{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:HWCZH3N4JZXCKJ5QZ2EXQNKDGF","short_pith_number":"pith:HWCZH3N4","canonical_record":{"source":{"id":"1102.1574","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ex","submitted_at":"2011-02-08T11:39:20Z","cross_cats_sorted":["hep-ph"],"title_canon_sha256":"35719affffb4a3bffaa64291cca23fe004bbba9b913df46ba8f8c2622889c040","abstract_canon_sha256":"a7a715cb9b15dd9081410b90b7804b7c743e4d9b5c8d46ae3dab24a5d7d11a8e"},"schema_version":"1.0"},"canonical_sha256":"3d8593edbc4e6e2527b0ce89783543314dcfe5119917601fc53f59efccceb5b4","source":{"kind":"arxiv","id":"1102.1574","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1102.1574","created_at":"2026-05-18T04:29:52Z"},{"alias_kind":"arxiv_version","alias_value":"1102.1574v1","created_at":"2026-05-18T04:29:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1102.1574","created_at":"2026-05-18T04:29:52Z"},{"alias_kind":"pith_short_12","alias_value":"HWCZH3N4JZXC","created_at":"2026-05-18T12:26:30Z"},{"alias_kind":"pith_short_16","alias_value":"HWCZH3N4JZXCKJ5Q","created_at":"2026-05-18T12:26:30Z"},{"alias_kind":"pith_short_8","alias_value":"HWCZH3N4","created_at":"2026-05-18T12:26:30Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:HWCZH3N4JZXCKJ5QZ2EXQNKDGF","target":"record","payload":{"canonical_record":{"source":{"id":"1102.1574","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ex","submitted_at":"2011-02-08T11:39:20Z","cross_cats_sorted":["hep-ph"],"title_canon_sha256":"35719affffb4a3bffaa64291cca23fe004bbba9b913df46ba8f8c2622889c040","abstract_canon_sha256":"a7a715cb9b15dd9081410b90b7804b7c743e4d9b5c8d46ae3dab24a5d7d11a8e"},"schema_version":"1.0"},"canonical_sha256":"3d8593edbc4e6e2527b0ce89783543314dcfe5119917601fc53f59efccceb5b4","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:29:52.952103Z","signature_b64":"0vYToPoVQWxtkUZ03BJb7qyMi/q8sp7+kQrDSVt5NUNM+dyPl2HvCNKJYpIKdlFdsvzq4Pts7W84q5/0/GDDAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3d8593edbc4e6e2527b0ce89783543314dcfe5119917601fc53f59efccceb5b4","last_reissued_at":"2026-05-18T04:29:52.951436Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:29:52.951436Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1102.1574","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":"2026-05-18T04:29:52Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jHAlnB7FBJLCca/1Gnw/nGtly6XmzFbgMLtvKoWCjRX4UpNybhYisNaouOk023XGrS1iSYQ2dfrSwK2QCQ4fDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-08T19:09:53.588063Z"},"content_sha256":"55d692d9d90d82b5c4c4db5b8937d96e5fe74fb34c28a2866d89a3baa1b186e5","schema_version":"1.0","event_id":"sha256:55d692d9d90d82b5c4c4db5b8937d96e5fe74fb34c28a2866d89a3baa1b186e5"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:HWCZH3N4JZXCKJ5QZ2EXQNKDGF","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Study of the Reaction $np \\rightarrow np \\pi^+ \\pi^-$ at Intermediate Energies","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ph"],"primary_cat":"hep-ex","authors_text":"A.P. Jerusalimov, A.V.Belyaev, A.Yu.Troyan, E.B.Plekhanov, Yu.A.Troyan","submitted_at":"2011-02-08T11:39:20Z","abstract_excerpt":"The reaction $np \\rightarrow np \\pi^+ \\pi^-$ was studied at the various momenta of incident neutrons. It was shown that the characteristics of the reaction at the momenta above 3 GeV/c could be described by the model of reggeized $\\pi$ exchange (OPER). At the momenta below 3 GeV/c, it was necessary to use additionally the mechanism of one baryon exchange (OBE)."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1102.1574","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":"2026-05-18T04:29:52Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"iXb7Bm0HjozP3cfKpgdDlucDqUfnwXuUcUUS1GTfoXCq2pERvoP3jKt02q6UiA3e/KT75i8NMtcIhl6+/OPfBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-08T19:09:53.588710Z"},"content_sha256":"684655368f7d51ba40e1c87016af774aff76ab820aae17cf302756eaab8bfe73","schema_version":"1.0","event_id":"sha256:684655368f7d51ba40e1c87016af774aff76ab820aae17cf302756eaab8bfe73"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/HWCZH3N4JZXCKJ5QZ2EXQNKDGF/bundle.json","state_url":"https://pith.science/pith/HWCZH3N4JZXCKJ5QZ2EXQNKDGF/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/HWCZH3N4JZXCKJ5QZ2EXQNKDGF/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":"2026-06-08T19:09:53Z","links":{"resolver":"https://pith.science/pith/HWCZH3N4JZXCKJ5QZ2EXQNKDGF","bundle":"https://pith.science/pith/HWCZH3N4JZXCKJ5QZ2EXQNKDGF/bundle.json","state":"https://pith.science/pith/HWCZH3N4JZXCKJ5QZ2EXQNKDGF/state.json","well_known_bundle":"https://pith.science/.well-known/pith/HWCZH3N4JZXCKJ5QZ2EXQNKDGF/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:HWCZH3N4JZXCKJ5QZ2EXQNKDGF","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":"a7a715cb9b15dd9081410b90b7804b7c743e4d9b5c8d46ae3dab24a5d7d11a8e","cross_cats_sorted":["hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ex","submitted_at":"2011-02-08T11:39:20Z","title_canon_sha256":"35719affffb4a3bffaa64291cca23fe004bbba9b913df46ba8f8c2622889c040"},"schema_version":"1.0","source":{"id":"1102.1574","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1102.1574","created_at":"2026-05-18T04:29:52Z"},{"alias_kind":"arxiv_version","alias_value":"1102.1574v1","created_at":"2026-05-18T04:29:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1102.1574","created_at":"2026-05-18T04:29:52Z"},{"alias_kind":"pith_short_12","alias_value":"HWCZH3N4JZXC","created_at":"2026-05-18T12:26:30Z"},{"alias_kind":"pith_short_16","alias_value":"HWCZH3N4JZXCKJ5Q","created_at":"2026-05-18T12:26:30Z"},{"alias_kind":"pith_short_8","alias_value":"HWCZH3N4","created_at":"2026-05-18T12:26:30Z"}],"graph_snapshots":[{"event_id":"sha256:684655368f7d51ba40e1c87016af774aff76ab820aae17cf302756eaab8bfe73","target":"graph","created_at":"2026-05-18T04:29:52Z","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 reaction $np \\rightarrow np \\pi^+ \\pi^-$ was studied at the various momenta of incident neutrons. It was shown that the characteristics of the reaction at the momenta above 3 GeV/c could be described by the model of reggeized $\\pi$ exchange (OPER). At the momenta below 3 GeV/c, it was necessary to use additionally the mechanism of one baryon exchange (OBE).","authors_text":"A.P. Jerusalimov, A.V.Belyaev, A.Yu.Troyan, E.B.Plekhanov, Yu.A.Troyan","cross_cats":["hep-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ex","submitted_at":"2011-02-08T11:39:20Z","title":"Study of the Reaction $np \\rightarrow np \\pi^+ \\pi^-$ at Intermediate Energies"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1102.1574","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":"sha256:55d692d9d90d82b5c4c4db5b8937d96e5fe74fb34c28a2866d89a3baa1b186e5","target":"record","created_at":"2026-05-18T04:29:52Z","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":"a7a715cb9b15dd9081410b90b7804b7c743e4d9b5c8d46ae3dab24a5d7d11a8e","cross_cats_sorted":["hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ex","submitted_at":"2011-02-08T11:39:20Z","title_canon_sha256":"35719affffb4a3bffaa64291cca23fe004bbba9b913df46ba8f8c2622889c040"},"schema_version":"1.0","source":{"id":"1102.1574","kind":"arxiv","version":1}},"canonical_sha256":"3d8593edbc4e6e2527b0ce89783543314dcfe5119917601fc53f59efccceb5b4","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3d8593edbc4e6e2527b0ce89783543314dcfe5119917601fc53f59efccceb5b4","first_computed_at":"2026-05-18T04:29:52.951436Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:29:52.951436Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"0vYToPoVQWxtkUZ03BJb7qyMi/q8sp7+kQrDSVt5NUNM+dyPl2HvCNKJYpIKdlFdsvzq4Pts7W84q5/0/GDDAA==","signature_status":"signed_v1","signed_at":"2026-05-18T04:29:52.952103Z","signed_message":"canonical_sha256_bytes"},"source_id":"1102.1574","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:55d692d9d90d82b5c4c4db5b8937d96e5fe74fb34c28a2866d89a3baa1b186e5","sha256:684655368f7d51ba40e1c87016af774aff76ab820aae17cf302756eaab8bfe73"],"state_sha256":"42efc89e3c44ee9de1001a2ca973f3a48535e6959ff8d99011c556d4093bd7e3"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2g6kgqgyoYO5mRl59En80Kw5bnI/xeo1kWDgrUC8G8/TdnWyTPa6T4U/t29kuDsfbIiZvgysEwUs/pVqG2UxCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-08T19:09:53.591993Z","bundle_sha256":"a7dd09cfb533d15a4a887844220a700caa8c5c2164228dc54f6d89041957e4a9"}}