{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:VBIGNYJLPF5GCTSGXOBTDMYQLC","short_pith_number":"pith:VBIGNYJL","canonical_record":{"source":{"id":"1701.04881","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2017-01-17T21:44:18Z","cross_cats_sorted":["hep-ex","nucl-th"],"title_canon_sha256":"c73dc588eb872183d1420ab11e5481950cd5604b0dccf56dfb50a2ba0edcfc5a","abstract_canon_sha256":"45025f73414d9d4bdfb15737498153db3f78ad5b51ebb2b669de8c64be243e09"},"schema_version":"1.0"},"canonical_sha256":"a85066e12b797a614e46bb8331b31058b50fdefb8a6d400e483f31792b5644ce","source":{"kind":"arxiv","id":"1701.04881","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1701.04881","created_at":"2026-05-18T00:30:05Z"},{"alias_kind":"arxiv_version","alias_value":"1701.04881v2","created_at":"2026-05-18T00:30:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1701.04881","created_at":"2026-05-18T00:30:05Z"},{"alias_kind":"pith_short_12","alias_value":"VBIGNYJLPF5G","created_at":"2026-05-18T12:31:49Z"},{"alias_kind":"pith_short_16","alias_value":"VBIGNYJLPF5GCTSG","created_at":"2026-05-18T12:31:49Z"},{"alias_kind":"pith_short_8","alias_value":"VBIGNYJL","created_at":"2026-05-18T12:31:49Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:VBIGNYJLPF5GCTSGXOBTDMYQLC","target":"record","payload":{"canonical_record":{"source":{"id":"1701.04881","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2017-01-17T21:44:18Z","cross_cats_sorted":["hep-ex","nucl-th"],"title_canon_sha256":"c73dc588eb872183d1420ab11e5481950cd5604b0dccf56dfb50a2ba0edcfc5a","abstract_canon_sha256":"45025f73414d9d4bdfb15737498153db3f78ad5b51ebb2b669de8c64be243e09"},"schema_version":"1.0"},"canonical_sha256":"a85066e12b797a614e46bb8331b31058b50fdefb8a6d400e483f31792b5644ce","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:30:05.880128Z","signature_b64":"BHC4x7+aoOTgNR1AGRtd/5zrWHg371oto65SwUJWlCTNqFVl5MPcpkG6VShc57NEZNmjT2hQh2fMdjDLAHGhBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a85066e12b797a614e46bb8331b31058b50fdefb8a6d400e483f31792b5644ce","last_reissued_at":"2026-05-18T00:30:05.879666Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:30:05.879666Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1701.04881","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:30:05Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"YSn0gN+uQHRVi5N/GVWGp9ROrDU7RMXCCmeRTFWLWqhY0vnVQsIF7gl1wp/U4Ah3QQv3sM87NbBlI6bvCxGbDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T05:42:34.913001Z"},"content_sha256":"6d16c2e5314b85516fdc6b6030766171507f6a6cc8ea24a4bd4a86674d36c797","schema_version":"1.0","event_id":"sha256:6d16c2e5314b85516fdc6b6030766171507f6a6cc8ea24a4bd4a86674d36c797"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:VBIGNYJLPF5GCTSGXOBTDMYQLC","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"$K\\pi$ $I=1/2$ $S$-wave from $\\eta_c$ decay data at BaBar and classic Meson-Meson scattering from LASS","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ex","nucl-th"],"primary_cat":"hep-ph","authors_text":"A. Palano, M.R. Pennington","submitted_at":"2017-01-17T21:44:18Z","abstract_excerpt":"A recent analysis of data on the two photon production of the $\\eta_c$ and its decay to $K(K\\pi)$ has determined the $K\\pi$ $S$-wave amplitude in a \"model-independent\" way assuming primarily that the additional kaon is a spectator in this decay. The purpose of this paper is to fit these results, together with classic $K\\pi$ production data from LASS, within a formalism that implements unitarity for the di-meson interaction. This fixes the $I=1/2$ $K\\pi\\to K\\pi$ $S$-wave amplitude up to 2.4 GeV. This resolves the Barrelet ambiguity in the original LASS analysis, and constrains the amount of ine"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1701.04881","kind":"arxiv","version":2},"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":"2026-05-18T00:30:05Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"REbwNdHFLYVPW6EPkdaRc44gF6vhvVKMf87vAqLqfJ+uQoTNEqcPoBaW8MisG9F2/uuK40xF95RH85KADN8qDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T05:42:34.913373Z"},"content_sha256":"2be69dc728d534cfc71768c473b5a8c229903bd593b697d9ba7fdea4bbe4268b","schema_version":"1.0","event_id":"sha256:2be69dc728d534cfc71768c473b5a8c229903bd593b697d9ba7fdea4bbe4268b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/VBIGNYJLPF5GCTSGXOBTDMYQLC/bundle.json","state_url":"https://pith.science/pith/VBIGNYJLPF5GCTSGXOBTDMYQLC/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/VBIGNYJLPF5GCTSGXOBTDMYQLC/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":"2026-05-28T05:42:34Z","links":{"resolver":"https://pith.science/pith/VBIGNYJLPF5GCTSGXOBTDMYQLC","bundle":"https://pith.science/pith/VBIGNYJLPF5GCTSGXOBTDMYQLC/bundle.json","state":"https://pith.science/pith/VBIGNYJLPF5GCTSGXOBTDMYQLC/state.json","well_known_bundle":"https://pith.science/.well-known/pith/VBIGNYJLPF5GCTSGXOBTDMYQLC/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:VBIGNYJLPF5GCTSGXOBTDMYQLC","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":"45025f73414d9d4bdfb15737498153db3f78ad5b51ebb2b669de8c64be243e09","cross_cats_sorted":["hep-ex","nucl-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2017-01-17T21:44:18Z","title_canon_sha256":"c73dc588eb872183d1420ab11e5481950cd5604b0dccf56dfb50a2ba0edcfc5a"},"schema_version":"1.0","source":{"id":"1701.04881","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1701.04881","created_at":"2026-05-18T00:30:05Z"},{"alias_kind":"arxiv_version","alias_value":"1701.04881v2","created_at":"2026-05-18T00:30:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1701.04881","created_at":"2026-05-18T00:30:05Z"},{"alias_kind":"pith_short_12","alias_value":"VBIGNYJLPF5G","created_at":"2026-05-18T12:31:49Z"},{"alias_kind":"pith_short_16","alias_value":"VBIGNYJLPF5GCTSG","created_at":"2026-05-18T12:31:49Z"},{"alias_kind":"pith_short_8","alias_value":"VBIGNYJL","created_at":"2026-05-18T12:31:49Z"}],"graph_snapshots":[{"event_id":"sha256:2be69dc728d534cfc71768c473b5a8c229903bd593b697d9ba7fdea4bbe4268b","target":"graph","created_at":"2026-05-18T00:30:05Z","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 recent analysis of data on the two photon production of the $\\eta_c$ and its decay to $K(K\\pi)$ has determined the $K\\pi$ $S$-wave amplitude in a \"model-independent\" way assuming primarily that the additional kaon is a spectator in this decay. The purpose of this paper is to fit these results, together with classic $K\\pi$ production data from LASS, within a formalism that implements unitarity for the di-meson interaction. This fixes the $I=1/2$ $K\\pi\\to K\\pi$ $S$-wave amplitude up to 2.4 GeV. This resolves the Barrelet ambiguity in the original LASS analysis, and constrains the amount of ine","authors_text":"A. Palano, M.R. Pennington","cross_cats":["hep-ex","nucl-th"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2017-01-17T21:44:18Z","title":"$K\\pi$ $I=1/2$ $S$-wave from $\\eta_c$ decay data at BaBar and classic Meson-Meson scattering from LASS"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1701.04881","kind":"arxiv","version":2},"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":"sha256:6d16c2e5314b85516fdc6b6030766171507f6a6cc8ea24a4bd4a86674d36c797","target":"record","created_at":"2026-05-18T00:30:05Z","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":"45025f73414d9d4bdfb15737498153db3f78ad5b51ebb2b669de8c64be243e09","cross_cats_sorted":["hep-ex","nucl-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2017-01-17T21:44:18Z","title_canon_sha256":"c73dc588eb872183d1420ab11e5481950cd5604b0dccf56dfb50a2ba0edcfc5a"},"schema_version":"1.0","source":{"id":"1701.04881","kind":"arxiv","version":2}},"canonical_sha256":"a85066e12b797a614e46bb8331b31058b50fdefb8a6d400e483f31792b5644ce","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a85066e12b797a614e46bb8331b31058b50fdefb8a6d400e483f31792b5644ce","first_computed_at":"2026-05-18T00:30:05.879666Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:30:05.879666Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"BHC4x7+aoOTgNR1AGRtd/5zrWHg371oto65SwUJWlCTNqFVl5MPcpkG6VShc57NEZNmjT2hQh2fMdjDLAHGhBA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:30:05.880128Z","signed_message":"canonical_sha256_bytes"},"source_id":"1701.04881","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6d16c2e5314b85516fdc6b6030766171507f6a6cc8ea24a4bd4a86674d36c797","sha256:2be69dc728d534cfc71768c473b5a8c229903bd593b697d9ba7fdea4bbe4268b"],"state_sha256":"e7f3c09da7d3c7566cafdf90587f2891bc9ac9ec442188ec10a7019d2df23cc9"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"SgX9PpeCqsrIjST4xqgMzl168u2bzAyjiCZKohsxYZUIDDSP3EY4krZteS9o5nXP/OrfP0CyunqXgYqphDTGBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T05:42:34.915381Z","bundle_sha256":"f1ad5ede22df7261ef428d2fdd24eaf9ff6bd584eb583cca7ff80f3b8dcf11f7"}}