{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:PW4O4G7DOOTRWEMMF64EJCK2M2","short_pith_number":"pith:PW4O4G7D","canonical_record":{"source":{"id":"1905.13156","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2019-05-30T16:21:46Z","cross_cats_sorted":["hep-ex"],"title_canon_sha256":"7c471ba01a27d4aa12abbbf349d9c05bc7fb36dc4c79f75b9ea834490a0caf3f","abstract_canon_sha256":"e7e8dafcb9d7b914945e1ecefd7dda6e6de30f72e287d0f6007d2654c9d21a13"},"schema_version":"1.0"},"canonical_sha256":"7db8ee1be373a71b118c2fb844895a66bf0cb6fcef2e7c88853abc78fa1e0389","source":{"kind":"arxiv","id":"1905.13156","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1905.13156","created_at":"2026-05-17T23:44:38Z"},{"alias_kind":"arxiv_version","alias_value":"1905.13156v1","created_at":"2026-05-17T23:44:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1905.13156","created_at":"2026-05-17T23:44:38Z"},{"alias_kind":"pith_short_12","alias_value":"PW4O4G7DOOTR","created_at":"2026-05-18T12:33:24Z"},{"alias_kind":"pith_short_16","alias_value":"PW4O4G7DOOTRWEMM","created_at":"2026-05-18T12:33:24Z"},{"alias_kind":"pith_short_8","alias_value":"PW4O4G7D","created_at":"2026-05-18T12:33:24Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:PW4O4G7DOOTRWEMMF64EJCK2M2","target":"record","payload":{"canonical_record":{"source":{"id":"1905.13156","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2019-05-30T16:21:46Z","cross_cats_sorted":["hep-ex"],"title_canon_sha256":"7c471ba01a27d4aa12abbbf349d9c05bc7fb36dc4c79f75b9ea834490a0caf3f","abstract_canon_sha256":"e7e8dafcb9d7b914945e1ecefd7dda6e6de30f72e287d0f6007d2654c9d21a13"},"schema_version":"1.0"},"canonical_sha256":"7db8ee1be373a71b118c2fb844895a66bf0cb6fcef2e7c88853abc78fa1e0389","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:44:38.799886Z","signature_b64":"GgsB7p/bLfrodRl0JjQ8TTqwN4BWdIAmOMOQ1F4zd678n6ayq0T2HBJ5q0lwDLDwyQRLlryu2BSIJLKg2C9dAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7db8ee1be373a71b118c2fb844895a66bf0cb6fcef2e7c88853abc78fa1e0389","last_reissued_at":"2026-05-17T23:44:38.799457Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:44:38.799457Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1905.13156","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":"2026-05-17T23:44:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"oOm1kLhbM8AHSDc7OnbDN1o7pjlrd4HEBZlIF6TeqdqBhP2431WKmXf5KVFPK2UAyq7wLyaGouVGJudbcEH4Dg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T19:42:44.764551Z"},"content_sha256":"a5c1dab2142426715ce11fbc2bed1903af522d0471a9b40cf9cf5520a107b488","schema_version":"1.0","event_id":"sha256:a5c1dab2142426715ce11fbc2bed1903af522d0471a9b40cf9cf5520a107b488"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:PW4O4G7DOOTRWEMMF64EJCK2M2","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Deciphering the XYZ States","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ex"],"primary_cat":"hep-ph","authors_text":"M.B. Voloshin","submitted_at":"2019-05-30T16:21:46Z","abstract_excerpt":"I give a brief account of current topics in description of exotic multiquark mesonic resonances with hidden heavy ($c$ or $b$) flavor, the so-called XYZ states, in terms of hadronic molecules and hadro-quarkonium systems. Also discussed are the recently observed hidden-charm pentaquarks including additional ways of producing them in experiments."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1905.13156","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":"2026-05-17T23:44:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+t3k9T1PyxkGneb1bRteet7SP5WPxD9QoWkusISQIsRCHjyEurrip723//NuxCu73YcEQKVP44jGkL/5Wm8XBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T19:42:44.765147Z"},"content_sha256":"71203b70c90ba066bc3251b789f36235d4621ea45e11f20f5516989171149c58","schema_version":"1.0","event_id":"sha256:71203b70c90ba066bc3251b789f36235d4621ea45e11f20f5516989171149c58"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/PW4O4G7DOOTRWEMMF64EJCK2M2/bundle.json","state_url":"https://pith.science/pith/PW4O4G7DOOTRWEMMF64EJCK2M2/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/PW4O4G7DOOTRWEMMF64EJCK2M2/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":"2026-05-31T19:42:44Z","links":{"resolver":"https://pith.science/pith/PW4O4G7DOOTRWEMMF64EJCK2M2","bundle":"https://pith.science/pith/PW4O4G7DOOTRWEMMF64EJCK2M2/bundle.json","state":"https://pith.science/pith/PW4O4G7DOOTRWEMMF64EJCK2M2/state.json","well_known_bundle":"https://pith.science/.well-known/pith/PW4O4G7DOOTRWEMMF64EJCK2M2/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:PW4O4G7DOOTRWEMMF64EJCK2M2","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":"e7e8dafcb9d7b914945e1ecefd7dda6e6de30f72e287d0f6007d2654c9d21a13","cross_cats_sorted":["hep-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2019-05-30T16:21:46Z","title_canon_sha256":"7c471ba01a27d4aa12abbbf349d9c05bc7fb36dc4c79f75b9ea834490a0caf3f"},"schema_version":"1.0","source":{"id":"1905.13156","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1905.13156","created_at":"2026-05-17T23:44:38Z"},{"alias_kind":"arxiv_version","alias_value":"1905.13156v1","created_at":"2026-05-17T23:44:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1905.13156","created_at":"2026-05-17T23:44:38Z"},{"alias_kind":"pith_short_12","alias_value":"PW4O4G7DOOTR","created_at":"2026-05-18T12:33:24Z"},{"alias_kind":"pith_short_16","alias_value":"PW4O4G7DOOTRWEMM","created_at":"2026-05-18T12:33:24Z"},{"alias_kind":"pith_short_8","alias_value":"PW4O4G7D","created_at":"2026-05-18T12:33:24Z"}],"graph_snapshots":[{"event_id":"sha256:71203b70c90ba066bc3251b789f36235d4621ea45e11f20f5516989171149c58","target":"graph","created_at":"2026-05-17T23:44:38Z","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":"I give a brief account of current topics in description of exotic multiquark mesonic resonances with hidden heavy ($c$ or $b$) flavor, the so-called XYZ states, in terms of hadronic molecules and hadro-quarkonium systems. Also discussed are the recently observed hidden-charm pentaquarks including additional ways of producing them in experiments.","authors_text":"M.B. Voloshin","cross_cats":["hep-ex"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2019-05-30T16:21:46Z","title":"Deciphering the XYZ States"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1905.13156","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:a5c1dab2142426715ce11fbc2bed1903af522d0471a9b40cf9cf5520a107b488","target":"record","created_at":"2026-05-17T23:44:38Z","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":"e7e8dafcb9d7b914945e1ecefd7dda6e6de30f72e287d0f6007d2654c9d21a13","cross_cats_sorted":["hep-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2019-05-30T16:21:46Z","title_canon_sha256":"7c471ba01a27d4aa12abbbf349d9c05bc7fb36dc4c79f75b9ea834490a0caf3f"},"schema_version":"1.0","source":{"id":"1905.13156","kind":"arxiv","version":1}},"canonical_sha256":"7db8ee1be373a71b118c2fb844895a66bf0cb6fcef2e7c88853abc78fa1e0389","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7db8ee1be373a71b118c2fb844895a66bf0cb6fcef2e7c88853abc78fa1e0389","first_computed_at":"2026-05-17T23:44:38.799457Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:44:38.799457Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"GgsB7p/bLfrodRl0JjQ8TTqwN4BWdIAmOMOQ1F4zd678n6ayq0T2HBJ5q0lwDLDwyQRLlryu2BSIJLKg2C9dAw==","signature_status":"signed_v1","signed_at":"2026-05-17T23:44:38.799886Z","signed_message":"canonical_sha256_bytes"},"source_id":"1905.13156","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a5c1dab2142426715ce11fbc2bed1903af522d0471a9b40cf9cf5520a107b488","sha256:71203b70c90ba066bc3251b789f36235d4621ea45e11f20f5516989171149c58"],"state_sha256":"07504a7bb23b61adebb61c85976403fcf544b6d257dc48f68f1027ad96af05b9"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Srey7pfdDhArr+LbAtndV3ANk78AwqablVEVtm4jNuQxPB2jjD2pAbB7iuIE/pmVNON5NXa11ZKRRmYnf2M0Ag==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T19:42:44.769104Z","bundle_sha256":"3fa87028f1a179acd3cc1a1703d58ec546825d0e179bdfd29c3bce3a5f359b6c"}}