{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:HOAIWJDYCR4EQIDSLTFROTPLMG","short_pith_number":"pith:HOAIWJDY","canonical_record":{"source":{"id":"1803.00727","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2018-03-02T06:13:32Z","cross_cats_sorted":[],"title_canon_sha256":"a8e4aa9aed151ca5c3d8cb19893241fd8f90123bf61a1e9faee6919af256aa60","abstract_canon_sha256":"9d4d21d6fb7f5988f00660441cfbc2e86a6589d367ed88540c74d0fb573b8b99"},"schema_version":"1.0"},"canonical_sha256":"3b808b247814784820725ccb174deb61bf901026f4f78e3e74f87f7b77e8f6f7","source":{"kind":"arxiv","id":"1803.00727","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1803.00727","created_at":"2026-05-18T00:14:08Z"},{"alias_kind":"arxiv_version","alias_value":"1803.00727v2","created_at":"2026-05-18T00:14:08Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1803.00727","created_at":"2026-05-18T00:14:08Z"},{"alias_kind":"pith_short_12","alias_value":"HOAIWJDYCR4E","created_at":"2026-05-18T12:32:28Z"},{"alias_kind":"pith_short_16","alias_value":"HOAIWJDYCR4EQIDS","created_at":"2026-05-18T12:32:28Z"},{"alias_kind":"pith_short_8","alias_value":"HOAIWJDY","created_at":"2026-05-18T12:32:28Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:HOAIWJDYCR4EQIDSLTFROTPLMG","target":"record","payload":{"canonical_record":{"source":{"id":"1803.00727","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2018-03-02T06:13:32Z","cross_cats_sorted":[],"title_canon_sha256":"a8e4aa9aed151ca5c3d8cb19893241fd8f90123bf61a1e9faee6919af256aa60","abstract_canon_sha256":"9d4d21d6fb7f5988f00660441cfbc2e86a6589d367ed88540c74d0fb573b8b99"},"schema_version":"1.0"},"canonical_sha256":"3b808b247814784820725ccb174deb61bf901026f4f78e3e74f87f7b77e8f6f7","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:14:08.304350Z","signature_b64":"ATlBxkJsYaMtdwLNCM5q/H3+Gv5BqqpNuciNE72c8IDBRCT9yiNFoGIS9P3QKsznyGJnIEcIas35mJvGWjH+DA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3b808b247814784820725ccb174deb61bf901026f4f78e3e74f87f7b77e8f6f7","last_reissued_at":"2026-05-18T00:14:08.303867Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:14:08.303867Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1803.00727","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":"2026-05-18T00:14:08Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lVDrCNcDB7zUXxvihJ08VJEsMK9JO3u6p619FSPKs3uhkSv/Qg0wBYYlVTQbrSfxdYFpNx7tuXBIwBpHYfYoCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T02:06:53.147197Z"},"content_sha256":"8742b61711ecb5b4fe3e9b97d0ba4fec3b6b3c2970ffa751fa538b73b8553c69","schema_version":"1.0","event_id":"sha256:8742b61711ecb5b4fe3e9b97d0ba4fec3b6b3c2970ffa751fa538b73b8553c69"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:HOAIWJDYCR4EQIDSLTFROTPLMG","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Study of the $\\gamma p\\to \\pi^0\\eta p$ reaction with the A2 setup at MAMI","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"nucl-ex","authors_text":"A.Braghieri, A.Denig, A.Fix, A.K\\\"aser, A.Lazarev, A.Mushkarenkov, A.Neganov, A.Neiser, A.Nikolaev, A.Polonski, A.Rajabi, A.Sarty, A.Thiel, A.Thomas, B.Krusche, B.Strandberg, C. B. Hamill, C.Collicott, C.Mullen, C.Sfienti, D.Glowa, D.G.Middleton, D.Hornidge, D.I.Glazier, D.M.Manley, D.Paudyal, D.P.Watts, D.Werthm\\\"uller, E.F.McNicoll, E.J.Downie, E.Mornacchi, F.Afzal, F.Cividini, G.M.Gurevich, G.M.Huber, G.Ron, G.Rosner, H.J.Arends, I.Gorodnov, I.I.Strakovsky, I.J.D.MacGregor, I.Keshelashvili, I.Supek, J.Ahrens, J.C.McGeorge, J.Linturi, J.R.M.Annand, J.Robinson, J.Wettig, K.Bantawa, K.Livingston, K.Spieker, L.A.Zana, L.Heijkenskj\\\"old, L.V.Fil'kov, L.Witthauer, M.Bashkanov, M.Biroth, M.Dieterle, M.G\\\"unther, M.H.Sikora, M.I.Ferretti Bondy, M.Korolija, M.Oberle, M.Ostrick, M.Thiel, M.Unverzagt, M.Wolfes, N.K.Walford, N.S.Borisov, O.Steffen, P.Achenbach, P.Adlarson, P.Aguar-Bartolom\\'e, P.B.Otte, P.Drexler, P.Ott, P.Pedroni, P.P.Martel, R.Beck, R.Kondratiev, R.Macrae, R.Miskimen, S.Abt, S.Cherepnya, S.Costanza, S.Gardner, S.Garni, S.Kay, S.Lutterer, S.Prakhov, S.Wagner, T.C.Jude, Th.Strub, T.Rostomyan, V.Lisin, V.L.Kashevarov, V.Sokhoyan, W.Gradl, W.J.Briscoe, Yu.A.Usov, Z.Ahmed","submitted_at":"2018-03-02T06:13:32Z","abstract_excerpt":"The data available from the A2 Collaboration at MAMI were analyzed to select the $\\gamma p\\to \\pi^0\\eta p$ reaction on an event-by-event basis, which allows for partial-wave analyses of three-body final states to obtain more reliable results, compared to fits to measured distributions. These data provide the world's best statistical accuracy in the energy range from threshold to $E_{\\gamma}=1.45$ GeV, allowing a finer energy binning in the measurement of all observables needed for understanding the reaction dynamics. The results obtained for the measured observables are compared to existing mo"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1803.00727","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":"2026-05-18T00:14:08Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Hzp31PNnbLQhGL/a7xLx/vSzuTm99MA960+8w28uv0/gSe+nYuUUE5Nnu83ZyFWWVfJ5ga5e0Cen2Vxbqu90Ag==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T02:06:53.147594Z"},"content_sha256":"374152cf03202c19a9dc065d5b3dd81703a0cb1a0b4a9d759cca728a92136f30","schema_version":"1.0","event_id":"sha256:374152cf03202c19a9dc065d5b3dd81703a0cb1a0b4a9d759cca728a92136f30"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/HOAIWJDYCR4EQIDSLTFROTPLMG/bundle.json","state_url":"https://pith.science/pith/HOAIWJDYCR4EQIDSLTFROTPLMG/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/HOAIWJDYCR4EQIDSLTFROTPLMG/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":"2026-05-26T02:06:53Z","links":{"resolver":"https://pith.science/pith/HOAIWJDYCR4EQIDSLTFROTPLMG","bundle":"https://pith.science/pith/HOAIWJDYCR4EQIDSLTFROTPLMG/bundle.json","state":"https://pith.science/pith/HOAIWJDYCR4EQIDSLTFROTPLMG/state.json","well_known_bundle":"https://pith.science/.well-known/pith/HOAIWJDYCR4EQIDSLTFROTPLMG/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:HOAIWJDYCR4EQIDSLTFROTPLMG","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":"9d4d21d6fb7f5988f00660441cfbc2e86a6589d367ed88540c74d0fb573b8b99","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2018-03-02T06:13:32Z","title_canon_sha256":"a8e4aa9aed151ca5c3d8cb19893241fd8f90123bf61a1e9faee6919af256aa60"},"schema_version":"1.0","source":{"id":"1803.00727","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1803.00727","created_at":"2026-05-18T00:14:08Z"},{"alias_kind":"arxiv_version","alias_value":"1803.00727v2","created_at":"2026-05-18T00:14:08Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1803.00727","created_at":"2026-05-18T00:14:08Z"},{"alias_kind":"pith_short_12","alias_value":"HOAIWJDYCR4E","created_at":"2026-05-18T12:32:28Z"},{"alias_kind":"pith_short_16","alias_value":"HOAIWJDYCR4EQIDS","created_at":"2026-05-18T12:32:28Z"},{"alias_kind":"pith_short_8","alias_value":"HOAIWJDY","created_at":"2026-05-18T12:32:28Z"}],"graph_snapshots":[{"event_id":"sha256:374152cf03202c19a9dc065d5b3dd81703a0cb1a0b4a9d759cca728a92136f30","target":"graph","created_at":"2026-05-18T00:14:08Z","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":"The data available from the A2 Collaboration at MAMI were analyzed to select the $\\gamma p\\to \\pi^0\\eta p$ reaction on an event-by-event basis, which allows for partial-wave analyses of three-body final states to obtain more reliable results, compared to fits to measured distributions. These data provide the world's best statistical accuracy in the energy range from threshold to $E_{\\gamma}=1.45$ GeV, allowing a finer energy binning in the measurement of all observables needed for understanding the reaction dynamics. The results obtained for the measured observables are compared to existing mo","authors_text":"A.Braghieri, A.Denig, A.Fix, A.K\\\"aser, A.Lazarev, A.Mushkarenkov, A.Neganov, A.Neiser, A.Nikolaev, A.Polonski, A.Rajabi, A.Sarty, A.Thiel, A.Thomas, B.Krusche, B.Strandberg, C. B. Hamill, C.Collicott, C.Mullen, C.Sfienti, D.Glowa, D.G.Middleton, D.Hornidge, D.I.Glazier, D.M.Manley, D.Paudyal, D.P.Watts, D.Werthm\\\"uller, E.F.McNicoll, E.J.Downie, E.Mornacchi, F.Afzal, F.Cividini, G.M.Gurevich, G.M.Huber, G.Ron, G.Rosner, H.J.Arends, I.Gorodnov, I.I.Strakovsky, I.J.D.MacGregor, I.Keshelashvili, I.Supek, J.Ahrens, J.C.McGeorge, J.Linturi, J.R.M.Annand, J.Robinson, J.Wettig, K.Bantawa, K.Livingston, K.Spieker, L.A.Zana, L.Heijkenskj\\\"old, L.V.Fil'kov, L.Witthauer, M.Bashkanov, M.Biroth, M.Dieterle, M.G\\\"unther, M.H.Sikora, M.I.Ferretti Bondy, M.Korolija, M.Oberle, M.Ostrick, M.Thiel, M.Unverzagt, M.Wolfes, N.K.Walford, N.S.Borisov, O.Steffen, P.Achenbach, P.Adlarson, P.Aguar-Bartolom\\'e, P.B.Otte, P.Drexler, P.Ott, P.Pedroni, P.P.Martel, R.Beck, R.Kondratiev, R.Macrae, R.Miskimen, S.Abt, S.Cherepnya, S.Costanza, S.Gardner, S.Garni, S.Kay, S.Lutterer, S.Prakhov, S.Wagner, T.C.Jude, Th.Strub, T.Rostomyan, V.Lisin, V.L.Kashevarov, V.Sokhoyan, W.Gradl, W.J.Briscoe, Yu.A.Usov, Z.Ahmed","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2018-03-02T06:13:32Z","title":"Study of the $\\gamma p\\to \\pi^0\\eta p$ reaction with the A2 setup at MAMI"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1803.00727","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":"sha256:8742b61711ecb5b4fe3e9b97d0ba4fec3b6b3c2970ffa751fa538b73b8553c69","target":"record","created_at":"2026-05-18T00:14:08Z","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":"9d4d21d6fb7f5988f00660441cfbc2e86a6589d367ed88540c74d0fb573b8b99","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2018-03-02T06:13:32Z","title_canon_sha256":"a8e4aa9aed151ca5c3d8cb19893241fd8f90123bf61a1e9faee6919af256aa60"},"schema_version":"1.0","source":{"id":"1803.00727","kind":"arxiv","version":2}},"canonical_sha256":"3b808b247814784820725ccb174deb61bf901026f4f78e3e74f87f7b77e8f6f7","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3b808b247814784820725ccb174deb61bf901026f4f78e3e74f87f7b77e8f6f7","first_computed_at":"2026-05-18T00:14:08.303867Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:14:08.303867Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ATlBxkJsYaMtdwLNCM5q/H3+Gv5BqqpNuciNE72c8IDBRCT9yiNFoGIS9P3QKsznyGJnIEcIas35mJvGWjH+DA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:14:08.304350Z","signed_message":"canonical_sha256_bytes"},"source_id":"1803.00727","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8742b61711ecb5b4fe3e9b97d0ba4fec3b6b3c2970ffa751fa538b73b8553c69","sha256:374152cf03202c19a9dc065d5b3dd81703a0cb1a0b4a9d759cca728a92136f30"],"state_sha256":"5a1858bce32091933b675317bc105eed32f5e27add868f96afa62d6b99c3e025"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"46tLR0q2zOPtvnGf3tZ9WhpkgcLYVSZXTYdp8ZGjhvQ+1UYq6GQNcl7p4Zkud0Q3doT2S1lMVFOnsadpx1LSDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T02:06:53.150226Z","bundle_sha256":"71b28a760b3c313a6f721106fda2febc61950b511f772c612f36b6cadbf8c5fc"}}