{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:JF2YEOG2IT227WAJPIMWLJB4GT","short_pith_number":"pith:JF2YEOG2","canonical_record":{"source":{"id":"2302.04895","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2023-02-09T19:00:33Z","cross_cats_sorted":["gr-qc"],"title_canon_sha256":"bfc2a78dfbd17546afb0bce86156840d4f1ebc91f6f400db7c1ff2cc258ca832","abstract_canon_sha256":"c340506bbc6f0da58d4019d4062e5c2c4a1dc16cbe195336e9221e0807a380e2"},"schema_version":"1.0"},"canonical_sha256":"49758238da44f5afd8097a1965a43c34f4e0840f8b2e91266daa017bf3726125","source":{"kind":"arxiv","id":"2302.04895","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2302.04895","created_at":"2026-07-05T05:40:22Z"},{"alias_kind":"arxiv_version","alias_value":"2302.04895v1","created_at":"2026-07-05T05:40:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2302.04895","created_at":"2026-07-05T05:40:22Z"},{"alias_kind":"pith_short_12","alias_value":"JF2YEOG2IT22","created_at":"2026-07-05T05:40:22Z"},{"alias_kind":"pith_short_16","alias_value":"JF2YEOG2IT227WAJ","created_at":"2026-07-05T05:40:22Z"},{"alias_kind":"pith_short_8","alias_value":"JF2YEOG2","created_at":"2026-07-05T05:40:22Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:JF2YEOG2IT227WAJPIMWLJB4GT","target":"record","payload":{"canonical_record":{"source":{"id":"2302.04895","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2023-02-09T19:00:33Z","cross_cats_sorted":["gr-qc"],"title_canon_sha256":"bfc2a78dfbd17546afb0bce86156840d4f1ebc91f6f400db7c1ff2cc258ca832","abstract_canon_sha256":"c340506bbc6f0da58d4019d4062e5c2c4a1dc16cbe195336e9221e0807a380e2"},"schema_version":"1.0"},"canonical_sha256":"49758238da44f5afd8097a1965a43c34f4e0840f8b2e91266daa017bf3726125","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T05:40:22.654300Z","signature_b64":"j2WYdFMb7yzni8mi8oW5Y80Z/Rhima8/oz3dwJm6OpppsZf8lWRp07KW+LGTFZxXOVpA3vh4DFTG+LI2kwtkCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"49758238da44f5afd8097a1965a43c34f4e0840f8b2e91266daa017bf3726125","last_reissued_at":"2026-07-05T05:40:22.653870Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T05:40:22.653870Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2302.04895","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":"2026-07-05T05:40:22Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"o4P3Oew/RgHTHWrXxhYs9SOHJCF9c/MpVFxKjg3vgZWf3/fLcg1rB/6bIYy29cFSHzqtQmWTSSaUZUCGLrZADw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-22T13:19:21.161818Z"},"content_sha256":"5b5c48c899c64314b81e47f30737978cef24a23abc8b11a0aedf09d4aa354df5","schema_version":"1.0","event_id":"sha256:5b5c48c899c64314b81e47f30737978cef24a23abc8b11a0aedf09d4aa354df5"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:JF2YEOG2IT227WAJPIMWLJB4GT","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Bootstrapping the String KLT Kernel","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["gr-qc"],"primary_cat":"hep-th","authors_text":"Aidan Herderschee, Alan Shih-Kuan Chen, Henriette Elvang","submitted_at":"2023-02-09T19:00:33Z","abstract_excerpt":"We show that a generalized version of the 4-point string theory KLT double-copy map is the most general solution to the minimal-rank double-copy bootstrap in effective field theory. This follows from significant restrictions of the 4-point map resulting from the 6-point bootstrap analysis. The generalized 4-point double-copy map is defined by a function with only two parameters times a simple function that is symmetric in $s,t,u$. The two parameters can be interpreted as independent choices of $\\alpha'$, one for each of the two sets of amplitudes double-copied with the map. Specifically, each "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2302.04895","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/2302.04895/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":"2026-07-05T05:40:22Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"DjCl/4C3D+wlL8JrWAWiRI4EThRWf8yUHAPQzm7HukY9uOH3RdNyQhAJquqIDpDB1ZL0gvOIOCUo58Q/DcgxAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-22T13:19:21.162391Z"},"content_sha256":"e590f77bc847134ee50e2e7a89baa43fa7b855ac0d31c6f991f5d474842ee0b9","schema_version":"1.0","event_id":"sha256:e590f77bc847134ee50e2e7a89baa43fa7b855ac0d31c6f991f5d474842ee0b9"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/JF2YEOG2IT227WAJPIMWLJB4GT/bundle.json","state_url":"https://pith.science/pith/JF2YEOG2IT227WAJPIMWLJB4GT/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/JF2YEOG2IT227WAJPIMWLJB4GT/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":"2026-08-22T13:19:21Z","links":{"resolver":"https://pith.science/pith/JF2YEOG2IT227WAJPIMWLJB4GT","bundle":"https://pith.science/pith/JF2YEOG2IT227WAJPIMWLJB4GT/bundle.json","state":"https://pith.science/pith/JF2YEOG2IT227WAJPIMWLJB4GT/state.json","well_known_bundle":"https://pith.science/.well-known/pith/JF2YEOG2IT227WAJPIMWLJB4GT/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:JF2YEOG2IT227WAJPIMWLJB4GT","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":"c340506bbc6f0da58d4019d4062e5c2c4a1dc16cbe195336e9221e0807a380e2","cross_cats_sorted":["gr-qc"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2023-02-09T19:00:33Z","title_canon_sha256":"bfc2a78dfbd17546afb0bce86156840d4f1ebc91f6f400db7c1ff2cc258ca832"},"schema_version":"1.0","source":{"id":"2302.04895","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2302.04895","created_at":"2026-07-05T05:40:22Z"},{"alias_kind":"arxiv_version","alias_value":"2302.04895v1","created_at":"2026-07-05T05:40:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2302.04895","created_at":"2026-07-05T05:40:22Z"},{"alias_kind":"pith_short_12","alias_value":"JF2YEOG2IT22","created_at":"2026-07-05T05:40:22Z"},{"alias_kind":"pith_short_16","alias_value":"JF2YEOG2IT227WAJ","created_at":"2026-07-05T05:40:22Z"},{"alias_kind":"pith_short_8","alias_value":"JF2YEOG2","created_at":"2026-07-05T05:40:22Z"}],"graph_snapshots":[{"event_id":"sha256:e590f77bc847134ee50e2e7a89baa43fa7b855ac0d31c6f991f5d474842ee0b9","target":"graph","created_at":"2026-07-05T05:40:22Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2302.04895/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We show that a generalized version of the 4-point string theory KLT double-copy map is the most general solution to the minimal-rank double-copy bootstrap in effective field theory. This follows from significant restrictions of the 4-point map resulting from the 6-point bootstrap analysis. The generalized 4-point double-copy map is defined by a function with only two parameters times a simple function that is symmetric in $s,t,u$. The two parameters can be interpreted as independent choices of $\\alpha'$, one for each of the two sets of amplitudes double-copied with the map. Specifically, each ","authors_text":"Aidan Herderschee, Alan Shih-Kuan Chen, Henriette Elvang","cross_cats":["gr-qc"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2023-02-09T19:00:33Z","title":"Bootstrapping the String KLT Kernel"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2302.04895","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":"sha256:5b5c48c899c64314b81e47f30737978cef24a23abc8b11a0aedf09d4aa354df5","target":"record","created_at":"2026-07-05T05:40:22Z","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":"c340506bbc6f0da58d4019d4062e5c2c4a1dc16cbe195336e9221e0807a380e2","cross_cats_sorted":["gr-qc"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2023-02-09T19:00:33Z","title_canon_sha256":"bfc2a78dfbd17546afb0bce86156840d4f1ebc91f6f400db7c1ff2cc258ca832"},"schema_version":"1.0","source":{"id":"2302.04895","kind":"arxiv","version":1}},"canonical_sha256":"49758238da44f5afd8097a1965a43c34f4e0840f8b2e91266daa017bf3726125","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"49758238da44f5afd8097a1965a43c34f4e0840f8b2e91266daa017bf3726125","first_computed_at":"2026-07-05T05:40:22.653870Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T05:40:22.653870Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"j2WYdFMb7yzni8mi8oW5Y80Z/Rhima8/oz3dwJm6OpppsZf8lWRp07KW+LGTFZxXOVpA3vh4DFTG+LI2kwtkCw==","signature_status":"signed_v1","signed_at":"2026-07-05T05:40:22.654300Z","signed_message":"canonical_sha256_bytes"},"source_id":"2302.04895","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5b5c48c899c64314b81e47f30737978cef24a23abc8b11a0aedf09d4aa354df5","sha256:e590f77bc847134ee50e2e7a89baa43fa7b855ac0d31c6f991f5d474842ee0b9"],"state_sha256":"87bb8f2cf9dda1bc5e18a48a55503f1ffd01a2b9965a0dffad6d8b0d4e5a2ca1"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"LJsR1QczCFGvAdQobIlWawYLdpS+QNoH4bbYOP3r0rx0S3JTi2T1FL0SPV/AeWI4cQZOH6hUP6AmADfDqUmwBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-22T13:19:21.166942Z","bundle_sha256":"bdfe8cd5880c02b8d2b8651262a63accf24412af8225059f5b0f43ca0d9533b4"}}