha256":"01fbbb46673afc7bd6acb586249798c06badd0674d7c52060dc2eb0e2fdf6913","abstract_canon_sha256":"305114f7a7f4407f8b705ee26b1b4315f6764ff5df94c479065abca4af4baf88"},"schema_version":"1.0"},"canonical_sha256":"254b7170ff2b4fd6fa34e5a46b463c6282822649d6345fce218440d6db54c87d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:55:23.006052Z","signature_b64":"/MBZH40RZnzBfAOGjenUKX2JArY6b/4A3YHWZUcds8WZDpzXSSn/2mi3kSnxd95nubp1exTY8MdQbYUoPIShDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"254b7170ff2b4fd6fa34e5a46b463c6282822649d6345fce218440d6db54c87d","last_reissued_at":"2026-05-18T03:55:23.005360Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:55:23.005360Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1204.5502","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":"2026-05-18T03:55:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fJjwXXLE/PqBhogEyTSLULIoNN4QRGHevHnVogqUJK5CgvQd/YU2Ps8Zrp3RX0PGAKGGMOlmkzjYzHMFhRH8DQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-11T17:40:11.891352Z"},"content_sha256":"fb08b97c705dcb0a1e22619bcac70717b551cf429908ca84b3e166bf76c00f34","schema_version":"1.0","event_id":"sha256:fb08b97c705dcb0a1e22619bcac70717b551cf429908ca84b3e166bf76c00f34"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:EVFXC4H7FNH5N6RU4WSGWRR4MK","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"$N\\bar D $ system: A challenge for $\\bar {\\rm P}$ANDA","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["nucl-th"],"primary_cat":"hep-ph","authors_text":"A. Valcarce, T. F. Carames","submitted_at":"2012-04-24T22:03:16Z","abstract_excerpt":"We study the $N \\bar D$ system by means of a chiral constituent quark model. This model, tuned in the description of the baryon and meson spectra as well as the $NN$ interaction, provides parameter-free predictions for the charm -1 two-hadron systems. The presence of a heavy antiquark makes the interaction rather simple. We have found sharp quark-Pauli effects in some particular channels, generating repulsion, due to lacking degrees of freedom to accommodate the light quarks. Our results point to the existence of an attractive state, the $\\Delta \\bar D^*$ with $(T,S)=(1,5/2)$, presenting a res"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1204.5502","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":"2026-05-18T03:55:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"SFX80yQHr1hVsiNOkfGq5jHjC4+V+0mk0iwCMVf+fPMGmtXsHx2X7AQ8woryH5ne1xlDwsD3ZDSMca1RZYbLAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-11T17:40:11.892097Z"},"content_sha256":"e9b20da3fbe9f94d1839cd574e83138c84dfd7d394f4bc57a93e662d6f585b62","schema_version":"1.0","event_id":"sha256:e9b20da3fbe9f94d1839cd574e83138c84dfd7d394f4bc57a93e662d6f585b62"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/EVFXC4H7FNH5N6RU4WSGWRR4MK/bundle.json","state_url":"https://pith.science/pith/EVFXC4H7FNH5N6RU4WSGWRR4MK/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/EVFXC4H7FNH5N6RU4WSGWRR4MK/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":"2026-06-11T17:40:11Z","links":{"resolver":"https://pith.science/pith/EVFXC4H7FNH5N6RU4WSGWRR4MK","bundle":"https://pith.science/pith/EVFXC4H7FNH5N6RU4WSGWRR4MK/bundle.json","state":"https://pith.science/pith/EVFXC4H7FNH5N6RU4WSGWRR4MK/state.json","well_known_bundle":"https://pith.science/.well-known/pith/EVFXC4H7FNH5N6RU4WSGWRR4MK/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:EVFXC4H7FNH5N6RU4WSGWRR4MK","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":"305114f7a7f4407f8b705ee26b1b4315f6764ff5df94c479065abca4af4baf88","cross_cats_sorted":["nucl-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2012-04-24T22:03:16Z","title_canon_sha256":"01fbbb46673afc7bd6acb586249798c06badd0674d7c52060dc2eb0e2fdf6913"},"schema_version":"1.0","source":{"id":"1204.5502","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1204.5502","created_at":"2026-05-18T03:55:23Z"},{"alias_kind":"arxiv_version","alias_value":"1204.5502v1","created_at":"2026-05-18T03:55:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1204.5502","created_at":"2026-05-18T03:55:23Z"},{"alias_kind":"pith_short_12","alias_value":"EVFXC4H7FNH5","created_at":"2026-05-18T12:27:04Z"},{"alias_kind":"pith_short_16","alias_value":"EVFXC4H7FNH5N6RU","created_at":"2026-05-18T12:27:04Z"},{"alias_kind":"pith_short_8","alias_value":"EVFXC4H7","created_at":"2026-05-18T12:27:04Z"}],"graph_snapshots":[{"event_id":"sha256:e9b20da3fbe9f94d1839cd574e83138c84dfd7d394f4bc57a93e662d6f585b62","target":"graph","created_at":"2026-05-18T03:55:23Z","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 study the $N \\bar D$ system by means of a chiral constituent quark model. This model, tuned in the description of the baryon and meson spectra as well as the $NN$ interaction, provides parameter-free predictions for the charm -1 two-hadron systems. The presence of a heavy antiquark makes the interaction rather simple. We have found sharp quark-Pauli effects in some particular channels, generating repulsion, due to lacking degrees of freedom to accommodate the light quarks. Our results point to the existence of an attractive state, the $\\Delta \\bar D^*$ with $(T,S)=(1,5/2)$, presenting a res","authors_text":"A. Valcarce, T. F. Carames","cross_cats":["nucl-th"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2012-04-24T22:03:16Z","title":"$N\\bar D $ system: A challenge for $\\bar {\\rm P}$ANDA"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1204.5502","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:fb08b97c705dcb0a1e22619bcac70717b551cf429908ca84b3e166bf76c00f34","target":"record","created_at":"2026-05-18T03:55:23Z","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":"305114f7a7f4407f8b705ee26b1b4315f6764ff5df94c479065abca4af4baf88","cross_cats_sorted":["nucl-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2012-04-24T22:03:16Z","title_canon_sha256":"01fbbb46673afc7bd6acb586249798c06badd0674d7c52060dc2eb0e2fdf6913"},"schema_version":"1.0","source":{"id":"1204.5502","kind":"arxiv","version":1}},"canonical_sha256":"254b7170ff2b4fd6fa34e5a46b463c6282822649d6345fce218440d6db54c87d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"254b7170ff2b4fd6fa34e5a46b463c6282822649d6345fce218440d6db54c87d","first_computed_at":"2026-05-18T03:55:23.005360Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:55:23.005360Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"/MBZH40RZnzBfAOGjenUKX2JArY6b/4A3YHWZUcds8WZDpzXSSn/2mi3kSnxd95nubp1exTY8MdQbYUoPIShDw==","signature_status":"signed_v1","signed_at":"2026-05-18T03:55:23.006052Z","signed_message":"canonical_sha256_bytes"},"source_id":"1204.5502","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:fb08b97c705dcb0a1e22619bcac70717b551cf429908ca84b3e166bf76c00f34","sha256:e9b20da3fbe9f94d1839cd574e83138c84dfd7d394f4bc57a93e662d6f585b62"],"state_sha256":"9db82de4bf03cad3ac4749274e9a32111817a8e06489c9ec36ec33427bc031a3"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4YdUlnP3TP8sdBQnTC75xIrlfq6qz5FLee/Bfj2pQ4agP9LcMD+SbrtO1s5DrkogFF3QkMvgy+xkW5zB5o7FAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-11T17:40:11.896955Z","bundle_sha256":"3a57336536fb915cf3b66172d0a4ac5e41e053d08d5085801e31198b1d24df32"}}