{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:D7YK3MDW5UQGSDZBZKJQ6S635T","short_pith_number":"pith:D7YK3MDW","canonical_record":{"source":{"id":"1905.13704","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ex","submitted_at":"2019-05-31T16:31:23Z","cross_cats_sorted":[],"title_canon_sha256":"569a561542189f9b4bddaaedb1ce8b6b14f59c9cec69b71490f03e6132213eed","abstract_canon_sha256":"4461dd5456cb5a951d3b59ae3d2c834956f726571303f58f6ba965fc55418c64"},"schema_version":"1.0"},"canonical_sha256":"1ff0adb076ed20690f21ca930f4bdbeccf4aeb09d9b07588fca17119fa2d4765","source":{"kind":"arxiv","id":"1905.13704","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1905.13704","created_at":"2026-07-05T00:02:50Z"},{"alias_kind":"arxiv_version","alias_value":"1905.13704v2","created_at":"2026-07-05T00:02:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1905.13704","created_at":"2026-07-05T00:02:50Z"},{"alias_kind":"pith_short_12","alias_value":"D7YK3MDW5UQG","created_at":"2026-07-05T00:02:50Z"},{"alias_kind":"pith_short_16","alias_value":"D7YK3MDW5UQGSDZB","created_at":"2026-07-05T00:02:50Z"},{"alias_kind":"pith_short_8","alias_value":"D7YK3MDW","created_at":"2026-07-05T00:02:50Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:D7YK3MDW5UQGSDZBZKJQ6S635T","target":"record","payload":{"canonical_record":{"source":{"id":"1905.13704","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ex","submitted_at":"2019-05-31T16:31:23Z","cross_cats_sorted":[],"title_canon_sha256":"569a561542189f9b4bddaaedb1ce8b6b14f59c9cec69b71490f03e6132213eed","abstract_canon_sha256":"4461dd5456cb5a951d3b59ae3d2c834956f726571303f58f6ba965fc55418c64"},"schema_version":"1.0"},"canonical_sha256":"1ff0adb076ed20690f21ca930f4bdbeccf4aeb09d9b07588fca17119fa2d4765","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:02:50.254349Z","signature_b64":"k/84Fa6Hne7Uj3Oex0jMfV35pVQql6+1lmwgCDXvX2YpSlqHvcNM9mY2aOFPObe0eAFkCYTnos15h0EfL47ZCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1ff0adb076ed20690f21ca930f4bdbeccf4aeb09d9b07588fca17119fa2d4765","last_reissued_at":"2026-07-05T00:02:50.253795Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:02:50.253795Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1905.13704","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":"2026-07-05T00:02:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fkGSQ6CzPmwt7ywQx8J7hhCk6jBMDJzANI9pWSJ1JaD8UYlx46LvFfBd1LiySVGvnO8Om8jT2YuTe9fp17QcDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-15T08:13:26.455593Z"},"content_sha256":"9c01b12caba43d2c0849ad09425b5cb8c90e2e02a0be7e7f9be6d5ed76f077b8","schema_version":"1.0","event_id":"sha256:9c01b12caba43d2c0849ad09425b5cb8c90e2e02a0be7e7f9be6d5ed76f077b8"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:D7YK3MDW5UQGSDZBZKJQ6S635T","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Properties of $Z_c^{\\pm}(3900)$ produced in $p \\bar p$ collision","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ex","authors_text":"D0 Collaboration","submitted_at":"2019-05-31T16:31:23Z","abstract_excerpt":"We study the production of the exotic charged charmonium-like state $Z_c^{\\pm}(3900)$ in $p \\bar p$ collisions through the sequential process $\\psi(4260) \\rightarrow Z_c^{\\pm}(3900) \\pi^{\\mp}$, $Z_c^{\\pm}(3900) \\rightarrow J/\\psi \\pi^{\\pm}$. Using the subsample of candidates originating from semi-inclusive weak decays of $b$-flavored hadrons, we measure the invariant mass and natural width to be $M=3902.6^{+5.2}_{-5.0}{\\rm \\thinspace (stat)}^{+3.3}_{-1.4}{\\rm \\thinspace (syst)}$ MeV and $\\Gamma=32 ^{+28}_{-21}{\\rm \\thinspace (stat)} ^{+26}_{-7}{\\rm \\thinspace (syst)}$ MeV, respectively. We sea"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1905.13704","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/1905.13704/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T00:02:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"srLtn3IylIOS4F03iAEM5oraKy+I3fhWyQBDrTkGPYXwOoFjhMwR2sLEOqoZhpFDxfBgJ7N0kpx3OLfJcDM5DA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-15T08:13:26.456075Z"},"content_sha256":"32a8049695d56490ff625fdf6acd1632a631abe1d106cd9524d07d99e902cff6","schema_version":"1.0","event_id":"sha256:32a8049695d56490ff625fdf6acd1632a631abe1d106cd9524d07d99e902cff6"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/D7YK3MDW5UQGSDZBZKJQ6S635T/bundle.json","state_url":"https://pith.science/pith/D7YK3MDW5UQGSDZBZKJQ6S635T/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/D7YK3MDW5UQGSDZBZKJQ6S635T/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":"2026-08-15T08:13:26Z","links":{"resolver":"https://pith.science/pith/D7YK3MDW5UQGSDZBZKJQ6S635T","bundle":"https://pith.science/pith/D7YK3MDW5UQGSDZBZKJQ6S635T/bundle.json","state":"https://pith.science/pith/D7YK3MDW5UQGSDZBZKJQ6S635T/state.json","well_known_bundle":"https://pith.science/.well-known/pith/D7YK3MDW5UQGSDZBZKJQ6S635T/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:D7YK3MDW5UQGSDZBZKJQ6S635T","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":"4461dd5456cb5a951d3b59ae3d2c834956f726571303f58f6ba965fc55418c64","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ex","submitted_at":"2019-05-31T16:31:23Z","title_canon_sha256":"569a561542189f9b4bddaaedb1ce8b6b14f59c9cec69b71490f03e6132213eed"},"schema_version":"1.0","source":{"id":"1905.13704","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1905.13704","created_at":"2026-07-05T00:02:50Z"},{"alias_kind":"arxiv_version","alias_value":"1905.13704v2","created_at":"2026-07-05T00:02:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1905.13704","created_at":"2026-07-05T00:02:50Z"},{"alias_kind":"pith_short_12","alias_value":"D7YK3MDW5UQG","created_at":"2026-07-05T00:02:50Z"},{"alias_kind":"pith_short_16","alias_value":"D7YK3MDW5UQGSDZB","created_at":"2026-07-05T00:02:50Z"},{"alias_kind":"pith_short_8","alias_value":"D7YK3MDW","created_at":"2026-07-05T00:02:50Z"}],"graph_snapshots":[{"event_id":"sha256:32a8049695d56490ff625fdf6acd1632a631abe1d106cd9524d07d99e902cff6","target":"graph","created_at":"2026-07-05T00:02:50Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/1905.13704/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We study the production of the exotic charged charmonium-like state $Z_c^{\\pm}(3900)$ in $p \\bar p$ collisions through the sequential process $\\psi(4260) \\rightarrow Z_c^{\\pm}(3900) \\pi^{\\mp}$, $Z_c^{\\pm}(3900) \\rightarrow J/\\psi \\pi^{\\pm}$. Using the subsample of candidates originating from semi-inclusive weak decays of $b$-flavored hadrons, we measure the invariant mass and natural width to be $M=3902.6^{+5.2}_{-5.0}{\\rm \\thinspace (stat)}^{+3.3}_{-1.4}{\\rm \\thinspace (syst)}$ MeV and $\\Gamma=32 ^{+28}_{-21}{\\rm \\thinspace (stat)} ^{+26}_{-7}{\\rm \\thinspace (syst)}$ MeV, respectively. We sea","authors_text":"D0 Collaboration","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ex","submitted_at":"2019-05-31T16:31:23Z","title":"Properties of $Z_c^{\\pm}(3900)$ produced in $p \\bar p$ collision"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1905.13704","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":"sha256:9c01b12caba43d2c0849ad09425b5cb8c90e2e02a0be7e7f9be6d5ed76f077b8","target":"record","created_at":"2026-07-05T00:02:50Z","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":"4461dd5456cb5a951d3b59ae3d2c834956f726571303f58f6ba965fc55418c64","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ex","submitted_at":"2019-05-31T16:31:23Z","title_canon_sha256":"569a561542189f9b4bddaaedb1ce8b6b14f59c9cec69b71490f03e6132213eed"},"schema_version":"1.0","source":{"id":"1905.13704","kind":"arxiv","version":2}},"canonical_sha256":"1ff0adb076ed20690f21ca930f4bdbeccf4aeb09d9b07588fca17119fa2d4765","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1ff0adb076ed20690f21ca930f4bdbeccf4aeb09d9b07588fca17119fa2d4765","first_computed_at":"2026-07-05T00:02:50.253795Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T00:02:50.253795Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"k/84Fa6Hne7Uj3Oex0jMfV35pVQql6+1lmwgCDXvX2YpSlqHvcNM9mY2aOFPObe0eAFkCYTnos15h0EfL47ZCw==","signature_status":"signed_v1","signed_at":"2026-07-05T00:02:50.254349Z","signed_message":"canonical_sha256_bytes"},"source_id":"1905.13704","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9c01b12caba43d2c0849ad09425b5cb8c90e2e02a0be7e7f9be6d5ed76f077b8","sha256:32a8049695d56490ff625fdf6acd1632a631abe1d106cd9524d07d99e902cff6"],"state_sha256":"c401e56fa6f6cbfee9f28e1564c170a2089eae4d83879e39c059d03691973e72"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/mjM03EDGuRCJuCYSsoKWiBkVobqWvbTEaDe7I4LQPzlSfdiaq2e01trQTo6qubu5k73VBPRl7PkljYO12x+DA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-15T08:13:26.459165Z","bundle_sha256":"d94c666561c8bc05c4ae49a1b9e59297f1d6f1aa00e320bc1c865996a448c7d0"}}