{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:3RI7JNR5MQ2CUO4JWWSHICZDPS","short_pith_number":"pith:3RI7JNR5","canonical_record":{"source":{"id":"1807.00183","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ex","submitted_at":"2018-06-30T14:32:47Z","cross_cats_sorted":[],"title_canon_sha256":"b7d5e66f7ac898a11085dd829520bf1da32d50e06894995ee8e59af5a9f2c3fd","abstract_canon_sha256":"74116bbb1f84199828e94cd1ceb1e6d455f7b6ff74e94616b618b4feb2731879"},"schema_version":"1.0"},"canonical_sha256":"dc51f4b63d64342a3b89b5a4740b237ca36b8b1995c92cf59643eb45e77d5079","source":{"kind":"arxiv","id":"1807.00183","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1807.00183","created_at":"2026-05-18T00:04:00Z"},{"alias_kind":"arxiv_version","alias_value":"1807.00183v2","created_at":"2026-05-18T00:04:00Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1807.00183","created_at":"2026-05-18T00:04:00Z"},{"alias_kind":"pith_short_12","alias_value":"3RI7JNR5MQ2C","created_at":"2026-05-18T12:32:02Z"},{"alias_kind":"pith_short_16","alias_value":"3RI7JNR5MQ2CUO4J","created_at":"2026-05-18T12:32:02Z"},{"alias_kind":"pith_short_8","alias_value":"3RI7JNR5","created_at":"2026-05-18T12:32:02Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:3RI7JNR5MQ2CUO4JWWSHICZDPS","target":"record","payload":{"canonical_record":{"source":{"id":"1807.00183","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ex","submitted_at":"2018-06-30T14:32:47Z","cross_cats_sorted":[],"title_canon_sha256":"b7d5e66f7ac898a11085dd829520bf1da32d50e06894995ee8e59af5a9f2c3fd","abstract_canon_sha256":"74116bbb1f84199828e94cd1ceb1e6d455f7b6ff74e94616b618b4feb2731879"},"schema_version":"1.0"},"canonical_sha256":"dc51f4b63d64342a3b89b5a4740b237ca36b8b1995c92cf59643eb45e77d5079","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:04:00.332582Z","signature_b64":"UiKRJu3QCvzbG8ftfSe2f4Io2/l7Jg/Q4AdL4ArITW8It+lIqhn3Nchw20sBYwOhhjv6v13QSdV4Y0Tx6dLQCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"dc51f4b63d64342a3b89b5a4740b237ca36b8b1995c92cf59643eb45e77d5079","last_reissued_at":"2026-05-18T00:04:00.331889Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:04:00.331889Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1807.00183","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":"2026-05-18T00:04:00Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ONPkJXfCoN4ndK1QNA9dVe25sJrh5G6VIMFbHnGw2j6bbV1Agv2sX8NkjMpwQTFWGfhQQ2q/4mx5vrOaM9gKDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-06T20:13:38.407328Z"},"content_sha256":"a23918c24f0112c55cef5c72ad4abd4f52fbff55c41b49f52d22b624f2b6ccd9","schema_version":"1.0","event_id":"sha256:a23918c24f0112c55cef5c72ad4abd4f52fbff55c41b49f52d22b624f2b6ccd9"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:3RI7JNR5MQ2CUO4JWWSHICZDPS","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Evidence for $Z_c^{\\pm}(3900)$ in semi-inclusive decays of $b$-flavored hadrons","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ex","authors_text":"D0 Collaboration","submitted_at":"2018-06-30T14:32:47Z","abstract_excerpt":"We present evidence for the exotic charged charmonium-like state $Z_c^{\\pm}(3900)$ in semi-inclusive weak decays of $b$-flavored hadrons. The signal is correlated with a $J/\\psi \\pi^+ \\pi^-$ system in the invariant mass range 4.2$-$4.7~GeV and includes the sequential process $b$-quark hadron $ \\rightarrow Y(4260) +$ anything, $Y(4260) \\rightarrow Z_c^{\\pm}(3900) \\pi^{\\mp}$, $Z_c^{\\pm}(3900) \\rightarrow J/\\psi \\pi^{\\pm}$. The study is based on $10.4~\\rm{fb^{-1}}$ of $p \\overline p $ collision data collected by the D0 experiment at the Fermilab Tevatron collider."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1807.00183","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":"2026-05-18T00:04:00Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PiiWNek9hPFKKuV0KCTlMHX2QM2GG+eCisIjdHC5IlCD2hZkUPBaKeAbsiolSRULGAYRjic2o+lC5I8pNlBIAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-06T20:13:38.407959Z"},"content_sha256":"28a03f0619ad628fde1827de7be0172d462c8d4cfc0fd074ee9e2585cb09b4f9","schema_version":"1.0","event_id":"sha256:28a03f0619ad628fde1827de7be0172d462c8d4cfc0fd074ee9e2585cb09b4f9"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/3RI7JNR5MQ2CUO4JWWSHICZDPS/bundle.json","state_url":"https://pith.science/pith/3RI7JNR5MQ2CUO4JWWSHICZDPS/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/3RI7JNR5MQ2CUO4JWWSHICZDPS/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":"2026-06-06T20:13:38Z","links":{"resolver":"https://pith.science/pith/3RI7JNR5MQ2CUO4JWWSHICZDPS","bundle":"https://pith.science/pith/3RI7JNR5MQ2CUO4JWWSHICZDPS/bundle.json","state":"https://pith.science/pith/3RI7JNR5MQ2CUO4JWWSHICZDPS/state.json","well_known_bundle":"https://pith.science/.well-known/pith/3RI7JNR5MQ2CUO4JWWSHICZDPS/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:3RI7JNR5MQ2CUO4JWWSHICZDPS","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":"74116bbb1f84199828e94cd1ceb1e6d455f7b6ff74e94616b618b4feb2731879","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ex","submitted_at":"2018-06-30T14:32:47Z","title_canon_sha256":"b7d5e66f7ac898a11085dd829520bf1da32d50e06894995ee8e59af5a9f2c3fd"},"schema_version":"1.0","source":{"id":"1807.00183","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1807.00183","created_at":"2026-05-18T00:04:00Z"},{"alias_kind":"arxiv_version","alias_value":"1807.00183v2","created_at":"2026-05-18T00:04:00Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1807.00183","created_at":"2026-05-18T00:04:00Z"},{"alias_kind":"pith_short_12","alias_value":"3RI7JNR5MQ2C","created_at":"2026-05-18T12:32:02Z"},{"alias_kind":"pith_short_16","alias_value":"3RI7JNR5MQ2CUO4J","created_at":"2026-05-18T12:32:02Z"},{"alias_kind":"pith_short_8","alias_value":"3RI7JNR5","created_at":"2026-05-18T12:32:02Z"}],"graph_snapshots":[{"event_id":"sha256:28a03f0619ad628fde1827de7be0172d462c8d4cfc0fd074ee9e2585cb09b4f9","target":"graph","created_at":"2026-05-18T00:04:00Z","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 present evidence for the exotic charged charmonium-like state $Z_c^{\\pm}(3900)$ in semi-inclusive weak decays of $b$-flavored hadrons. The signal is correlated with a $J/\\psi \\pi^+ \\pi^-$ system in the invariant mass range 4.2$-$4.7~GeV and includes the sequential process $b$-quark hadron $ \\rightarrow Y(4260) +$ anything, $Y(4260) \\rightarrow Z_c^{\\pm}(3900) \\pi^{\\mp}$, $Z_c^{\\pm}(3900) \\rightarrow J/\\psi \\pi^{\\pm}$. The study is based on $10.4~\\rm{fb^{-1}}$ of $p \\overline p $ collision data collected by the D0 experiment at the Fermilab Tevatron collider.","authors_text":"D0 Collaboration","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ex","submitted_at":"2018-06-30T14:32:47Z","title":"Evidence for $Z_c^{\\pm}(3900)$ in semi-inclusive decays of $b$-flavored hadrons"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1807.00183","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:a23918c24f0112c55cef5c72ad4abd4f52fbff55c41b49f52d22b624f2b6ccd9","target":"record","created_at":"2026-05-18T00:04:00Z","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":"74116bbb1f84199828e94cd1ceb1e6d455f7b6ff74e94616b618b4feb2731879","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ex","submitted_at":"2018-06-30T14:32:47Z","title_canon_sha256":"b7d5e66f7ac898a11085dd829520bf1da32d50e06894995ee8e59af5a9f2c3fd"},"schema_version":"1.0","source":{"id":"1807.00183","kind":"arxiv","version":2}},"canonical_sha256":"dc51f4b63d64342a3b89b5a4740b237ca36b8b1995c92cf59643eb45e77d5079","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"dc51f4b63d64342a3b89b5a4740b237ca36b8b1995c92cf59643eb45e77d5079","first_computed_at":"2026-05-18T00:04:00.331889Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:04:00.331889Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"UiKRJu3QCvzbG8ftfSe2f4Io2/l7Jg/Q4AdL4ArITW8It+lIqhn3Nchw20sBYwOhhjv6v13QSdV4Y0Tx6dLQCg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:04:00.332582Z","signed_message":"canonical_sha256_bytes"},"source_id":"1807.00183","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a23918c24f0112c55cef5c72ad4abd4f52fbff55c41b49f52d22b624f2b6ccd9","sha256:28a03f0619ad628fde1827de7be0172d462c8d4cfc0fd074ee9e2585cb09b4f9"],"state_sha256":"61bc201b2ba3105e7126df0d3268f170bc4de011d28449a1c3a58da5a1f488b9"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"iP6uuAS2q6DDI1fQ+DbMSmgMSmD/Et7LB+wZcCXTwDoxxrv/5JK5IXKbSh3WhgTF0532rblTcWsTVMl8xskoDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-06T20:13:38.414852Z","bundle_sha256":"5602bd3f747d9687c91dd33b486b2f119d260a76ada2ac2cf45ae11bca4dfb50"}}