{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:II47NDUTUFUMNZI2XY4HLYXFJX","short_pith_number":"pith:II47NDUT","canonical_record":{"source":{"id":"1709.03262","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2017-09-11T06:58:31Z","cross_cats_sorted":[],"title_canon_sha256":"b6a72834130682b71ebedbf579204e9b023a4054b59c5511bdc0457fa87bb67a","abstract_canon_sha256":"9384930c554332213a55c1eb12c280120849c7e00d1a85575966be87495e3c87"},"schema_version":"1.0"},"canonical_sha256":"4239f68e93a168c6e51abe3875e2e54dc6e84107db542353ae6931022de6da06","source":{"kind":"arxiv","id":"1709.03262","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1709.03262","created_at":"2026-05-18T00:23:33Z"},{"alias_kind":"arxiv_version","alias_value":"1709.03262v2","created_at":"2026-05-18T00:23:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1709.03262","created_at":"2026-05-18T00:23:33Z"},{"alias_kind":"pith_short_12","alias_value":"II47NDUTUFUM","created_at":"2026-05-18T12:31:21Z"},{"alias_kind":"pith_short_16","alias_value":"II47NDUTUFUMNZI2","created_at":"2026-05-18T12:31:21Z"},{"alias_kind":"pith_short_8","alias_value":"II47NDUT","created_at":"2026-05-18T12:31:21Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:II47NDUTUFUMNZI2XY4HLYXFJX","target":"record","payload":{"canonical_record":{"source":{"id":"1709.03262","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2017-09-11T06:58:31Z","cross_cats_sorted":[],"title_canon_sha256":"b6a72834130682b71ebedbf579204e9b023a4054b59c5511bdc0457fa87bb67a","abstract_canon_sha256":"9384930c554332213a55c1eb12c280120849c7e00d1a85575966be87495e3c87"},"schema_version":"1.0"},"canonical_sha256":"4239f68e93a168c6e51abe3875e2e54dc6e84107db542353ae6931022de6da06","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:23:33.606233Z","signature_b64":"6iwU8ceiHBecsQb7c1FW5x6/AdsqaCdkvZfoyIP5YaZt86mLqfMTMlYuLWpTBu9afT0jP+65pNm8wdXFvCoFDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4239f68e93a168c6e51abe3875e2e54dc6e84107db542353ae6931022de6da06","last_reissued_at":"2026-05-18T00:23:33.605611Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:23:33.605611Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1709.03262","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":"2026-05-18T00:23:33Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+Q6LsErTi3j7t+DxE2cLe7dE+gbswXY0L5gb27PkTvOZes+EaDe5PmZI3LhwHfoAja/EvMmzkTy6joqfZWhACg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-29T17:12:58.775632Z"},"content_sha256":"0d83cacf8d5d44e7f43a89b88cd0ed5d603210de8dc42a5239452fcc6324fd54","schema_version":"1.0","event_id":"sha256:0d83cacf8d5d44e7f43a89b88cd0ed5d603210de8dc42a5239452fcc6324fd54"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:II47NDUTUFUMNZI2XY4HLYXFJX","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A Gluing Operator for the Ambitwistor String","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-th","authors_text":"David Skinner, Kai A. Roehrig","submitted_at":"2017-09-11T06:58:31Z","abstract_excerpt":"We present a new operator in the ambitwistor string which glues together correlators with fewer points or of lower genus. It underpins the recursive construction of tree-level CHY scattering amplitudes by Dolan \\& Goddard, as well as the computation of loop integrands on a Riemann sphere by Geyer et al. The gluing operator is a tractable object due to the finiteness of the spectrum. In particular, we demonstrate how it gives rise to the complete one-loop integrand in SYM and SUGRA. The operator is conjectured to be the path integral incarnation of the ambitwistor string propagator, and to coin"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1709.03262","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":"2026-05-18T00:23:33Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BYnafcVOFEDQvUTAfW8yb9zDw4Bx3DcKXw+SkgDLw/Bf+h2mWnguJ2Zu+OZqajydj8arL4An4E0wpL+SrLi/BA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-29T17:12:58.776342Z"},"content_sha256":"35ae443205d59f985c3bc03d4d2013bafe6d8889ad8fb75d593f4e43ac5a1c2e","schema_version":"1.0","event_id":"sha256:35ae443205d59f985c3bc03d4d2013bafe6d8889ad8fb75d593f4e43ac5a1c2e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/II47NDUTUFUMNZI2XY4HLYXFJX/bundle.json","state_url":"https://pith.science/pith/II47NDUTUFUMNZI2XY4HLYXFJX/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/II47NDUTUFUMNZI2XY4HLYXFJX/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":"2026-05-29T17:12:58Z","links":{"resolver":"https://pith.science/pith/II47NDUTUFUMNZI2XY4HLYXFJX","bundle":"https://pith.science/pith/II47NDUTUFUMNZI2XY4HLYXFJX/bundle.json","state":"https://pith.science/pith/II47NDUTUFUMNZI2XY4HLYXFJX/state.json","well_known_bundle":"https://pith.science/.well-known/pith/II47NDUTUFUMNZI2XY4HLYXFJX/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:II47NDUTUFUMNZI2XY4HLYXFJX","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":"9384930c554332213a55c1eb12c280120849c7e00d1a85575966be87495e3c87","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2017-09-11T06:58:31Z","title_canon_sha256":"b6a72834130682b71ebedbf579204e9b023a4054b59c5511bdc0457fa87bb67a"},"schema_version":"1.0","source":{"id":"1709.03262","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1709.03262","created_at":"2026-05-18T00:23:33Z"},{"alias_kind":"arxiv_version","alias_value":"1709.03262v2","created_at":"2026-05-18T00:23:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1709.03262","created_at":"2026-05-18T00:23:33Z"},{"alias_kind":"pith_short_12","alias_value":"II47NDUTUFUM","created_at":"2026-05-18T12:31:21Z"},{"alias_kind":"pith_short_16","alias_value":"II47NDUTUFUMNZI2","created_at":"2026-05-18T12:31:21Z"},{"alias_kind":"pith_short_8","alias_value":"II47NDUT","created_at":"2026-05-18T12:31:21Z"}],"graph_snapshots":[{"event_id":"sha256:35ae443205d59f985c3bc03d4d2013bafe6d8889ad8fb75d593f4e43ac5a1c2e","target":"graph","created_at":"2026-05-18T00:23:33Z","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 present a new operator in the ambitwistor string which glues together correlators with fewer points or of lower genus. It underpins the recursive construction of tree-level CHY scattering amplitudes by Dolan \\& Goddard, as well as the computation of loop integrands on a Riemann sphere by Geyer et al. The gluing operator is a tractable object due to the finiteness of the spectrum. In particular, we demonstrate how it gives rise to the complete one-loop integrand in SYM and SUGRA. The operator is conjectured to be the path integral incarnation of the ambitwistor string propagator, and to coin","authors_text":"David Skinner, Kai A. Roehrig","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2017-09-11T06:58:31Z","title":"A Gluing Operator for the Ambitwistor String"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1709.03262","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":"sha256:0d83cacf8d5d44e7f43a89b88cd0ed5d603210de8dc42a5239452fcc6324fd54","target":"record","created_at":"2026-05-18T00:23:33Z","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":"9384930c554332213a55c1eb12c280120849c7e00d1a85575966be87495e3c87","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2017-09-11T06:58:31Z","title_canon_sha256":"b6a72834130682b71ebedbf579204e9b023a4054b59c5511bdc0457fa87bb67a"},"schema_version":"1.0","source":{"id":"1709.03262","kind":"arxiv","version":2}},"canonical_sha256":"4239f68e93a168c6e51abe3875e2e54dc6e84107db542353ae6931022de6da06","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4239f68e93a168c6e51abe3875e2e54dc6e84107db542353ae6931022de6da06","first_computed_at":"2026-05-18T00:23:33.605611Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:23:33.605611Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"6iwU8ceiHBecsQb7c1FW5x6/AdsqaCdkvZfoyIP5YaZt86mLqfMTMlYuLWpTBu9afT0jP+65pNm8wdXFvCoFDA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:23:33.606233Z","signed_message":"canonical_sha256_bytes"},"source_id":"1709.03262","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0d83cacf8d5d44e7f43a89b88cd0ed5d603210de8dc42a5239452fcc6324fd54","sha256:35ae443205d59f985c3bc03d4d2013bafe6d8889ad8fb75d593f4e43ac5a1c2e"],"state_sha256":"0826feed95cc1d7127dc08c983bf2963c4d7deffe1a655949f4354f32ccd425b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Nj2p1dWx64V0rFjVmkXoltKyE6a4F913JxGmqgDt/0/nWmtnQZZZ2/w5GgYRgC4vEX7cZlxA21Wojtxblq9NCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-29T17:12:58.779197Z","bundle_sha256":"a261b5cf85fc40ece2285327cd5665b9a3dcabb5e1e75dbb71415cdf0ff29ec3"}}