{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:MGBS443V3PZ2T5267SXGSLOFTH","short_pith_number":"pith:MGBS443V","canonical_record":{"source":{"id":"1510.06271","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2015-10-21T14:26:01Z","cross_cats_sorted":["hep-ex","nucl-th"],"title_canon_sha256":"0cac2e2230fd52f06d96c36100765207edafe3a7e4d1156e80b40f562aa3d4c9","abstract_canon_sha256":"03bc27b2526f4f03931d69ec4ec079b100d856fa75cd892b705b833c98d5bb56"},"schema_version":"1.0"},"canonical_sha256":"61832e7375dbf3a9f75efcae692dc599d35501fda52456e9454a985c3300b9f5","source":{"kind":"arxiv","id":"1510.06271","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1510.06271","created_at":"2026-05-18T01:09:45Z"},{"alias_kind":"arxiv_version","alias_value":"1510.06271v3","created_at":"2026-05-18T01:09:45Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1510.06271","created_at":"2026-05-18T01:09:45Z"},{"alias_kind":"pith_short_12","alias_value":"MGBS443V3PZ2","created_at":"2026-05-18T12:29:32Z"},{"alias_kind":"pith_short_16","alias_value":"MGBS443V3PZ2T526","created_at":"2026-05-18T12:29:32Z"},{"alias_kind":"pith_short_8","alias_value":"MGBS443V","created_at":"2026-05-18T12:29:32Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:MGBS443V3PZ2T5267SXGSLOFTH","target":"record","payload":{"canonical_record":{"source":{"id":"1510.06271","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2015-10-21T14:26:01Z","cross_cats_sorted":["hep-ex","nucl-th"],"title_canon_sha256":"0cac2e2230fd52f06d96c36100765207edafe3a7e4d1156e80b40f562aa3d4c9","abstract_canon_sha256":"03bc27b2526f4f03931d69ec4ec079b100d856fa75cd892b705b833c98d5bb56"},"schema_version":"1.0"},"canonical_sha256":"61832e7375dbf3a9f75efcae692dc599d35501fda52456e9454a985c3300b9f5","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:09:45.799251Z","signature_b64":"sma65k1jLe91sQAGbE3GdI1WjrpniYkIEZNUHBMmWhueVCEa38F4EfbKf9KFZKW7LrOGZ9AahD22gPot84D2DQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"61832e7375dbf3a9f75efcae692dc599d35501fda52456e9454a985c3300b9f5","last_reissued_at":"2026-05-18T01:09:45.798645Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:09:45.798645Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1510.06271","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":"2026-05-18T01:09:45Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"pKK4+J5+cHmhMCOlV3jIRavRvRi36U0kV5uCB81p3nKOopWTO7yQWRS3/V7ZbkVGk6qj8mA+FYInQ9axmni9BQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-19T12:33:27.553392Z"},"content_sha256":"bf022083c34c11fd57b7f62ff6f13f229bf0f7f40abbe9aa20828679af2d9484","schema_version":"1.0","event_id":"sha256:bf022083c34c11fd57b7f62ff6f13f229bf0f7f40abbe9aa20828679af2d9484"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:MGBS443V3PZ2T5267SXGSLOFTH","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Neutral hidden charm pentaquark states $P_c^0(4380)$ and $P_c^0(4450)$ in $\\pi^-p \\to J/\\psi n$ reaction","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ex","nucl-th"],"primary_cat":"hep-ph","authors_text":"Ju-Jun Xie, Qi-Fang L\\\"u, Xiao-Yun Wang, Xu-Rong Chen, Yu-bing Dong","submitted_at":"2015-10-21T14:26:01Z","abstract_excerpt":"We investigate the neutral hidden charm pentaquark states $P_c^0(4380)$ and $P_c^0(4450)$ in $\\pi^-p \\to J/\\psi n$ reaction within an effective Lagrangian approach. The background contributions for the process mainly come from $t$-channel $\\pi$ and $\\rho$ meson exchanges. The contributions of $P_c^0(4380)$ and $P_c^0(4450)$ states give clear peak structures in the magnitude of 1 $\\mu$b at center of mass energy 4.38 GeV and 4.45 GeV in the total cross sections. Hence, this reaction may provide a new good platform to search for neutral $P_c$ states. It is expected that our estimated total cross "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1510.06271","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":"2026-05-18T01:09:45Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9PVwwj+HDQwSPML4EWDea8MTyBpDWlnh3odtAk2PI7P1jjEc5cUqQ7cooRZfZtFGAFrHrwQbrrI1PNSeQoXnBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-19T12:33:27.553761Z"},"content_sha256":"5fe04da27105ce0f5f00fc630933560c0baa3baf67aaf233a7f4b1f3f7cf4c47","schema_version":"1.0","event_id":"sha256:5fe04da27105ce0f5f00fc630933560c0baa3baf67aaf233a7f4b1f3f7cf4c47"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/MGBS443V3PZ2T5267SXGSLOFTH/bundle.json","state_url":"https://pith.science/pith/MGBS443V3PZ2T5267SXGSLOFTH/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/MGBS443V3PZ2T5267SXGSLOFTH/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":"2026-05-19T12:33:27Z","links":{"resolver":"https://pith.science/pith/MGBS443V3PZ2T5267SXGSLOFTH","bundle":"https://pith.science/pith/MGBS443V3PZ2T5267SXGSLOFTH/bundle.json","state":"https://pith.science/pith/MGBS443V3PZ2T5267SXGSLOFTH/state.json","well_known_bundle":"https://pith.science/.well-known/pith/MGBS443V3PZ2T5267SXGSLOFTH/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:MGBS443V3PZ2T5267SXGSLOFTH","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":"03bc27b2526f4f03931d69ec4ec079b100d856fa75cd892b705b833c98d5bb56","cross_cats_sorted":["hep-ex","nucl-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2015-10-21T14:26:01Z","title_canon_sha256":"0cac2e2230fd52f06d96c36100765207edafe3a7e4d1156e80b40f562aa3d4c9"},"schema_version":"1.0","source":{"id":"1510.06271","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1510.06271","created_at":"2026-05-18T01:09:45Z"},{"alias_kind":"arxiv_version","alias_value":"1510.06271v3","created_at":"2026-05-18T01:09:45Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1510.06271","created_at":"2026-05-18T01:09:45Z"},{"alias_kind":"pith_short_12","alias_value":"MGBS443V3PZ2","created_at":"2026-05-18T12:29:32Z"},{"alias_kind":"pith_short_16","alias_value":"MGBS443V3PZ2T526","created_at":"2026-05-18T12:29:32Z"},{"alias_kind":"pith_short_8","alias_value":"MGBS443V","created_at":"2026-05-18T12:29:32Z"}],"graph_snapshots":[{"event_id":"sha256:5fe04da27105ce0f5f00fc630933560c0baa3baf67aaf233a7f4b1f3f7cf4c47","target":"graph","created_at":"2026-05-18T01:09:45Z","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 investigate the neutral hidden charm pentaquark states $P_c^0(4380)$ and $P_c^0(4450)$ in $\\pi^-p \\to J/\\psi n$ reaction within an effective Lagrangian approach. The background contributions for the process mainly come from $t$-channel $\\pi$ and $\\rho$ meson exchanges. The contributions of $P_c^0(4380)$ and $P_c^0(4450)$ states give clear peak structures in the magnitude of 1 $\\mu$b at center of mass energy 4.38 GeV and 4.45 GeV in the total cross sections. Hence, this reaction may provide a new good platform to search for neutral $P_c$ states. It is expected that our estimated total cross ","authors_text":"Ju-Jun Xie, Qi-Fang L\\\"u, Xiao-Yun Wang, Xu-Rong Chen, Yu-bing Dong","cross_cats":["hep-ex","nucl-th"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2015-10-21T14:26:01Z","title":"Neutral hidden charm pentaquark states $P_c^0(4380)$ and $P_c^0(4450)$ in $\\pi^-p \\to J/\\psi n$ reaction"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1510.06271","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:bf022083c34c11fd57b7f62ff6f13f229bf0f7f40abbe9aa20828679af2d9484","target":"record","created_at":"2026-05-18T01:09:45Z","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":"03bc27b2526f4f03931d69ec4ec079b100d856fa75cd892b705b833c98d5bb56","cross_cats_sorted":["hep-ex","nucl-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2015-10-21T14:26:01Z","title_canon_sha256":"0cac2e2230fd52f06d96c36100765207edafe3a7e4d1156e80b40f562aa3d4c9"},"schema_version":"1.0","source":{"id":"1510.06271","kind":"arxiv","version":3}},"canonical_sha256":"61832e7375dbf3a9f75efcae692dc599d35501fda52456e9454a985c3300b9f5","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"61832e7375dbf3a9f75efcae692dc599d35501fda52456e9454a985c3300b9f5","first_computed_at":"2026-05-18T01:09:45.798645Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:09:45.798645Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"sma65k1jLe91sQAGbE3GdI1WjrpniYkIEZNUHBMmWhueVCEa38F4EfbKf9KFZKW7LrOGZ9AahD22gPot84D2DQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:09:45.799251Z","signed_message":"canonical_sha256_bytes"},"source_id":"1510.06271","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:bf022083c34c11fd57b7f62ff6f13f229bf0f7f40abbe9aa20828679af2d9484","sha256:5fe04da27105ce0f5f00fc630933560c0baa3baf67aaf233a7f4b1f3f7cf4c47"],"state_sha256":"bc28789710bab64655e7427d426a9f7f9730ad93c6cc172860cfb004a747f8cd"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"quYsa7DFNIPG16pMJ9a2SVsSMUJiyXFkWcTC2jKu/sWd0Z33vKDtQ15RXhx5q9nXmgd5NL7ossHqMqAQ9tgqCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-19T12:33:27.555558Z","bundle_sha256":"81582a6b7b0bd18b35a4d6e74f5207ba528fccd89cee18574d7879c20ff11bc6"}}