{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:Q4YNLNFL7ODGGEWUWZCZFQ7KPG","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":"baea8dfdd10d9584aa3581d79f4e21fe4418dbf10e9ef37f7b77925f2f8927ab","cross_cats_sorted":["gr-qc","hep-ph"],"license":"http://creativecommons.org/licenses/by-sa/4.0/","primary_cat":"hep-th","submitted_at":"2022-03-15T17:15:38Z","title_canon_sha256":"e9b3ef4e2332771c62666970bf81ed50aed0d5e088c0b358ad2552e9bd04556e"},"schema_version":"1.0","source":{"id":"2203.08087","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2203.08087","created_at":"2026-07-05T04:32:57Z"},{"alias_kind":"arxiv_version","alias_value":"2203.08087v2","created_at":"2026-07-05T04:32:57Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2203.08087","created_at":"2026-07-05T04:32:57Z"},{"alias_kind":"pith_short_12","alias_value":"Q4YNLNFL7ODG","created_at":"2026-07-05T04:32:57Z"},{"alias_kind":"pith_short_16","alias_value":"Q4YNLNFL7ODGGEWU","created_at":"2026-07-05T04:32:57Z"},{"alias_kind":"pith_short_8","alias_value":"Q4YNLNFL","created_at":"2026-07-05T04:32:57Z"}],"graph_snapshots":[{"event_id":"sha256:64728d531fac7f159c89d96e220ee331ef0311ead67e91a6e189fc28baf05b37","target":"graph","created_at":"2026-07-05T04:32:57Z","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/2203.08087/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"In his twistor-particle programme of the 1970's, Roger Penrose introduced a representation of the massive particle phase space in terms of a pair of twistors subject to an internal symmetry group. Here we use this representation to introduce a chiral string whose target is a complexification of this space, extended so as to incorporate supersymmetry. We show that the gauge anomalies associated to the internal symmetry group vanish only for maximal supersymmetry, and that correlators in these string models describe amplitudes involving massive particles with manifest supersymmetry. The models a","authors_text":"Giulia Albonico, Lionel Mason, Yvonne Geyer","cross_cats":["gr-qc","hep-ph"],"headline":"","license":"http://creativecommons.org/licenses/by-sa/4.0/","primary_cat":"hep-th","submitted_at":"2022-03-15T17:15:38Z","title":"From Twistor-Particle Models to Massive Amplitudes"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2203.08087","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:aa05184eee3c792962d882c12a376cfb729396cc84550154eb11fd0dd62008a6","target":"record","created_at":"2026-07-05T04:32:57Z","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":"baea8dfdd10d9584aa3581d79f4e21fe4418dbf10e9ef37f7b77925f2f8927ab","cross_cats_sorted":["gr-qc","hep-ph"],"license":"http://creativecommons.org/licenses/by-sa/4.0/","primary_cat":"hep-th","submitted_at":"2022-03-15T17:15:38Z","title_canon_sha256":"e9b3ef4e2332771c62666970bf81ed50aed0d5e088c0b358ad2552e9bd04556e"},"schema_version":"1.0","source":{"id":"2203.08087","kind":"arxiv","version":2}},"canonical_sha256":"8730d5b4abfb866312d4b64592c3ea79bc250414e81a09be037057e132d6f98b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8730d5b4abfb866312d4b64592c3ea79bc250414e81a09be037057e132d6f98b","first_computed_at":"2026-07-05T04:32:57.635349Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T04:32:57.635349Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"SVqyXXEiXJnlPxVrj/XoOda7Ppk+JQuKSMlUVyoAPesUJ+A5hH+R2/mE5s+e8c3OwHxQ5eKw8WK7MRS4TWTDBg==","signature_status":"signed_v1","signed_at":"2026-07-05T04:32:57.635859Z","signed_message":"canonical_sha256_bytes"},"source_id":"2203.08087","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:aa05184eee3c792962d882c12a376cfb729396cc84550154eb11fd0dd62008a6","sha256:64728d531fac7f159c89d96e220ee331ef0311ead67e91a6e189fc28baf05b37"],"state_sha256":"5b60c5ba0b6c24a04d2666dfcb0e484ab1d4e2f24c758c445aa5690248b2a218"}