{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:EE4CSAEWVBJ2OIFTXIS7YRGBTF","short_pith_number":"pith:EE4CSAEW","canonical_record":{"source":{"id":"2204.13659","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2022-04-28T17:20:37Z","cross_cats_sorted":[],"title_canon_sha256":"3ba6bc1b84ba969954516407536218543edc6bd704f74bce8a344c167dc5e67d","abstract_canon_sha256":"21c1bd26f31d4c0088263b0383e95d57fa9ec9ee7745bfb4d20e1522606f3a8c"},"schema_version":"1.0"},"canonical_sha256":"2138290096a853a720b3ba25fc44c19960487f18c6ea20718505ed9439bd0adf","source":{"kind":"arxiv","id":"2204.13659","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2204.13659","created_at":"2026-07-05T04:54:57Z"},{"alias_kind":"arxiv_version","alias_value":"2204.13659v3","created_at":"2026-07-05T04:54:57Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2204.13659","created_at":"2026-07-05T04:54:57Z"},{"alias_kind":"pith_short_12","alias_value":"EE4CSAEWVBJ2","created_at":"2026-07-05T04:54:57Z"},{"alias_kind":"pith_short_16","alias_value":"EE4CSAEWVBJ2OIFT","created_at":"2026-07-05T04:54:57Z"},{"alias_kind":"pith_short_8","alias_value":"EE4CSAEW","created_at":"2026-07-05T04:54:57Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:EE4CSAEWVBJ2OIFTXIS7YRGBTF","target":"record","payload":{"canonical_record":{"source":{"id":"2204.13659","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2022-04-28T17:20:37Z","cross_cats_sorted":[],"title_canon_sha256":"3ba6bc1b84ba969954516407536218543edc6bd704f74bce8a344c167dc5e67d","abstract_canon_sha256":"21c1bd26f31d4c0088263b0383e95d57fa9ec9ee7745bfb4d20e1522606f3a8c"},"schema_version":"1.0"},"canonical_sha256":"2138290096a853a720b3ba25fc44c19960487f18c6ea20718505ed9439bd0adf","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T04:54:57.019878Z","signature_b64":"4XRq/vBeUp8YoPZAAEhv8lcLwKenvoBUQRHkIUzVzLcA4/g8puQzEmAN1Nk2rHtacPL5NB6Ue1jlTWf7ucs7Bg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2138290096a853a720b3ba25fc44c19960487f18c6ea20718505ed9439bd0adf","last_reissued_at":"2026-07-05T04:54:57.019541Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T04:54:57.019541Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2204.13659","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T04:54:57Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2BeCYG4VABQnbMDSOqwYj7lI5WBFvs++6ICvbFqGTlEfQOFejYx7zlHnVsHD2VozguHUVTXVejT/IZQ84h+2Bg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-12T07:55:45.296096Z"},"content_sha256":"2375e2f2295e9d6934cd46d3edd18460cf73b66cbf913bba450a724f675d2df9","schema_version":"1.0","event_id":"sha256:2375e2f2295e9d6934cd46d3edd18460cf73b66cbf913bba450a724f675d2df9"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:EE4CSAEWVBJ2OIFTXIS7YRGBTF","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"One-loop diagrams with quadratic propagators from the worldsheet","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-th","authors_text":"Bo Feng, Song He, Yao-Qi Zhang, Yong Zhang","submitted_at":"2022-04-28T17:20:37Z","abstract_excerpt":"It is well known that forward limits of tree-level amplitudes (and those trivalent diagrams they consist of) produce one-loop amplitudes and trivalent diagrams with propagators linear in the loop momentum. They naturally arise from one-loop worldsheet formulae, and an important open problem is how to recombine them into usual one-loop diagrams with quadratic propagators. In this paper, we study a new collection of worldsheet functions: generalized one-loop Parke-Taylor factors with tensor numerators, which are conjectured to serve as a basis for one-loop worldsheet functions with this nice pro"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2204.13659","kind":"arxiv","version":3},"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/2204.13659/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":"2026-07-05T04:54:57Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BSHR4FAViazm8fmQPVYS38MXpxsBGPUSCxQeBthxFvtOeS68XZQUU/5apeLo4MIhSuBCe/hOpQfIXSvNAkFDCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-12T07:55:45.296625Z"},"content_sha256":"fe45c225b91d4070a07e5866afa3982f9d3fb4e8331291224307af796ba28bec","schema_version":"1.0","event_id":"sha256:fe45c225b91d4070a07e5866afa3982f9d3fb4e8331291224307af796ba28bec"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/EE4CSAEWVBJ2OIFTXIS7YRGBTF/bundle.json","state_url":"https://pith.science/pith/EE4CSAEWVBJ2OIFTXIS7YRGBTF/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/EE4CSAEWVBJ2OIFTXIS7YRGBTF/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":"2026-08-12T07:55:45Z","links":{"resolver":"https://pith.science/pith/EE4CSAEWVBJ2OIFTXIS7YRGBTF","bundle":"https://pith.science/pith/EE4CSAEWVBJ2OIFTXIS7YRGBTF/bundle.json","state":"https://pith.science/pith/EE4CSAEWVBJ2OIFTXIS7YRGBTF/state.json","well_known_bundle":"https://pith.science/.well-known/pith/EE4CSAEWVBJ2OIFTXIS7YRGBTF/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:EE4CSAEWVBJ2OIFTXIS7YRGBTF","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":"21c1bd26f31d4c0088263b0383e95d57fa9ec9ee7745bfb4d20e1522606f3a8c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2022-04-28T17:20:37Z","title_canon_sha256":"3ba6bc1b84ba969954516407536218543edc6bd704f74bce8a344c167dc5e67d"},"schema_version":"1.0","source":{"id":"2204.13659","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2204.13659","created_at":"2026-07-05T04:54:57Z"},{"alias_kind":"arxiv_version","alias_value":"2204.13659v3","created_at":"2026-07-05T04:54:57Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2204.13659","created_at":"2026-07-05T04:54:57Z"},{"alias_kind":"pith_short_12","alias_value":"EE4CSAEWVBJ2","created_at":"2026-07-05T04:54:57Z"},{"alias_kind":"pith_short_16","alias_value":"EE4CSAEWVBJ2OIFT","created_at":"2026-07-05T04:54:57Z"},{"alias_kind":"pith_short_8","alias_value":"EE4CSAEW","created_at":"2026-07-05T04:54:57Z"}],"graph_snapshots":[{"event_id":"sha256:fe45c225b91d4070a07e5866afa3982f9d3fb4e8331291224307af796ba28bec","target":"graph","created_at":"2026-07-05T04:54:57Z","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/2204.13659/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"It is well known that forward limits of tree-level amplitudes (and those trivalent diagrams they consist of) produce one-loop amplitudes and trivalent diagrams with propagators linear in the loop momentum. They naturally arise from one-loop worldsheet formulae, and an important open problem is how to recombine them into usual one-loop diagrams with quadratic propagators. In this paper, we study a new collection of worldsheet functions: generalized one-loop Parke-Taylor factors with tensor numerators, which are conjectured to serve as a basis for one-loop worldsheet functions with this nice pro","authors_text":"Bo Feng, Song He, Yao-Qi Zhang, Yong Zhang","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2022-04-28T17:20:37Z","title":"One-loop diagrams with quadratic propagators from the worldsheet"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2204.13659","kind":"arxiv","version":3},"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":"sha256:2375e2f2295e9d6934cd46d3edd18460cf73b66cbf913bba450a724f675d2df9","target":"record","created_at":"2026-07-05T04:54:57Z","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":"21c1bd26f31d4c0088263b0383e95d57fa9ec9ee7745bfb4d20e1522606f3a8c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2022-04-28T17:20:37Z","title_canon_sha256":"3ba6bc1b84ba969954516407536218543edc6bd704f74bce8a344c167dc5e67d"},"schema_version":"1.0","source":{"id":"2204.13659","kind":"arxiv","version":3}},"canonical_sha256":"2138290096a853a720b3ba25fc44c19960487f18c6ea20718505ed9439bd0adf","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2138290096a853a720b3ba25fc44c19960487f18c6ea20718505ed9439bd0adf","first_computed_at":"2026-07-05T04:54:57.019541Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T04:54:57.019541Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"4XRq/vBeUp8YoPZAAEhv8lcLwKenvoBUQRHkIUzVzLcA4/g8puQzEmAN1Nk2rHtacPL5NB6Ue1jlTWf7ucs7Bg==","signature_status":"signed_v1","signed_at":"2026-07-05T04:54:57.019878Z","signed_message":"canonical_sha256_bytes"},"source_id":"2204.13659","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2375e2f2295e9d6934cd46d3edd18460cf73b66cbf913bba450a724f675d2df9","sha256:fe45c225b91d4070a07e5866afa3982f9d3fb4e8331291224307af796ba28bec"],"state_sha256":"afbcd7656965d395b9db81256ba435a0086c605f6a8d55922b641b9a679a0932"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"pvPZyR7u4D/M42RY78RTQiQJPuVG4dwtKYTk65aOS+61gBvV3wQEVifutRgBasHch1efXJMLu02/2lYnBVJ5DQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-12T07:55:45.301721Z","bundle_sha256":"c9a4e545e66a7ed98b7463c6a9ac64fc157fb9067e991b46f1f45986f39a96d2"}}