{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:QQ4GDPSHE22OEEJB5GLRVVOFV2","short_pith_number":"pith:QQ4GDPSH","canonical_record":{"source":{"id":"1810.04171","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2018-10-09T18:00:00Z","cross_cats_sorted":["hep-ex"],"title_canon_sha256":"b9f308751a06fecebe1dade0c1bccb2c5190f31d7b2d217a7df421135669c555","abstract_canon_sha256":"7d3c47cdae8b236b5f85a27e3463c15bdba65af59393a83b2e277bf849b5d104"},"schema_version":"1.0"},"canonical_sha256":"843861be4726b4e21121e9971ad5c5ae97f2c1ba76ff90d61948ec507d08c63b","source":{"kind":"arxiv","id":"1810.04171","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1810.04171","created_at":"2026-05-17T23:54:43Z"},{"alias_kind":"arxiv_version","alias_value":"1810.04171v2","created_at":"2026-05-17T23:54:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1810.04171","created_at":"2026-05-17T23:54:43Z"},{"alias_kind":"pith_short_12","alias_value":"QQ4GDPSHE22O","created_at":"2026-05-18T12:32:46Z"},{"alias_kind":"pith_short_16","alias_value":"QQ4GDPSHE22OEEJB","created_at":"2026-05-18T12:32:46Z"},{"alias_kind":"pith_short_8","alias_value":"QQ4GDPSH","created_at":"2026-05-18T12:32:46Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:QQ4GDPSHE22OEEJB5GLRVVOFV2","target":"record","payload":{"canonical_record":{"source":{"id":"1810.04171","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2018-10-09T18:00:00Z","cross_cats_sorted":["hep-ex"],"title_canon_sha256":"b9f308751a06fecebe1dade0c1bccb2c5190f31d7b2d217a7df421135669c555","abstract_canon_sha256":"7d3c47cdae8b236b5f85a27e3463c15bdba65af59393a83b2e277bf849b5d104"},"schema_version":"1.0"},"canonical_sha256":"843861be4726b4e21121e9971ad5c5ae97f2c1ba76ff90d61948ec507d08c63b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:54:43.249710Z","signature_b64":"yGSFA6vp6+/DCV61+pjfYiJTnhmaCZk4CHr+Tu6eYsCQH5SXlb8HerBsASPPYsZzCcaQhoqlFR9C29MfakTQBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"843861be4726b4e21121e9971ad5c5ae97f2c1ba76ff90d61948ec507d08c63b","last_reissued_at":"2026-05-17T23:54:43.249031Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:54:43.249031Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1810.04171","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":"2026-05-17T23:54:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Q0rq5WmCUv91alLm5l0bLjyJ9H0hq2bwMlhcAiuSvK93OQarIbe3bGZu3Zbn6THHDqEaVOwbJwF01i/Ke3OSAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T10:40:07.337900Z"},"content_sha256":"475519651bfa4dd5c8d0bb6c6850046ffc55f88ada9b019814cfdc24a2e441ad","schema_version":"1.0","event_id":"sha256:475519651bfa4dd5c8d0bb6c6850046ffc55f88ada9b019814cfdc24a2e441ad"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:QQ4GDPSHE22OEEJB5GLRVVOFV2","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Determination of the pole position of the lightest hybrid meson candidate","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ex"],"primary_cat":"hep-ph","authors_text":"A. Jackura, A. Pilloni, A. Szczepaniak, B. Ketzer, C. Fernandez-Ramirez, J. Nys, JPAC Collaboration: A. Rodas, M. Albaladejo, M. Mikhasenko, V. Mathieu, V. Pauk","submitted_at":"2018-10-09T18:00:00Z","abstract_excerpt":"Mapping states with explicit gluonic degrees of freedom in the light sector is a challenge, and has led to controversies in the past. In particular, the experiments have reported two different hybrid candidates with spin-exotic signature, pi1(1400) and pi1(1600), which couple separately to eta pi and eta' pi. This picture is not compatible with recent Lattice QCD estimates for hybrid states, nor with most phenomenological models. We consider the recent partial wave analysis of the eta(') pi system by the COMPASS collaboration. We fit the extracted intensities and phases with a coupled-channel "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1810.04171","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":"2026-05-17T23:54:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"U5hMQvF74JAGYZCSeBgqSokWG5o3aSVaJh4XW7r54U592PpnPhh+UPG6otItHp9iXmZrKsylQqCk788QHBQ/CA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T10:40:07.338256Z"},"content_sha256":"13d4646a2936c30c9613c03505cb7e414b015c1a45b4c67cc9abed78fe3a29a6","schema_version":"1.0","event_id":"sha256:13d4646a2936c30c9613c03505cb7e414b015c1a45b4c67cc9abed78fe3a29a6"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/QQ4GDPSHE22OEEJB5GLRVVOFV2/bundle.json","state_url":"https://pith.science/pith/QQ4GDPSHE22OEEJB5GLRVVOFV2/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/QQ4GDPSHE22OEEJB5GLRVVOFV2/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":"2026-05-28T10:40:07Z","links":{"resolver":"https://pith.science/pith/QQ4GDPSHE22OEEJB5GLRVVOFV2","bundle":"https://pith.science/pith/QQ4GDPSHE22OEEJB5GLRVVOFV2/bundle.json","state":"https://pith.science/pith/QQ4GDPSHE22OEEJB5GLRVVOFV2/state.json","well_known_bundle":"https://pith.science/.well-known/pith/QQ4GDPSHE22OEEJB5GLRVVOFV2/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:QQ4GDPSHE22OEEJB5GLRVVOFV2","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":"7d3c47cdae8b236b5f85a27e3463c15bdba65af59393a83b2e277bf849b5d104","cross_cats_sorted":["hep-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2018-10-09T18:00:00Z","title_canon_sha256":"b9f308751a06fecebe1dade0c1bccb2c5190f31d7b2d217a7df421135669c555"},"schema_version":"1.0","source":{"id":"1810.04171","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1810.04171","created_at":"2026-05-17T23:54:43Z"},{"alias_kind":"arxiv_version","alias_value":"1810.04171v2","created_at":"2026-05-17T23:54:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1810.04171","created_at":"2026-05-17T23:54:43Z"},{"alias_kind":"pith_short_12","alias_value":"QQ4GDPSHE22O","created_at":"2026-05-18T12:32:46Z"},{"alias_kind":"pith_short_16","alias_value":"QQ4GDPSHE22OEEJB","created_at":"2026-05-18T12:32:46Z"},{"alias_kind":"pith_short_8","alias_value":"QQ4GDPSH","created_at":"2026-05-18T12:32:46Z"}],"graph_snapshots":[{"event_id":"sha256:13d4646a2936c30c9613c03505cb7e414b015c1a45b4c67cc9abed78fe3a29a6","target":"graph","created_at":"2026-05-17T23:54:43Z","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":"Mapping states with explicit gluonic degrees of freedom in the light sector is a challenge, and has led to controversies in the past. In particular, the experiments have reported two different hybrid candidates with spin-exotic signature, pi1(1400) and pi1(1600), which couple separately to eta pi and eta' pi. This picture is not compatible with recent Lattice QCD estimates for hybrid states, nor with most phenomenological models. We consider the recent partial wave analysis of the eta(') pi system by the COMPASS collaboration. We fit the extracted intensities and phases with a coupled-channel ","authors_text":"A. Jackura, A. Pilloni, A. Szczepaniak, B. Ketzer, C. Fernandez-Ramirez, J. Nys, JPAC Collaboration: A. Rodas, M. Albaladejo, M. Mikhasenko, V. Mathieu, V. Pauk","cross_cats":["hep-ex"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2018-10-09T18:00:00Z","title":"Determination of the pole position of the lightest hybrid meson candidate"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1810.04171","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":"sha256:475519651bfa4dd5c8d0bb6c6850046ffc55f88ada9b019814cfdc24a2e441ad","target":"record","created_at":"2026-05-17T23:54:43Z","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":"7d3c47cdae8b236b5f85a27e3463c15bdba65af59393a83b2e277bf849b5d104","cross_cats_sorted":["hep-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2018-10-09T18:00:00Z","title_canon_sha256":"b9f308751a06fecebe1dade0c1bccb2c5190f31d7b2d217a7df421135669c555"},"schema_version":"1.0","source":{"id":"1810.04171","kind":"arxiv","version":2}},"canonical_sha256":"843861be4726b4e21121e9971ad5c5ae97f2c1ba76ff90d61948ec507d08c63b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"843861be4726b4e21121e9971ad5c5ae97f2c1ba76ff90d61948ec507d08c63b","first_computed_at":"2026-05-17T23:54:43.249031Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:54:43.249031Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"yGSFA6vp6+/DCV61+pjfYiJTnhmaCZk4CHr+Tu6eYsCQH5SXlb8HerBsASPPYsZzCcaQhoqlFR9C29MfakTQBw==","signature_status":"signed_v1","signed_at":"2026-05-17T23:54:43.249710Z","signed_message":"canonical_sha256_bytes"},"source_id":"1810.04171","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:475519651bfa4dd5c8d0bb6c6850046ffc55f88ada9b019814cfdc24a2e441ad","sha256:13d4646a2936c30c9613c03505cb7e414b015c1a45b4c67cc9abed78fe3a29a6"],"state_sha256":"cc56ccdd231933797a392f901d72210da7bb254104fdc5ea9e4642a90755e26c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"nnS6gof8J8uVnJt9Uda24ri3py6OV8vNh+WJCRpg7ZochCF0ozzA6uaB1e3TTU5CtyvFCbpvMnJa73Kk8flqBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T10:40:07.340227Z","bundle_sha256":"dc7c46219de003f6553c66df1e03658057f5cd69a919a11a278a3dc0ba496165"}}