{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2008:YEQ6VGAG6JDQBIPKXLTPBWSYZR","short_pith_number":"pith:YEQ6VGAG","canonical_record":{"source":{"id":"0811.0869","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2008-11-06T05:03:16Z","cross_cats_sorted":[],"title_canon_sha256":"d21118a580cd80aa48153f3edc646d8b729e4f716f00643ca2c7042e7186a845","abstract_canon_sha256":"8ddfd2cd03bc71e6facaaf548ae32973ce63449761976d628db0a5b9b8549933"},"schema_version":"1.0"},"canonical_sha256":"c121ea9806f24700a1eabae6f0da58cc414c951f0323e234831efd4e0efe95f0","source":{"kind":"arxiv","id":"0811.0869","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0811.0869","created_at":"2026-05-18T02:15:22Z"},{"alias_kind":"arxiv_version","alias_value":"0811.0869v1","created_at":"2026-05-18T02:15:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0811.0869","created_at":"2026-05-18T02:15:22Z"},{"alias_kind":"pith_short_12","alias_value":"YEQ6VGAG6JDQ","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_16","alias_value":"YEQ6VGAG6JDQBIPK","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_8","alias_value":"YEQ6VGAG","created_at":"2026-05-18T12:25:58Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2008:YEQ6VGAG6JDQBIPKXLTPBWSYZR","target":"record","payload":{"canonical_record":{"source":{"id":"0811.0869","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2008-11-06T05:03:16Z","cross_cats_sorted":[],"title_canon_sha256":"d21118a580cd80aa48153f3edc646d8b729e4f716f00643ca2c7042e7186a845","abstract_canon_sha256":"8ddfd2cd03bc71e6facaaf548ae32973ce63449761976d628db0a5b9b8549933"},"schema_version":"1.0"},"canonical_sha256":"c121ea9806f24700a1eabae6f0da58cc414c951f0323e234831efd4e0efe95f0","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:15:22.026613Z","signature_b64":"JnOFRRYPFMzUpabbTpH2XtyNdphfCYr4t3sbqq1akLq0+dDSZMiE6tiiDKE55/7J8Cz8puq4yXlSZIpn4lQ0BQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c121ea9806f24700a1eabae6f0da58cc414c951f0323e234831efd4e0efe95f0","last_reissued_at":"2026-05-18T02:15:22.025860Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:15:22.025860Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0811.0869","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":"2026-05-18T02:15:22Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RN4chgB0gj2A/vVPVBqN27h5BbLu5lrbcnpFZbN/R7ZACLs/ELdGjn3cCQTpAdMzjLzsH+Tcl9tnQDBvLdN5Cg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T05:12:33.702260Z"},"content_sha256":"4c1cddc33d5575ace1d5a3e61c0ed8889ba1aa88e1de13bd22266157c6d2d325","schema_version":"1.0","event_id":"sha256:4c1cddc33d5575ace1d5a3e61c0ed8889ba1aa88e1de13bd22266157c6d2d325"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2008:YEQ6VGAG6JDQBIPKXLTPBWSYZR","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Chiral SU(3) dynamics and the quasibound K^-pp cluster","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"nucl-th","authors_text":"Akinobu Dot\\'e, Tetsuo Hyodo, Wolfram Weise","submitted_at":"2008-11-06T05:03:16Z","abstract_excerpt":"The prototype of a Kbar nuclear cluster, K^-pp, has been investigated using effective KbarN potentials based on chiral SU(3) dynamics. Variational calculation shows a bound state solution with shallow binding energy B(K^-pp)=20 \\pm 3 MeV and broad mesonic decay width \\Gamma(KbarNN -> \\pi Y N)=40 - 70 MeV. The KbarN(I=0) pair in the K^-pp system exhibits a similar structure as the \\Lambda(1405). We have also estimated the dispersive correction, p-wave KbarN interaction, and two-nucleon absorption width."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0811.0869","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":"2026-05-18T02:15:22Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"XTN4we7LVBweAvGUCLyO0/W0dpBONReqblo1Ma1OTLEqccsDV4OnR7q9CeWgrRTGxxe2YnjFtVmNuIBSFSlAAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T05:12:33.702620Z"},"content_sha256":"a4f3a2b1413d0d18d5afed8f96ebb2469f18947ddbbfa56c33258def5e1f050a","schema_version":"1.0","event_id":"sha256:a4f3a2b1413d0d18d5afed8f96ebb2469f18947ddbbfa56c33258def5e1f050a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/YEQ6VGAG6JDQBIPKXLTPBWSYZR/bundle.json","state_url":"https://pith.science/pith/YEQ6VGAG6JDQBIPKXLTPBWSYZR/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/YEQ6VGAG6JDQBIPKXLTPBWSYZR/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":"2026-06-02T05:12:33Z","links":{"resolver":"https://pith.science/pith/YEQ6VGAG6JDQBIPKXLTPBWSYZR","bundle":"https://pith.science/pith/YEQ6VGAG6JDQBIPKXLTPBWSYZR/bundle.json","state":"https://pith.science/pith/YEQ6VGAG6JDQBIPKXLTPBWSYZR/state.json","well_known_bundle":"https://pith.science/.well-known/pith/YEQ6VGAG6JDQBIPKXLTPBWSYZR/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2008:YEQ6VGAG6JDQBIPKXLTPBWSYZR","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":"8ddfd2cd03bc71e6facaaf548ae32973ce63449761976d628db0a5b9b8549933","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2008-11-06T05:03:16Z","title_canon_sha256":"d21118a580cd80aa48153f3edc646d8b729e4f716f00643ca2c7042e7186a845"},"schema_version":"1.0","source":{"id":"0811.0869","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0811.0869","created_at":"2026-05-18T02:15:22Z"},{"alias_kind":"arxiv_version","alias_value":"0811.0869v1","created_at":"2026-05-18T02:15:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0811.0869","created_at":"2026-05-18T02:15:22Z"},{"alias_kind":"pith_short_12","alias_value":"YEQ6VGAG6JDQ","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_16","alias_value":"YEQ6VGAG6JDQBIPK","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_8","alias_value":"YEQ6VGAG","created_at":"2026-05-18T12:25:58Z"}],"graph_snapshots":[{"event_id":"sha256:a4f3a2b1413d0d18d5afed8f96ebb2469f18947ddbbfa56c33258def5e1f050a","target":"graph","created_at":"2026-05-18T02:15:22Z","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 prototype of a Kbar nuclear cluster, K^-pp, has been investigated using effective KbarN potentials based on chiral SU(3) dynamics. Variational calculation shows a bound state solution with shallow binding energy B(K^-pp)=20 \\pm 3 MeV and broad mesonic decay width \\Gamma(KbarNN -> \\pi Y N)=40 - 70 MeV. The KbarN(I=0) pair in the K^-pp system exhibits a similar structure as the \\Lambda(1405). We have also estimated the dispersive correction, p-wave KbarN interaction, and two-nucleon absorption width.","authors_text":"Akinobu Dot\\'e, Tetsuo Hyodo, Wolfram Weise","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2008-11-06T05:03:16Z","title":"Chiral SU(3) dynamics and the quasibound K^-pp cluster"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0811.0869","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":"sha256:4c1cddc33d5575ace1d5a3e61c0ed8889ba1aa88e1de13bd22266157c6d2d325","target":"record","created_at":"2026-05-18T02:15:22Z","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":"8ddfd2cd03bc71e6facaaf548ae32973ce63449761976d628db0a5b9b8549933","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2008-11-06T05:03:16Z","title_canon_sha256":"d21118a580cd80aa48153f3edc646d8b729e4f716f00643ca2c7042e7186a845"},"schema_version":"1.0","source":{"id":"0811.0869","kind":"arxiv","version":1}},"canonical_sha256":"c121ea9806f24700a1eabae6f0da58cc414c951f0323e234831efd4e0efe95f0","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c121ea9806f24700a1eabae6f0da58cc414c951f0323e234831efd4e0efe95f0","first_computed_at":"2026-05-18T02:15:22.025860Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:15:22.025860Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"JnOFRRYPFMzUpabbTpH2XtyNdphfCYr4t3sbqq1akLq0+dDSZMiE6tiiDKE55/7J8Cz8puq4yXlSZIpn4lQ0BQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:15:22.026613Z","signed_message":"canonical_sha256_bytes"},"source_id":"0811.0869","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4c1cddc33d5575ace1d5a3e61c0ed8889ba1aa88e1de13bd22266157c6d2d325","sha256:a4f3a2b1413d0d18d5afed8f96ebb2469f18947ddbbfa56c33258def5e1f050a"],"state_sha256":"2ca556cb4a6ddc738ed35144808f84be548d31399315833eabde2fc199c50c73"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Y1bFBKaK1DdxYMDap3yP0re7N+TaVyqKQuoSR/VgQMseySinKxBFGKBvUHpquuv3x5vkVFrYIB4qX/chyfgIAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-02T05:12:33.704576Z","bundle_sha256":"c3c143c4c1eb4902861da5b8b8c47a9a652edc6f83baab248fdecae8d92448f0"}}