{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:BDS7OWZOPLXXNOIXFWXE4EUNCU","short_pith_number":"pith:BDS7OWZO","canonical_record":{"source":{"id":"1101.0453","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2011-01-03T04:21:38Z","cross_cats_sorted":["hep-ph"],"title_canon_sha256":"771ad44fd159136fe8d967eea1c89052ebcdecf1a690ce665d7aaf5766c33288","abstract_canon_sha256":"da6f4ae6d4a282fce68f061939dc065d048e059ee63cb18f088b68ababf8d85a"},"schema_version":"1.0"},"canonical_sha256":"08e5f75b2e7aef76b9172dae4e128d152326f977f04cbe928e7dc341336d4534","source":{"kind":"arxiv","id":"1101.0453","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1101.0453","created_at":"2026-05-18T03:25:16Z"},{"alias_kind":"arxiv_version","alias_value":"1101.0453v2","created_at":"2026-05-18T03:25:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1101.0453","created_at":"2026-05-18T03:25:16Z"},{"alias_kind":"pith_short_12","alias_value":"BDS7OWZOPLXX","created_at":"2026-05-18T12:26:24Z"},{"alias_kind":"pith_short_16","alias_value":"BDS7OWZOPLXXNOIX","created_at":"2026-05-18T12:26:24Z"},{"alias_kind":"pith_short_8","alias_value":"BDS7OWZO","created_at":"2026-05-18T12:26:24Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:BDS7OWZOPLXXNOIXFWXE4EUNCU","target":"record","payload":{"canonical_record":{"source":{"id":"1101.0453","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2011-01-03T04:21:38Z","cross_cats_sorted":["hep-ph"],"title_canon_sha256":"771ad44fd159136fe8d967eea1c89052ebcdecf1a690ce665d7aaf5766c33288","abstract_canon_sha256":"da6f4ae6d4a282fce68f061939dc065d048e059ee63cb18f088b68ababf8d85a"},"schema_version":"1.0"},"canonical_sha256":"08e5f75b2e7aef76b9172dae4e128d152326f977f04cbe928e7dc341336d4534","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:25:16.453618Z","signature_b64":"0gsxb5PBHwxFfIXzFQx84f4G0ll+g1W4XmKaD5+I4q9LWMUdlhQ6kTlRIW2vnzKMREkQkoFQDVk58sJVm8uFCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"08e5f75b2e7aef76b9172dae4e128d152326f977f04cbe928e7dc341336d4534","last_reissued_at":"2026-05-18T03:25:16.453019Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:25:16.453019Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1101.0453","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T03:25:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vK3ypDE7Wai7HCHdOfzKAJ1ylsVkVBYvkzcfL/3tndR8NuxQC4edrK1i0unjLsTvj8BtUNIG7TaFXbE8o5v+BQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-24T00:46:52.713074Z"},"content_sha256":"04f046ffc12cabe21a6c6214edd69e1156610aa6a599159be20fa50b46a2cc21","schema_version":"1.0","event_id":"sha256:04f046ffc12cabe21a6c6214edd69e1156610aa6a599159be20fa50b46a2cc21"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:BDS7OWZOPLXXNOIXFWXE4EUNCU","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Sigma_c Dbar and Lambda_c Dbar states in a chiral quark model","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ph"],"primary_cat":"nucl-th","authors_text":"B.S. Zou, F. Huang, W.L. Wang, Z.Y. Zhang","submitted_at":"2011-01-03T04:21:38Z","abstract_excerpt":"The S-wave Sigma_c Dbar and Lambda_c Dbar states with isospin I=1/2 and spin S=1/2 are dynamically investigated within the framework of a chiral constituent quark model by solving a resonating group method (RGM) equation. The results show that the interaction between Sigma_c and Dbar is attractive, which consequently results in a Sigma_c Dbar bound state with the binding energy of about 5-42 MeV, unlike the case of Lambda_c Dbar state, which has a repulsive interaction and thus is unbound. The channel coupling effect of Sigma_c Dbar and Lambda_c Dbar is found to be negligible due to the fact t"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1101.0453","kind":"arxiv","version":2},"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":"2026-05-18T03:25:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zLgnRALGpk/TeE9eoEU0l57JGo2bxDXviCe9NCOcoUjElVcx0chsnTvCzLu0IVE7wBX33+EcQXC9ulHd0jbUAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-24T00:46:52.713847Z"},"content_sha256":"8abd89e1059145769c4aee53f4f535e9c77cc25311e2d049d4e2dd5efe4503f5","schema_version":"1.0","event_id":"sha256:8abd89e1059145769c4aee53f4f535e9c77cc25311e2d049d4e2dd5efe4503f5"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/BDS7OWZOPLXXNOIXFWXE4EUNCU/bundle.json","state_url":"https://pith.science/pith/BDS7OWZOPLXXNOIXFWXE4EUNCU/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/BDS7OWZOPLXXNOIXFWXE4EUNCU/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":"2026-05-24T00:46:52Z","links":{"resolver":"https://pith.science/pith/BDS7OWZOPLXXNOIXFWXE4EUNCU","bundle":"https://pith.science/pith/BDS7OWZOPLXXNOIXFWXE4EUNCU/bundle.json","state":"https://pith.science/pith/BDS7OWZOPLXXNOIXFWXE4EUNCU/state.json","well_known_bundle":"https://pith.science/.well-known/pith/BDS7OWZOPLXXNOIXFWXE4EUNCU/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:BDS7OWZOPLXXNOIXFWXE4EUNCU","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":"da6f4ae6d4a282fce68f061939dc065d048e059ee63cb18f088b68ababf8d85a","cross_cats_sorted":["hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2011-01-03T04:21:38Z","title_canon_sha256":"771ad44fd159136fe8d967eea1c89052ebcdecf1a690ce665d7aaf5766c33288"},"schema_version":"1.0","source":{"id":"1101.0453","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1101.0453","created_at":"2026-05-18T03:25:16Z"},{"alias_kind":"arxiv_version","alias_value":"1101.0453v2","created_at":"2026-05-18T03:25:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1101.0453","created_at":"2026-05-18T03:25:16Z"},{"alias_kind":"pith_short_12","alias_value":"BDS7OWZOPLXX","created_at":"2026-05-18T12:26:24Z"},{"alias_kind":"pith_short_16","alias_value":"BDS7OWZOPLXXNOIX","created_at":"2026-05-18T12:26:24Z"},{"alias_kind":"pith_short_8","alias_value":"BDS7OWZO","created_at":"2026-05-18T12:26:24Z"}],"graph_snapshots":[{"event_id":"sha256:8abd89e1059145769c4aee53f4f535e9c77cc25311e2d049d4e2dd5efe4503f5","target":"graph","created_at":"2026-05-18T03:25:16Z","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":"The S-wave Sigma_c Dbar and Lambda_c Dbar states with isospin I=1/2 and spin S=1/2 are dynamically investigated within the framework of a chiral constituent quark model by solving a resonating group method (RGM) equation. The results show that the interaction between Sigma_c and Dbar is attractive, which consequently results in a Sigma_c Dbar bound state with the binding energy of about 5-42 MeV, unlike the case of Lambda_c Dbar state, which has a repulsive interaction and thus is unbound. The channel coupling effect of Sigma_c Dbar and Lambda_c Dbar is found to be negligible due to the fact t","authors_text":"B.S. Zou, F. Huang, W.L. Wang, Z.Y. Zhang","cross_cats":["hep-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2011-01-03T04:21:38Z","title":"Sigma_c Dbar and Lambda_c Dbar states in a chiral quark model"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1101.0453","kind":"arxiv","version":2},"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":"sha256:04f046ffc12cabe21a6c6214edd69e1156610aa6a599159be20fa50b46a2cc21","target":"record","created_at":"2026-05-18T03:25:16Z","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":"da6f4ae6d4a282fce68f061939dc065d048e059ee63cb18f088b68ababf8d85a","cross_cats_sorted":["hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2011-01-03T04:21:38Z","title_canon_sha256":"771ad44fd159136fe8d967eea1c89052ebcdecf1a690ce665d7aaf5766c33288"},"schema_version":"1.0","source":{"id":"1101.0453","kind":"arxiv","version":2}},"canonical_sha256":"08e5f75b2e7aef76b9172dae4e128d152326f977f04cbe928e7dc341336d4534","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"08e5f75b2e7aef76b9172dae4e128d152326f977f04cbe928e7dc341336d4534","first_computed_at":"2026-05-18T03:25:16.453019Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:25:16.453019Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"0gsxb5PBHwxFfIXzFQx84f4G0ll+g1W4XmKaD5+I4q9LWMUdlhQ6kTlRIW2vnzKMREkQkoFQDVk58sJVm8uFCA==","signature_status":"signed_v1","signed_at":"2026-05-18T03:25:16.453618Z","signed_message":"canonical_sha256_bytes"},"source_id":"1101.0453","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:04f046ffc12cabe21a6c6214edd69e1156610aa6a599159be20fa50b46a2cc21","sha256:8abd89e1059145769c4aee53f4f535e9c77cc25311e2d049d4e2dd5efe4503f5"],"state_sha256":"f576c039b34ded74c4fb124004734959b03f774aef203da389e577e6c066a3e1"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"DDgco93r5ysG4fioqTVP08qpU7xIh4QnTY0GYe0eqf8UJMpDV7j7xzdxhp6bt7s5UoXlvbWxbXQmVyGtbAhVBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-24T00:46:52.717908Z","bundle_sha256":"2499d507fd576292e7839105bf8cd6379d2d9baaa94ca0df8f7ea08bc2ffb5d6"}}