{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:VDKFHKYGVPTP5SR3NF6PWMNIDR","short_pith_number":"pith:VDKFHKYG","canonical_record":{"source":{"id":"1510.00854","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2015-10-03T18:15:14Z","cross_cats_sorted":["hep-ex","nucl-ex","nucl-th"],"title_canon_sha256":"b9c725e2f02a20cb25a4f6abdeece3308511e0d28ee05b46c8681893690ac996","abstract_canon_sha256":"4adba96de92750019cf47c99ca1114f125d4db474fc9d6ed30ba04bb7560148b"},"schema_version":"1.0"},"canonical_sha256":"a8d453ab06abe6feca3b697cfb31a81c6a76db402e16204cb185960c8297886e","source":{"kind":"arxiv","id":"1510.00854","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1510.00854","created_at":"2026-05-18T01:12:13Z"},{"alias_kind":"arxiv_version","alias_value":"1510.00854v1","created_at":"2026-05-18T01:12:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1510.00854","created_at":"2026-05-18T01:12:13Z"},{"alias_kind":"pith_short_12","alias_value":"VDKFHKYGVPTP","created_at":"2026-05-18T12:29:44Z"},{"alias_kind":"pith_short_16","alias_value":"VDKFHKYGVPTP5SR3","created_at":"2026-05-18T12:29:44Z"},{"alias_kind":"pith_short_8","alias_value":"VDKFHKYG","created_at":"2026-05-18T12:29:44Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:VDKFHKYGVPTP5SR3NF6PWMNIDR","target":"record","payload":{"canonical_record":{"source":{"id":"1510.00854","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2015-10-03T18:15:14Z","cross_cats_sorted":["hep-ex","nucl-ex","nucl-th"],"title_canon_sha256":"b9c725e2f02a20cb25a4f6abdeece3308511e0d28ee05b46c8681893690ac996","abstract_canon_sha256":"4adba96de92750019cf47c99ca1114f125d4db474fc9d6ed30ba04bb7560148b"},"schema_version":"1.0"},"canonical_sha256":"a8d453ab06abe6feca3b697cfb31a81c6a76db402e16204cb185960c8297886e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:12:13.156236Z","signature_b64":"kds/AHV4acVxjOV+XMX4/X3kqnLE6EPrC5r2/XRo2r5vmlchANpzg9Ydz3K7X9uHDP5AEw5lQGnODNyMCe9OBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a8d453ab06abe6feca3b697cfb31a81c6a76db402e16204cb185960c8297886e","last_reissued_at":"2026-05-18T01:12:13.155803Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:12:13.155803Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1510.00854","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":"2026-05-18T01:12:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QWNXsYxg6AXUE+KFwC+J1yo+TRTE9+2vknwexlhfuUTxqyQ6pLrYBNDgfvhoiwrzn4XfYZMVisyk75fa8K5GDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T11:40:41.934801Z"},"content_sha256":"f2968ca4ee97d537b3f6891cacf9e976219146b4dba7eed9a3352b4c6b72416b","schema_version":"1.0","event_id":"sha256:f2968ca4ee97d537b3f6891cacf9e976219146b4dba7eed9a3352b4c6b72416b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:VDKFHKYGVPTP5SR3NF6PWMNIDR","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The nature of near-threshold XYZ states","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ex","nucl-ex","nucl-th"],"primary_cat":"hep-ph","authors_text":"Christoph Hanhart, Feng-Kun Guo, Martin Cleven, Qiang Zhao, Qian Wang","submitted_at":"2015-10-03T18:15:14Z","abstract_excerpt":"We demonstrate that the recently observed $X$, $Y$, $Z$ states cannot be purely from kinematic effect. Especially the narrow near-threshold structures in elastic channels call for nearby poles of the $S$-matrix which are qualified as states. We propose a way to distinguish cusp effects from genuine states and demonstrate that (not all of) the recently observed $X$, $Y$, $Z$ states cannot be purely from kinematic effects. Especially, we show that the narrow near-threshold structures in elastic channels call for nearby poles of the $S$-matrix, since the normal kinematic cusp effect cannot produc"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1510.00854","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":"2026-05-18T01:12:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3Ijgka2xAHLezfIqIhpAqFy5QL6MlJ+i1SL0SNDIahPaCERGdvlRk6TKjHQs5VrVj1uapLONUCrL3iuPJnXzDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T11:40:41.935428Z"},"content_sha256":"85d5536a59c33e810c4ee92c54a83349ee9f2a9360288aab892b244bc62ddc58","schema_version":"1.0","event_id":"sha256:85d5536a59c33e810c4ee92c54a83349ee9f2a9360288aab892b244bc62ddc58"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/VDKFHKYGVPTP5SR3NF6PWMNIDR/bundle.json","state_url":"https://pith.science/pith/VDKFHKYGVPTP5SR3NF6PWMNIDR/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/VDKFHKYGVPTP5SR3NF6PWMNIDR/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":"2026-05-25T11:40:41Z","links":{"resolver":"https://pith.science/pith/VDKFHKYGVPTP5SR3NF6PWMNIDR","bundle":"https://pith.science/pith/VDKFHKYGVPTP5SR3NF6PWMNIDR/bundle.json","state":"https://pith.science/pith/VDKFHKYGVPTP5SR3NF6PWMNIDR/state.json","well_known_bundle":"https://pith.science/.well-known/pith/VDKFHKYGVPTP5SR3NF6PWMNIDR/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:VDKFHKYGVPTP5SR3NF6PWMNIDR","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":"4adba96de92750019cf47c99ca1114f125d4db474fc9d6ed30ba04bb7560148b","cross_cats_sorted":["hep-ex","nucl-ex","nucl-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2015-10-03T18:15:14Z","title_canon_sha256":"b9c725e2f02a20cb25a4f6abdeece3308511e0d28ee05b46c8681893690ac996"},"schema_version":"1.0","source":{"id":"1510.00854","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1510.00854","created_at":"2026-05-18T01:12:13Z"},{"alias_kind":"arxiv_version","alias_value":"1510.00854v1","created_at":"2026-05-18T01:12:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1510.00854","created_at":"2026-05-18T01:12:13Z"},{"alias_kind":"pith_short_12","alias_value":"VDKFHKYGVPTP","created_at":"2026-05-18T12:29:44Z"},{"alias_kind":"pith_short_16","alias_value":"VDKFHKYGVPTP5SR3","created_at":"2026-05-18T12:29:44Z"},{"alias_kind":"pith_short_8","alias_value":"VDKFHKYG","created_at":"2026-05-18T12:29:44Z"}],"graph_snapshots":[{"event_id":"sha256:85d5536a59c33e810c4ee92c54a83349ee9f2a9360288aab892b244bc62ddc58","target":"graph","created_at":"2026-05-18T01:12:13Z","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 demonstrate that the recently observed $X$, $Y$, $Z$ states cannot be purely from kinematic effect. Especially the narrow near-threshold structures in elastic channels call for nearby poles of the $S$-matrix which are qualified as states. We propose a way to distinguish cusp effects from genuine states and demonstrate that (not all of) the recently observed $X$, $Y$, $Z$ states cannot be purely from kinematic effects. Especially, we show that the narrow near-threshold structures in elastic channels call for nearby poles of the $S$-matrix, since the normal kinematic cusp effect cannot produc","authors_text":"Christoph Hanhart, Feng-Kun Guo, Martin Cleven, Qiang Zhao, Qian Wang","cross_cats":["hep-ex","nucl-ex","nucl-th"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2015-10-03T18:15:14Z","title":"The nature of near-threshold XYZ states"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1510.00854","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:f2968ca4ee97d537b3f6891cacf9e976219146b4dba7eed9a3352b4c6b72416b","target":"record","created_at":"2026-05-18T01:12:13Z","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":"4adba96de92750019cf47c99ca1114f125d4db474fc9d6ed30ba04bb7560148b","cross_cats_sorted":["hep-ex","nucl-ex","nucl-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2015-10-03T18:15:14Z","title_canon_sha256":"b9c725e2f02a20cb25a4f6abdeece3308511e0d28ee05b46c8681893690ac996"},"schema_version":"1.0","source":{"id":"1510.00854","kind":"arxiv","version":1}},"canonical_sha256":"a8d453ab06abe6feca3b697cfb31a81c6a76db402e16204cb185960c8297886e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a8d453ab06abe6feca3b697cfb31a81c6a76db402e16204cb185960c8297886e","first_computed_at":"2026-05-18T01:12:13.155803Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:12:13.155803Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"kds/AHV4acVxjOV+XMX4/X3kqnLE6EPrC5r2/XRo2r5vmlchANpzg9Ydz3K7X9uHDP5AEw5lQGnODNyMCe9OBw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:12:13.156236Z","signed_message":"canonical_sha256_bytes"},"source_id":"1510.00854","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f2968ca4ee97d537b3f6891cacf9e976219146b4dba7eed9a3352b4c6b72416b","sha256:85d5536a59c33e810c4ee92c54a83349ee9f2a9360288aab892b244bc62ddc58"],"state_sha256":"1717b08411a6f48023e14de38768be0329c6cdfbb3986973a956905b1a6f46e7"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"OW8+BGexLO8rprvz9xSDHr6ZNi6Jwg2N8syylOwLFQkzK3Ivitzdo4O1S7zWSm8v6SQtEAwk9THOaMeBbIwOAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T11:40:41.938897Z","bundle_sha256":"c8f7a94ae11f793750664473a24517ec914c1577b4ebaf2cecfb53200174dd0f"}}