{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:AG4RIT3PXPAKSXENKVAZCTSZ6D","short_pith_number":"pith:AG4RIT3P","canonical_record":{"source":{"id":"1104.0123","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2011-04-01T09:53:49Z","cross_cats_sorted":[],"title_canon_sha256":"bb88ec7af84e17f382fff06a57ec0633fde331bc9b68d1e13a6d23acd621d5e7","abstract_canon_sha256":"d0fd181912fa1d87ea582c688e4d24d153b37f3c3b1c458a758ac9d1cac2d459"},"schema_version":"1.0"},"canonical_sha256":"01b9144f6fbbc0a95c8d5541914e59f0d3f4b388fb538403d64d416529558c59","source":{"kind":"arxiv","id":"1104.0123","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1104.0123","created_at":"2026-05-18T04:16:11Z"},{"alias_kind":"arxiv_version","alias_value":"1104.0123v1","created_at":"2026-05-18T04:16:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1104.0123","created_at":"2026-05-18T04:16:11Z"},{"alias_kind":"pith_short_12","alias_value":"AG4RIT3PXPAK","created_at":"2026-05-18T12:26:24Z"},{"alias_kind":"pith_short_16","alias_value":"AG4RIT3PXPAKSXEN","created_at":"2026-05-18T12:26:24Z"},{"alias_kind":"pith_short_8","alias_value":"AG4RIT3P","created_at":"2026-05-18T12:26:24Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:AG4RIT3PXPAKSXENKVAZCTSZ6D","target":"record","payload":{"canonical_record":{"source":{"id":"1104.0123","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2011-04-01T09:53:49Z","cross_cats_sorted":[],"title_canon_sha256":"bb88ec7af84e17f382fff06a57ec0633fde331bc9b68d1e13a6d23acd621d5e7","abstract_canon_sha256":"d0fd181912fa1d87ea582c688e4d24d153b37f3c3b1c458a758ac9d1cac2d459"},"schema_version":"1.0"},"canonical_sha256":"01b9144f6fbbc0a95c8d5541914e59f0d3f4b388fb538403d64d416529558c59","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:16:11.865114Z","signature_b64":"smOrR3fWN2DzZMAW/MKefyk+6PQ0DMVJprgcsLcuTtHFVz9e4FEXaP7nXCxpwk2lPE64P2FGJtdXXJANHLgFCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"01b9144f6fbbc0a95c8d5541914e59f0d3f4b388fb538403d64d416529558c59","last_reissued_at":"2026-05-18T04:16:11.864755Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:16:11.864755Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1104.0123","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":"2026-05-18T04:16:11Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"kuf4moz8D/VSaM69S2DjDRcHs4fR3qKtxjjGBvXFym8MSvLUH/StFnNxoNXp5EFZU+djizGNCPWV3oZSasvYCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T08:19:29.262279Z"},"content_sha256":"a780022a0c7f26c7c3f6199bb9642444ce07f6610a0cf2a0e8bd27ce20ce4022","schema_version":"1.0","event_id":"sha256:a780022a0c7f26c7c3f6199bb9642444ce07f6610a0cf2a0e8bd27ce20ce4022"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:AG4RIT3PXPAKSXENKVAZCTSZ6D","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"ABC Effect in Basic Double-Pionic Fusion --- Observation of a new resonance?","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"nucl-ex","authors_text":"A. Jany, A. Khoukaz, A. Kupsc, A. Magiera, A. Passfeld, A. Povtoreyko, A. Pricking, A. Roy, A. Schmidt, A. Szczurek, A. Taeschner, A. Trzcinski, A. Winnemoeller, A. Wirzba, A. Wronska, B. Hoistad, B. Kamys, B. Klos, B.K. Nandi, B. Lorentz, B. Marianski, B.R. Jany, C. Adolph, C. Ekstrom, C.F. Redmer, C. Hanhart, C.-O. Gullstrom, C. Pauly, D. Coderre, D. Prasuhn, E. Czerwinski, E. Doroshkevich, E. Perez del Rio, F. Goldenbaum, F. Hinterberger, F. Kren, F.S. Bergmann, G.J. Wagner, G. Kemmerling, G. Sterzenbach, H. Bhatt, H. Calen, H. Clement, H. Kleines, H. Ohm, H.-P. Morsch, H. Stockhorst, H. Stroeher, J. Hampe, J. Jaus, J. Klaja, J. Ritman, J. Smyrski, J. Stepaniak, J. Zabierowski, J. Zlomanczuk, K. Foehl, K. Fransson, K. Grigoryev, K. Lalwani, K. Pysz, K.-T. Brinkmann, L. Heijkenskj, L. Jarczyk, L. Yurev, M. Bashkanov, M. Berlowski, M. Buescher, M. Hodana, M. Jacewicz, M. Janusz, M.J. Zielinski, M. Mikirtychiants, M. Siemaszko, M. Skurzok, M. Wolke, N. Piskunov, N. Shah, O. Khakimova, P. Adlarson, P. Fedorets, P. Goslawski, P. Kulessa, P. Marciniewski, P. Moskal, P. Plucinski, P. Podkopal, P. Vlasov, P. Wuestner, P. Wurm, P. Zupranski, R. Engels, R.J.M.Y. Ruber, R. Maier, R. Siudak, R. Stassen, R. Varma, S. Kistryn, S. Kullander, S. Schadmand, T. Johansson, T. Rausmann, T. Sefzick, T. Skorodko, T. Tolba, V. Baru, V. Grishina, V. Hejny, V. Serdyuk, V. Sopov, W. Augustyniak, W. Erven, W. Eyrich, W. Krzemien, W. Schroeder, W. Weglorz, W. Zipper, Y. Petukhov, Z. Rudy","submitted_at":"2011-04-01T09:53:49Z","abstract_excerpt":"We report on a high-statistics measurement of the basic double pionic fusion reaction $pn \\to d\\pi^0\\pi^0$ over the energy region of the so-called ABC effect, a pronounced low-mass enhancement in the $\\pi\\pi$-invariant mass spectrum. The measurements were performed with the WASA detector setup at COSY. The data reveal the ABC effect to be associated with a Lorentzian shaped energy dependence in the integral cross section. The observables are consistent with a resonance with $I(J^P) =0(3^+)$ in both $pn$ and $\\Delta\\Delta$ systems. Necessary further tests of the resonance interpretation are dis"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1104.0123","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":"2026-05-18T04:16:11Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"UU/NGZZVYtciqHzPlhCjxdWY/WLd1BJ0vVm4lC/ujU0R6S4tqKb3W8B8ZeNmnQpS/YIyzPNBQclhAQXUxPDmDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T08:19:29.262726Z"},"content_sha256":"a9d9ff54fc8a903c604df6171e6e3cfdd3a2d30d56c04934ead569b64d26ce7b","schema_version":"1.0","event_id":"sha256:a9d9ff54fc8a903c604df6171e6e3cfdd3a2d30d56c04934ead569b64d26ce7b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/AG4RIT3PXPAKSXENKVAZCTSZ6D/bundle.json","state_url":"https://pith.science/pith/AG4RIT3PXPAKSXENKVAZCTSZ6D/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/AG4RIT3PXPAKSXENKVAZCTSZ6D/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":"2026-05-27T08:19:29Z","links":{"resolver":"https://pith.science/pith/AG4RIT3PXPAKSXENKVAZCTSZ6D","bundle":"https://pith.science/pith/AG4RIT3PXPAKSXENKVAZCTSZ6D/bundle.json","state":"https://pith.science/pith/AG4RIT3PXPAKSXENKVAZCTSZ6D/state.json","well_known_bundle":"https://pith.science/.well-known/pith/AG4RIT3PXPAKSXENKVAZCTSZ6D/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:AG4RIT3PXPAKSXENKVAZCTSZ6D","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":"d0fd181912fa1d87ea582c688e4d24d153b37f3c3b1c458a758ac9d1cac2d459","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2011-04-01T09:53:49Z","title_canon_sha256":"bb88ec7af84e17f382fff06a57ec0633fde331bc9b68d1e13a6d23acd621d5e7"},"schema_version":"1.0","source":{"id":"1104.0123","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1104.0123","created_at":"2026-05-18T04:16:11Z"},{"alias_kind":"arxiv_version","alias_value":"1104.0123v1","created_at":"2026-05-18T04:16:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1104.0123","created_at":"2026-05-18T04:16:11Z"},{"alias_kind":"pith_short_12","alias_value":"AG4RIT3PXPAK","created_at":"2026-05-18T12:26:24Z"},{"alias_kind":"pith_short_16","alias_value":"AG4RIT3PXPAKSXEN","created_at":"2026-05-18T12:26:24Z"},{"alias_kind":"pith_short_8","alias_value":"AG4RIT3P","created_at":"2026-05-18T12:26:24Z"}],"graph_snapshots":[{"event_id":"sha256:a9d9ff54fc8a903c604df6171e6e3cfdd3a2d30d56c04934ead569b64d26ce7b","target":"graph","created_at":"2026-05-18T04:16:11Z","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 report on a high-statistics measurement of the basic double pionic fusion reaction $pn \\to d\\pi^0\\pi^0$ over the energy region of the so-called ABC effect, a pronounced low-mass enhancement in the $\\pi\\pi$-invariant mass spectrum. The measurements were performed with the WASA detector setup at COSY. The data reveal the ABC effect to be associated with a Lorentzian shaped energy dependence in the integral cross section. The observables are consistent with a resonance with $I(J^P) =0(3^+)$ in both $pn$ and $\\Delta\\Delta$ systems. Necessary further tests of the resonance interpretation are dis","authors_text":"A. Jany, A. Khoukaz, A. Kupsc, A. Magiera, A. Passfeld, A. Povtoreyko, A. Pricking, A. Roy, A. Schmidt, A. Szczurek, A. Taeschner, A. Trzcinski, A. Winnemoeller, A. Wirzba, A. Wronska, B. Hoistad, B. Kamys, B. Klos, B.K. Nandi, B. Lorentz, B. Marianski, B.R. Jany, C. Adolph, C. Ekstrom, C.F. Redmer, C. Hanhart, C.-O. Gullstrom, C. Pauly, D. Coderre, D. Prasuhn, E. Czerwinski, E. Doroshkevich, E. Perez del Rio, F. Goldenbaum, F. Hinterberger, F. Kren, F.S. Bergmann, G.J. Wagner, G. Kemmerling, G. Sterzenbach, H. Bhatt, H. Calen, H. Clement, H. Kleines, H. Ohm, H.-P. Morsch, H. Stockhorst, H. Stroeher, J. Hampe, J. Jaus, J. Klaja, J. Ritman, J. Smyrski, J. Stepaniak, J. Zabierowski, J. Zlomanczuk, K. Foehl, K. Fransson, K. Grigoryev, K. Lalwani, K. Pysz, K.-T. Brinkmann, L. Heijkenskj, L. Jarczyk, L. Yurev, M. Bashkanov, M. Berlowski, M. Buescher, M. Hodana, M. Jacewicz, M. Janusz, M.J. Zielinski, M. Mikirtychiants, M. Siemaszko, M. Skurzok, M. Wolke, N. Piskunov, N. Shah, O. Khakimova, P. Adlarson, P. Fedorets, P. Goslawski, P. Kulessa, P. Marciniewski, P. Moskal, P. Plucinski, P. Podkopal, P. Vlasov, P. Wuestner, P. Wurm, P. Zupranski, R. Engels, R.J.M.Y. Ruber, R. Maier, R. Siudak, R. Stassen, R. Varma, S. Kistryn, S. Kullander, S. Schadmand, T. Johansson, T. Rausmann, T. Sefzick, T. Skorodko, T. Tolba, V. Baru, V. Grishina, V. Hejny, V. Serdyuk, V. Sopov, W. Augustyniak, W. Erven, W. Eyrich, W. Krzemien, W. Schroeder, W. Weglorz, W. Zipper, Y. Petukhov, Z. Rudy","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2011-04-01T09:53:49Z","title":"ABC Effect in Basic Double-Pionic Fusion --- Observation of a new resonance?"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1104.0123","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:a780022a0c7f26c7c3f6199bb9642444ce07f6610a0cf2a0e8bd27ce20ce4022","target":"record","created_at":"2026-05-18T04:16:11Z","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":"d0fd181912fa1d87ea582c688e4d24d153b37f3c3b1c458a758ac9d1cac2d459","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2011-04-01T09:53:49Z","title_canon_sha256":"bb88ec7af84e17f382fff06a57ec0633fde331bc9b68d1e13a6d23acd621d5e7"},"schema_version":"1.0","source":{"id":"1104.0123","kind":"arxiv","version":1}},"canonical_sha256":"01b9144f6fbbc0a95c8d5541914e59f0d3f4b388fb538403d64d416529558c59","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"01b9144f6fbbc0a95c8d5541914e59f0d3f4b388fb538403d64d416529558c59","first_computed_at":"2026-05-18T04:16:11.864755Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:16:11.864755Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"smOrR3fWN2DzZMAW/MKefyk+6PQ0DMVJprgcsLcuTtHFVz9e4FEXaP7nXCxpwk2lPE64P2FGJtdXXJANHLgFCg==","signature_status":"signed_v1","signed_at":"2026-05-18T04:16:11.865114Z","signed_message":"canonical_sha256_bytes"},"source_id":"1104.0123","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a780022a0c7f26c7c3f6199bb9642444ce07f6610a0cf2a0e8bd27ce20ce4022","sha256:a9d9ff54fc8a903c604df6171e6e3cfdd3a2d30d56c04934ead569b64d26ce7b"],"state_sha256":"56a1630090b65a352cc58a722a6f0c6a7135bfa12fb67cb503539891488195f6"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"OTQmZMc5UqvZakvB/HJ1+gNpvSxUqo+SALA6kdi2iqXQCjOV3H2K8JSbKbfheFgoX6BAvqEhWErZQJz8cklxAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T08:19:29.265849Z","bundle_sha256":"9398391c00213c7c198b17e2230ac1bf998a1e43eb5618063517b0282884938b"}}