{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:1996:MKQLQPYUL5OQ7KF6BPLKPZV4UH","short_pith_number":"pith:MKQLQPYU","canonical_record":{"source":{"id":"hep-ph/9607459","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"hep-ph","submitted_at":"1996-07-29T13:11:42Z","cross_cats_sorted":[],"title_canon_sha256":"0fd6ea8ba7e41a5fbed84c46dd5e841b898633629af8d840893dfe2882212058","abstract_canon_sha256":"021f4b40b357cb748639a4aff3387c8072cea228740d9335e7cd7df3c5cec2cf"},"schema_version":"1.0"},"canonical_sha256":"62a0b83f145f5d0fa8be0bd6a7e6bca1f81eacb8bf83280dec2a823ea602cad9","source":{"kind":"arxiv","id":"hep-ph/9607459","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-ph/9607459","created_at":"2026-05-18T01:06:18Z"},{"alias_kind":"arxiv_version","alias_value":"hep-ph/9607459v1","created_at":"2026-05-18T01:06:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-ph/9607459","created_at":"2026-05-18T01:06:18Z"},{"alias_kind":"pith_short_12","alias_value":"MKQLQPYUL5OQ","created_at":"2026-05-18T12:25:48Z"},{"alias_kind":"pith_short_16","alias_value":"MKQLQPYUL5OQ7KF6","created_at":"2026-05-18T12:25:48Z"},{"alias_kind":"pith_short_8","alias_value":"MKQLQPYU","created_at":"2026-05-18T12:25:48Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:1996:MKQLQPYUL5OQ7KF6BPLKPZV4UH","target":"record","payload":{"canonical_record":{"source":{"id":"hep-ph/9607459","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"hep-ph","submitted_at":"1996-07-29T13:11:42Z","cross_cats_sorted":[],"title_canon_sha256":"0fd6ea8ba7e41a5fbed84c46dd5e841b898633629af8d840893dfe2882212058","abstract_canon_sha256":"021f4b40b357cb748639a4aff3387c8072cea228740d9335e7cd7df3c5cec2cf"},"schema_version":"1.0"},"canonical_sha256":"62a0b83f145f5d0fa8be0bd6a7e6bca1f81eacb8bf83280dec2a823ea602cad9","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:06:18.295380Z","signature_b64":"7PumS2nNUp/9KGA7bmTqjHJIDkMjS5LkBB8fSx2/izMDE/zcdcc8weli2k3Rnbe1kRyNH60T91l2kK/w/g3pBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"62a0b83f145f5d0fa8be0bd6a7e6bca1f81eacb8bf83280dec2a823ea602cad9","last_reissued_at":"2026-05-18T01:06:18.294806Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:06:18.294806Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"hep-ph/9607459","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":"2026-05-18T01:06:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gWUQ7C3qlWhwR7G4K0RkUdQm+D7ng828qkRljQlnFd5WhIsxYHcXaJj8kftciStmvoqL0Nhx2x8YKQuyZgo8Dw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-23T06:07:20.836296Z"},"content_sha256":"8a62056f5a4e1bf4bc8d8e70486668422f3d08400cbe3cb26e75034fa4fd7578","schema_version":"1.0","event_id":"sha256:8a62056f5a4e1bf4bc8d8e70486668422f3d08400cbe3cb26e75034fa4fd7578"},{"event_type":"graph_snapshot","subject_pith_number":"pith:1996:MKQLQPYUL5OQ7KF6BPLKPZV4UH","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"SU(3) Chiral Dynamics with Coupled Channels: Eta and Kaon Photoproduction","license":"","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"N. Kaiser, T. Waas, W. Weise","submitted_at":"1996-07-29T13:11:42Z","abstract_excerpt":"We identify the leading s-wave amplitudes of the SU(3) chiral meson-baryon Lagrangian with an effective coupled-channel potential which is iterated in a Lippmann-Schwinger equation. The strangeness $S=-1$ resonance $\\Lambda(1405)$ and the $S_{11}(1535)$ nucleon resonance emerge as quasi-bound states of anti-kaon/nucleon and kaon/$\\Sigma$-hyperon. Our approach to meson photoproduction introduces no new parameters. By adjusting a few finite range parameters we are able to simultaneously describe a large amount of low energy data. These include the cross sections of $K^-p$ elastic and inelastic s"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ph/9607459","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":"2026-05-18T01:06:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MuNJXyxgzRpo0pklwbnFC0KuxBDKIyv9AGQxyF21MqwVCeQKBeUZYwpkWIk65gvXOpIAQWshH2Vd2TZ0tv8KDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-23T06:07:20.836666Z"},"content_sha256":"5840a454ee64495c9a221fbd0214e8e1d55cfea1e2619d15da3742c340974fe9","schema_version":"1.0","event_id":"sha256:5840a454ee64495c9a221fbd0214e8e1d55cfea1e2619d15da3742c340974fe9"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/MKQLQPYUL5OQ7KF6BPLKPZV4UH/bundle.json","state_url":"https://pith.science/pith/MKQLQPYUL5OQ7KF6BPLKPZV4UH/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/MKQLQPYUL5OQ7KF6BPLKPZV4UH/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":"2026-05-23T06:07:20Z","links":{"resolver":"https://pith.science/pith/MKQLQPYUL5OQ7KF6BPLKPZV4UH","bundle":"https://pith.science/pith/MKQLQPYUL5OQ7KF6BPLKPZV4UH/bundle.json","state":"https://pith.science/pith/MKQLQPYUL5OQ7KF6BPLKPZV4UH/state.json","well_known_bundle":"https://pith.science/.well-known/pith/MKQLQPYUL5OQ7KF6BPLKPZV4UH/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:1996:MKQLQPYUL5OQ7KF6BPLKPZV4UH","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":"021f4b40b357cb748639a4aff3387c8072cea228740d9335e7cd7df3c5cec2cf","cross_cats_sorted":[],"license":"","primary_cat":"hep-ph","submitted_at":"1996-07-29T13:11:42Z","title_canon_sha256":"0fd6ea8ba7e41a5fbed84c46dd5e841b898633629af8d840893dfe2882212058"},"schema_version":"1.0","source":{"id":"hep-ph/9607459","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-ph/9607459","created_at":"2026-05-18T01:06:18Z"},{"alias_kind":"arxiv_version","alias_value":"hep-ph/9607459v1","created_at":"2026-05-18T01:06:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-ph/9607459","created_at":"2026-05-18T01:06:18Z"},{"alias_kind":"pith_short_12","alias_value":"MKQLQPYUL5OQ","created_at":"2026-05-18T12:25:48Z"},{"alias_kind":"pith_short_16","alias_value":"MKQLQPYUL5OQ7KF6","created_at":"2026-05-18T12:25:48Z"},{"alias_kind":"pith_short_8","alias_value":"MKQLQPYU","created_at":"2026-05-18T12:25:48Z"}],"graph_snapshots":[{"event_id":"sha256:5840a454ee64495c9a221fbd0214e8e1d55cfea1e2619d15da3742c340974fe9","target":"graph","created_at":"2026-05-18T01:06:18Z","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 identify the leading s-wave amplitudes of the SU(3) chiral meson-baryon Lagrangian with an effective coupled-channel potential which is iterated in a Lippmann-Schwinger equation. The strangeness $S=-1$ resonance $\\Lambda(1405)$ and the $S_{11}(1535)$ nucleon resonance emerge as quasi-bound states of anti-kaon/nucleon and kaon/$\\Sigma$-hyperon. Our approach to meson photoproduction introduces no new parameters. By adjusting a few finite range parameters we are able to simultaneously describe a large amount of low energy data. These include the cross sections of $K^-p$ elastic and inelastic s","authors_text":"N. Kaiser, T. Waas, W. Weise","cross_cats":[],"headline":"","license":"","primary_cat":"hep-ph","submitted_at":"1996-07-29T13:11:42Z","title":"SU(3) Chiral Dynamics with Coupled Channels: Eta and Kaon Photoproduction"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ph/9607459","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":"sha256:8a62056f5a4e1bf4bc8d8e70486668422f3d08400cbe3cb26e75034fa4fd7578","target":"record","created_at":"2026-05-18T01:06:18Z","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":"021f4b40b357cb748639a4aff3387c8072cea228740d9335e7cd7df3c5cec2cf","cross_cats_sorted":[],"license":"","primary_cat":"hep-ph","submitted_at":"1996-07-29T13:11:42Z","title_canon_sha256":"0fd6ea8ba7e41a5fbed84c46dd5e841b898633629af8d840893dfe2882212058"},"schema_version":"1.0","source":{"id":"hep-ph/9607459","kind":"arxiv","version":1}},"canonical_sha256":"62a0b83f145f5d0fa8be0bd6a7e6bca1f81eacb8bf83280dec2a823ea602cad9","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"62a0b83f145f5d0fa8be0bd6a7e6bca1f81eacb8bf83280dec2a823ea602cad9","first_computed_at":"2026-05-18T01:06:18.294806Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:06:18.294806Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"7PumS2nNUp/9KGA7bmTqjHJIDkMjS5LkBB8fSx2/izMDE/zcdcc8weli2k3Rnbe1kRyNH60T91l2kK/w/g3pBA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:06:18.295380Z","signed_message":"canonical_sha256_bytes"},"source_id":"hep-ph/9607459","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8a62056f5a4e1bf4bc8d8e70486668422f3d08400cbe3cb26e75034fa4fd7578","sha256:5840a454ee64495c9a221fbd0214e8e1d55cfea1e2619d15da3742c340974fe9"],"state_sha256":"3f9ac948800f628b00e606e857a7be0754ffc22b75b3e333c5c3276967f1fba2"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"c1sxe/crss9ho3vd5atkA3DMh2P4PMuecfprbHfBL3Vr58oeaO97h/3vzrdjJGoJJq+C+0ry9Lf2pS4a5M/lAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-23T06:07:20.839785Z","bundle_sha256":"c6fa10faa788e33538201583e0780feeb7bb218d015d98129b3bdd34db264dfe"}}