{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:1997:KBF2QPXAHMQ6UXMXKXQ6OCHB45","short_pith_number":"pith:KBF2QPXA","canonical_record":{"source":{"id":"hep-ph/9705437","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"hep-ph","submitted_at":"1997-05-27T14:56:52Z","cross_cats_sorted":[],"title_canon_sha256":"1c66b223afa6372811b2e8abd4535651ac09ef4060ab0c2e840922d2d275831b","abstract_canon_sha256":"4caec65db00b5eb8ad55e09450993e2435e35be8197ff671f0a0a77928f71b7d"},"schema_version":"1.0"},"canonical_sha256":"504ba83ee03b21ea5d9755e1e708e1e7786be6a8950222fae8c4c81a353584e3","source":{"kind":"arxiv","id":"hep-ph/9705437","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-ph/9705437","created_at":"2026-07-04T15:18:23Z"},{"alias_kind":"arxiv_version","alias_value":"hep-ph/9705437v1","created_at":"2026-07-04T15:18:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-ph/9705437","created_at":"2026-07-04T15:18:23Z"},{"alias_kind":"pith_short_12","alias_value":"KBF2QPXAHMQ6","created_at":"2026-07-04T15:18:23Z"},{"alias_kind":"pith_short_16","alias_value":"KBF2QPXAHMQ6UXMX","created_at":"2026-07-04T15:18:23Z"},{"alias_kind":"pith_short_8","alias_value":"KBF2QPXA","created_at":"2026-07-04T15:18:23Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:1997:KBF2QPXAHMQ6UXMXKXQ6OCHB45","target":"record","payload":{"canonical_record":{"source":{"id":"hep-ph/9705437","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"hep-ph","submitted_at":"1997-05-27T14:56:52Z","cross_cats_sorted":[],"title_canon_sha256":"1c66b223afa6372811b2e8abd4535651ac09ef4060ab0c2e840922d2d275831b","abstract_canon_sha256":"4caec65db00b5eb8ad55e09450993e2435e35be8197ff671f0a0a77928f71b7d"},"schema_version":"1.0"},"canonical_sha256":"504ba83ee03b21ea5d9755e1e708e1e7786be6a8950222fae8c4c81a353584e3","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T15:18:23.448588Z","signature_b64":"P9gz0vy0e4PtsohQtNjSFHxTYggTFjRrz02GFFAo5AkvdwO/0rLynFCRwo8f9DLzH0Jf3ywfhEXzITv69ax2AQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"504ba83ee03b21ea5d9755e1e708e1e7786be6a8950222fae8c4c81a353584e3","last_reissued_at":"2026-07-04T15:18:23.448141Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T15:18:23.448141Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"hep-ph/9705437","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":"2026-07-04T15:18:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"s05qYFviMEUR9bO79QdmJLqM4pXdsVlvDnRrpytZh3/KS8+0bDAUUMGdUAEjrsn+pT2OqnEYJtuxl+QdnKQIBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-09T02:12:05.552061Z"},"content_sha256":"8f3f0d9ee4193af89c097acb81c64a818a2271feb02cb280ae826529658e8879","schema_version":"1.0","event_id":"sha256:8f3f0d9ee4193af89c097acb81c64a818a2271feb02cb280ae826529658e8879"},{"event_type":"graph_snapshot","subject_pith_number":"pith:1997:KBF2QPXAHMQ6UXMXKXQ6OCHB45","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Analysis of K\\pi-scattering phase shift and existence of \\kappa(900)-particle","license":"","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"Kunio Takamatsu, Muneyuki Ishida, Shin Ishida, Taku Ishida, Tsuneaki Tsuru","submitted_at":"1997-05-27T14:56:52Z","abstract_excerpt":"Recently we have shown an evidence for existence of \\sigma-particle in the previous works; where the \\pi\\pi S-wave phase shift is reanalyzed, by introducing a repulsive background suggested by the chiral symmetry, and by applying a new method of Interfering Breit-Wigner Amplitudes. In this work we also show, reanalyzing the K\\pi S-wave phase shift from a similar standpoint, an evidence for existence of \\kappa(900), possibly to be a member of \\sigma-nonet."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ph/9705437","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/hep-ph/9705437/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-04T15:18:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"TJAp42Sw6jGeNleyuEffR6QFSjUE4v5v5g/Q6nr4L4lembIkVex9kmYwt111ue/PtcVObIvCW+mtHUPxK4ZiAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-09T02:12:05.552614Z"},"content_sha256":"024c879f887ed40bc3615561cc8e16714b58581a5361bdb7b415e8687bfa2774","schema_version":"1.0","event_id":"sha256:024c879f887ed40bc3615561cc8e16714b58581a5361bdb7b415e8687bfa2774"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/KBF2QPXAHMQ6UXMXKXQ6OCHB45/bundle.json","state_url":"https://pith.science/pith/KBF2QPXAHMQ6UXMXKXQ6OCHB45/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/KBF2QPXAHMQ6UXMXKXQ6OCHB45/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":"2026-08-09T02:12:05Z","links":{"resolver":"https://pith.science/pith/KBF2QPXAHMQ6UXMXKXQ6OCHB45","bundle":"https://pith.science/pith/KBF2QPXAHMQ6UXMXKXQ6OCHB45/bundle.json","state":"https://pith.science/pith/KBF2QPXAHMQ6UXMXKXQ6OCHB45/state.json","well_known_bundle":"https://pith.science/.well-known/pith/KBF2QPXAHMQ6UXMXKXQ6OCHB45/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:1997:KBF2QPXAHMQ6UXMXKXQ6OCHB45","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":"4caec65db00b5eb8ad55e09450993e2435e35be8197ff671f0a0a77928f71b7d","cross_cats_sorted":[],"license":"","primary_cat":"hep-ph","submitted_at":"1997-05-27T14:56:52Z","title_canon_sha256":"1c66b223afa6372811b2e8abd4535651ac09ef4060ab0c2e840922d2d275831b"},"schema_version":"1.0","source":{"id":"hep-ph/9705437","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-ph/9705437","created_at":"2026-07-04T15:18:23Z"},{"alias_kind":"arxiv_version","alias_value":"hep-ph/9705437v1","created_at":"2026-07-04T15:18:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-ph/9705437","created_at":"2026-07-04T15:18:23Z"},{"alias_kind":"pith_short_12","alias_value":"KBF2QPXAHMQ6","created_at":"2026-07-04T15:18:23Z"},{"alias_kind":"pith_short_16","alias_value":"KBF2QPXAHMQ6UXMX","created_at":"2026-07-04T15:18:23Z"},{"alias_kind":"pith_short_8","alias_value":"KBF2QPXA","created_at":"2026-07-04T15:18:23Z"}],"graph_snapshots":[{"event_id":"sha256:024c879f887ed40bc3615561cc8e16714b58581a5361bdb7b415e8687bfa2774","target":"graph","created_at":"2026-07-04T15:18:23Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/hep-ph/9705437/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Recently we have shown an evidence for existence of \\sigma-particle in the previous works; where the \\pi\\pi S-wave phase shift is reanalyzed, by introducing a repulsive background suggested by the chiral symmetry, and by applying a new method of Interfering Breit-Wigner Amplitudes. In this work we also show, reanalyzing the K\\pi S-wave phase shift from a similar standpoint, an evidence for existence of \\kappa(900), possibly to be a member of \\sigma-nonet.","authors_text":"Kunio Takamatsu, Muneyuki Ishida, Shin Ishida, Taku Ishida, Tsuneaki Tsuru","cross_cats":[],"headline":"","license":"","primary_cat":"hep-ph","submitted_at":"1997-05-27T14:56:52Z","title":"Analysis of K\\pi-scattering phase shift and existence of \\kappa(900)-particle"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ph/9705437","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":"sha256:8f3f0d9ee4193af89c097acb81c64a818a2271feb02cb280ae826529658e8879","target":"record","created_at":"2026-07-04T15:18:23Z","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":"4caec65db00b5eb8ad55e09450993e2435e35be8197ff671f0a0a77928f71b7d","cross_cats_sorted":[],"license":"","primary_cat":"hep-ph","submitted_at":"1997-05-27T14:56:52Z","title_canon_sha256":"1c66b223afa6372811b2e8abd4535651ac09ef4060ab0c2e840922d2d275831b"},"schema_version":"1.0","source":{"id":"hep-ph/9705437","kind":"arxiv","version":1}},"canonical_sha256":"504ba83ee03b21ea5d9755e1e708e1e7786be6a8950222fae8c4c81a353584e3","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"504ba83ee03b21ea5d9755e1e708e1e7786be6a8950222fae8c4c81a353584e3","first_computed_at":"2026-07-04T15:18:23.448141Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T15:18:23.448141Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"P9gz0vy0e4PtsohQtNjSFHxTYggTFjRrz02GFFAo5AkvdwO/0rLynFCRwo8f9DLzH0Jf3ywfhEXzITv69ax2AQ==","signature_status":"signed_v1","signed_at":"2026-07-04T15:18:23.448588Z","signed_message":"canonical_sha256_bytes"},"source_id":"hep-ph/9705437","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8f3f0d9ee4193af89c097acb81c64a818a2271feb02cb280ae826529658e8879","sha256:024c879f887ed40bc3615561cc8e16714b58581a5361bdb7b415e8687bfa2774"],"state_sha256":"d95c008aaf3cdadb3eb41fb4e6626a67e692c3dec5b535cd9b263bd770561102"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"pWCs2fqT+lz3M8EJQlnBpb3B3aMVfjdfXPhNJPKaRKz+UfiW/Qhn3GBdAKVogewFtogffyBZucylg7hiOwBkAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-09T02:12:05.557140Z","bundle_sha256":"70d7957cf52886608f1eee3bee84d108aa5e0e07af4e4c44befa2a026aed29a4"}}