{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:KJB7VRIEUGGGHR2IFXCIZOTS4I","short_pith_number":"pith:KJB7VRIE","canonical_record":{"source":{"id":"1109.3005","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2011-09-14T06:58:47Z","cross_cats_sorted":["hep-ph","nucl-ex"],"title_canon_sha256":"185aa7139fc0e907e5cb791b69408f9a6f55df9e633efbef17545a8cb26feba3","abstract_canon_sha256":"d7d512859bbbf70f75a9d98a65625908c09e64ef3d33098150d3982e118c1a90"},"schema_version":"1.0"},"canonical_sha256":"5243fac504a18c63c7482dc48cba72e2177a416ef84872dd2bb22a8280739911","source":{"kind":"arxiv","id":"1109.3005","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1109.3005","created_at":"2026-05-18T02:00:33Z"},{"alias_kind":"arxiv_version","alias_value":"1109.3005v1","created_at":"2026-05-18T02:00:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1109.3005","created_at":"2026-05-18T02:00:33Z"},{"alias_kind":"pith_short_12","alias_value":"KJB7VRIEUGGG","created_at":"2026-05-18T12:26:32Z"},{"alias_kind":"pith_short_16","alias_value":"KJB7VRIEUGGGHR2I","created_at":"2026-05-18T12:26:32Z"},{"alias_kind":"pith_short_8","alias_value":"KJB7VRIE","created_at":"2026-05-18T12:26:32Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:KJB7VRIEUGGGHR2IFXCIZOTS4I","target":"record","payload":{"canonical_record":{"source":{"id":"1109.3005","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2011-09-14T06:58:47Z","cross_cats_sorted":["hep-ph","nucl-ex"],"title_canon_sha256":"185aa7139fc0e907e5cb791b69408f9a6f55df9e633efbef17545a8cb26feba3","abstract_canon_sha256":"d7d512859bbbf70f75a9d98a65625908c09e64ef3d33098150d3982e118c1a90"},"schema_version":"1.0"},"canonical_sha256":"5243fac504a18c63c7482dc48cba72e2177a416ef84872dd2bb22a8280739911","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:00:33.180698Z","signature_b64":"GPruYmqd2VOpTKaxi8g4gNPoh3hOB+jOYMIqfZdsREpsIJil5SCUu8jrIEmPgymzQKgFdJv1B+uRI4RC0vWQDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5243fac504a18c63c7482dc48cba72e2177a416ef84872dd2bb22a8280739911","last_reissued_at":"2026-05-18T02:00:33.180083Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:00:33.180083Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1109.3005","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":"2026-05-18T02:00:33Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"m0UgPlV4o2udMN6zTm8rHDiRouW6CS7STqH+elzKr6Xh+65Y3MshDtSb5Byox1eqL0QZoQvxEl8rU9OBnrlTDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-01T09:38:43.068305Z"},"content_sha256":"8354c1bf1ec3fd3b4ceb5c52207687a2d240fd1fd1eb493bc706738c61e6f847","schema_version":"1.0","event_id":"sha256:8354c1bf1ec3fd3b4ceb5c52207687a2d240fd1fd1eb493bc706738c61e6f847"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:KJB7VRIEUGGGHR2IFXCIZOTS4I","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Improved constraints on chiral SU(3) dynamics from kaonic hydrogen","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ph","nucl-ex"],"primary_cat":"nucl-th","authors_text":"Tech. U.), Tetsuo Hyodo (Tokyo Inst. Tech), Wolfram Weise (Munich, Yoichi Ikeda (Tokyo Inst. Tech.)","submitted_at":"2011-09-14T06:58:47Z","abstract_excerpt":"A new improved study of K^- - proton interactions near threshold is performed using coupled-channels dynamics based on the next-to-leading order chiral SU(3) meson-baryon effective Lagrangian. Accurate constraints are now provided by new high-precision kaonic hydrogen measurements. Together with threshold branching ratios and scattering data, these constraints permit an updated analysis of the complex barK N and pi Sigma coupled-channels amplitudes and an improved determination of the K^- p scattering length, including uncertainty estimates."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1109.3005","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":"2026-05-18T02:00:33Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"UISLvEu4iHjtWyNJfAekoHjuFwoAsEnKzrNbXv3sRKu889P1Xw5popQRXd7OI8jLicp2ahUuX8J0ch2ID1lNDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-01T09:38:43.068934Z"},"content_sha256":"5dcbc9949f782ab8a06c1882ec5efb6926e605f4ede293ee608e3ee568705bd7","schema_version":"1.0","event_id":"sha256:5dcbc9949f782ab8a06c1882ec5efb6926e605f4ede293ee608e3ee568705bd7"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/KJB7VRIEUGGGHR2IFXCIZOTS4I/bundle.json","state_url":"https://pith.science/pith/KJB7VRIEUGGGHR2IFXCIZOTS4I/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/KJB7VRIEUGGGHR2IFXCIZOTS4I/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":"2026-07-01T09:38:43Z","links":{"resolver":"https://pith.science/pith/KJB7VRIEUGGGHR2IFXCIZOTS4I","bundle":"https://pith.science/pith/KJB7VRIEUGGGHR2IFXCIZOTS4I/bundle.json","state":"https://pith.science/pith/KJB7VRIEUGGGHR2IFXCIZOTS4I/state.json","well_known_bundle":"https://pith.science/.well-known/pith/KJB7VRIEUGGGHR2IFXCIZOTS4I/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:KJB7VRIEUGGGHR2IFXCIZOTS4I","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":"d7d512859bbbf70f75a9d98a65625908c09e64ef3d33098150d3982e118c1a90","cross_cats_sorted":["hep-ph","nucl-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2011-09-14T06:58:47Z","title_canon_sha256":"185aa7139fc0e907e5cb791b69408f9a6f55df9e633efbef17545a8cb26feba3"},"schema_version":"1.0","source":{"id":"1109.3005","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1109.3005","created_at":"2026-05-18T02:00:33Z"},{"alias_kind":"arxiv_version","alias_value":"1109.3005v1","created_at":"2026-05-18T02:00:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1109.3005","created_at":"2026-05-18T02:00:33Z"},{"alias_kind":"pith_short_12","alias_value":"KJB7VRIEUGGG","created_at":"2026-05-18T12:26:32Z"},{"alias_kind":"pith_short_16","alias_value":"KJB7VRIEUGGGHR2I","created_at":"2026-05-18T12:26:32Z"},{"alias_kind":"pith_short_8","alias_value":"KJB7VRIE","created_at":"2026-05-18T12:26:32Z"}],"graph_snapshots":[{"event_id":"sha256:5dcbc9949f782ab8a06c1882ec5efb6926e605f4ede293ee608e3ee568705bd7","target":"graph","created_at":"2026-05-18T02:00:33Z","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":"A new improved study of K^- - proton interactions near threshold is performed using coupled-channels dynamics based on the next-to-leading order chiral SU(3) meson-baryon effective Lagrangian. Accurate constraints are now provided by new high-precision kaonic hydrogen measurements. Together with threshold branching ratios and scattering data, these constraints permit an updated analysis of the complex barK N and pi Sigma coupled-channels amplitudes and an improved determination of the K^- p scattering length, including uncertainty estimates.","authors_text":"Tech. U.), Tetsuo Hyodo (Tokyo Inst. Tech), Wolfram Weise (Munich, Yoichi Ikeda (Tokyo Inst. Tech.)","cross_cats":["hep-ph","nucl-ex"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2011-09-14T06:58:47Z","title":"Improved constraints on chiral SU(3) dynamics from kaonic hydrogen"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1109.3005","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":"sha256:8354c1bf1ec3fd3b4ceb5c52207687a2d240fd1fd1eb493bc706738c61e6f847","target":"record","created_at":"2026-05-18T02:00:33Z","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":"d7d512859bbbf70f75a9d98a65625908c09e64ef3d33098150d3982e118c1a90","cross_cats_sorted":["hep-ph","nucl-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2011-09-14T06:58:47Z","title_canon_sha256":"185aa7139fc0e907e5cb791b69408f9a6f55df9e633efbef17545a8cb26feba3"},"schema_version":"1.0","source":{"id":"1109.3005","kind":"arxiv","version":1}},"canonical_sha256":"5243fac504a18c63c7482dc48cba72e2177a416ef84872dd2bb22a8280739911","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5243fac504a18c63c7482dc48cba72e2177a416ef84872dd2bb22a8280739911","first_computed_at":"2026-05-18T02:00:33.180083Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:00:33.180083Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"GPruYmqd2VOpTKaxi8g4gNPoh3hOB+jOYMIqfZdsREpsIJil5SCUu8jrIEmPgymzQKgFdJv1B+uRI4RC0vWQDw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:00:33.180698Z","signed_message":"canonical_sha256_bytes"},"source_id":"1109.3005","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8354c1bf1ec3fd3b4ceb5c52207687a2d240fd1fd1eb493bc706738c61e6f847","sha256:5dcbc9949f782ab8a06c1882ec5efb6926e605f4ede293ee608e3ee568705bd7"],"state_sha256":"8672c1c976f3669c522eeb5cabe414ed3f99802dcaee3eda8e1cd40c540a27eb"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"DoFsD4BWkqU/Tkv1ia0N4OTTL6utXueK+iDUCRIuiNb+av2j/xWPsEZAGsAb/0HUqU4S7la/06CRsoPzCNx9BQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-01T09:38:43.072188Z","bundle_sha256":"d9f4afcc2a71247fc34b24e2c0b1572d051bbf43e04e7566f7461f9d467596d4"}}