{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2004:L37SWHFSFBSVFFZVI4JZ53KSPE","short_pith_number":"pith:L37SWHFS","canonical_record":{"source":{"id":"hep-th/0406055","kind":"arxiv","version":3},"metadata":{"license":"","primary_cat":"hep-th","submitted_at":"2004-06-05T20:02:10Z","cross_cats_sorted":[],"title_canon_sha256":"49a093c228dec4c9df66db9f36635bda5b3502d1eee1762699a3a5ca4d5285c7","abstract_canon_sha256":"a20969eb18a12125d3a711b0793519f6481fe1502339a472f84e8669e88314cb"},"schema_version":"1.0"},"canonical_sha256":"5eff2b1cb2286552973547139eed5279123a26431a2f521378e4aaa32cbcd394","source":{"kind":"arxiv","id":"hep-th/0406055","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-th/0406055","created_at":"2026-07-04T17:25:26Z"},{"alias_kind":"arxiv_version","alias_value":"hep-th/0406055v3","created_at":"2026-07-04T17:25:26Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-th/0406055","created_at":"2026-07-04T17:25:26Z"},{"alias_kind":"pith_short_12","alias_value":"L37SWHFSFBSV","created_at":"2026-07-04T17:25:26Z"},{"alias_kind":"pith_short_16","alias_value":"L37SWHFSFBSVFFZV","created_at":"2026-07-04T17:25:26Z"},{"alias_kind":"pith_short_8","alias_value":"L37SWHFS","created_at":"2026-07-04T17:25:26Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2004:L37SWHFSFBSVFFZVI4JZ53KSPE","target":"record","payload":{"canonical_record":{"source":{"id":"hep-th/0406055","kind":"arxiv","version":3},"metadata":{"license":"","primary_cat":"hep-th","submitted_at":"2004-06-05T20:02:10Z","cross_cats_sorted":[],"title_canon_sha256":"49a093c228dec4c9df66db9f36635bda5b3502d1eee1762699a3a5ca4d5285c7","abstract_canon_sha256":"a20969eb18a12125d3a711b0793519f6481fe1502339a472f84e8669e88314cb"},"schema_version":"1.0"},"canonical_sha256":"5eff2b1cb2286552973547139eed5279123a26431a2f521378e4aaa32cbcd394","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T17:25:26.001647Z","signature_b64":"pi0Cgt4vC0YUimL7NTN558CDIe9V29S95U92dw/D/PDv5SABePf/WMoAb9aI3sPRC2OXRCCpQLVHLJNkRfINCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5eff2b1cb2286552973547139eed5279123a26431a2f521378e4aaa32cbcd394","last_reissued_at":"2026-07-04T17:25:26.001212Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T17:25:26.001212Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"hep-th/0406055","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":"2026-07-04T17:25:26Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"sky5AC/lcgn3YybQP5myVWoV7E/BbUEthOKJxVwQDgKGNv95inczXqDMaA+RliRVwymuHHsribM22bYd8L0QBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-13T01:38:28.712104Z"},"content_sha256":"eef9a51b8f63dfd0f1cadb4513f8bbfdc39197848864f454c46d6594c24b8566","schema_version":"1.0","event_id":"sha256:eef9a51b8f63dfd0f1cadb4513f8bbfdc39197848864f454c46d6594c24b8566"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2004:L37SWHFSFBSVFFZVI4JZ53KSPE","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Multiloop Amplitudes and Vanishing Theorems using the Pure Spinor Formalism for the Superstring","license":"","headline":"","cross_cats":[],"primary_cat":"hep-th","authors_text":"Nathan Berkovits (IFT/UNESP, Sao Paulo)","submitted_at":"2004-06-05T20:02:10Z","abstract_excerpt":"A ten-dimensional super-Poincare covariant formalism for the superstring was recently developed which involves a BRST operator constructed from superspace matter variables and a pure spinor ghost variable. A super-Poincare covariant prescription was defined for computing tree amplitudes and was shown to coincide with the standard RNS prescription.\n  In this paper, picture-changing operators are used to define functional integration over the pure spinor ghosts and to construct a suitable $b$ ghost. A super-Poincare covariant prescription is then given for the computation of N-point multiloop am"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-th/0406055","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/hep-th/0406055/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":"2026-07-04T17:25:26Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lZQX31OclB/HHDfzi1bEzcLh87+xxtvSPDLQvif+A1XsE6IHi0ZE8UleVxsv3mtjH8lHEetr+AcLkH2VBEmJCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-13T01:38:28.712622Z"},"content_sha256":"a0cb8a404310f776c373eaddd4f7bee21b24f3b551c952b36bafbfcf2f3f3055","schema_version":"1.0","event_id":"sha256:a0cb8a404310f776c373eaddd4f7bee21b24f3b551c952b36bafbfcf2f3f3055"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/L37SWHFSFBSVFFZVI4JZ53KSPE/bundle.json","state_url":"https://pith.science/pith/L37SWHFSFBSVFFZVI4JZ53KSPE/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/L37SWHFSFBSVFFZVI4JZ53KSPE/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":"2026-08-13T01:38:28Z","links":{"resolver":"https://pith.science/pith/L37SWHFSFBSVFFZVI4JZ53KSPE","bundle":"https://pith.science/pith/L37SWHFSFBSVFFZVI4JZ53KSPE/bundle.json","state":"https://pith.science/pith/L37SWHFSFBSVFFZVI4JZ53KSPE/state.json","well_known_bundle":"https://pith.science/.well-known/pith/L37SWHFSFBSVFFZVI4JZ53KSPE/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2004:L37SWHFSFBSVFFZVI4JZ53KSPE","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":"a20969eb18a12125d3a711b0793519f6481fe1502339a472f84e8669e88314cb","cross_cats_sorted":[],"license":"","primary_cat":"hep-th","submitted_at":"2004-06-05T20:02:10Z","title_canon_sha256":"49a093c228dec4c9df66db9f36635bda5b3502d1eee1762699a3a5ca4d5285c7"},"schema_version":"1.0","source":{"id":"hep-th/0406055","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-th/0406055","created_at":"2026-07-04T17:25:26Z"},{"alias_kind":"arxiv_version","alias_value":"hep-th/0406055v3","created_at":"2026-07-04T17:25:26Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-th/0406055","created_at":"2026-07-04T17:25:26Z"},{"alias_kind":"pith_short_12","alias_value":"L37SWHFSFBSV","created_at":"2026-07-04T17:25:26Z"},{"alias_kind":"pith_short_16","alias_value":"L37SWHFSFBSVFFZV","created_at":"2026-07-04T17:25:26Z"},{"alias_kind":"pith_short_8","alias_value":"L37SWHFS","created_at":"2026-07-04T17:25:26Z"}],"graph_snapshots":[{"event_id":"sha256:a0cb8a404310f776c373eaddd4f7bee21b24f3b551c952b36bafbfcf2f3f3055","target":"graph","created_at":"2026-07-04T17:25:26Z","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/hep-th/0406055/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"A ten-dimensional super-Poincare covariant formalism for the superstring was recently developed which involves a BRST operator constructed from superspace matter variables and a pure spinor ghost variable. A super-Poincare covariant prescription was defined for computing tree amplitudes and was shown to coincide with the standard RNS prescription.\n  In this paper, picture-changing operators are used to define functional integration over the pure spinor ghosts and to construct a suitable $b$ ghost. A super-Poincare covariant prescription is then given for the computation of N-point multiloop am","authors_text":"Nathan Berkovits (IFT/UNESP, Sao Paulo)","cross_cats":[],"headline":"","license":"","primary_cat":"hep-th","submitted_at":"2004-06-05T20:02:10Z","title":"Multiloop Amplitudes and Vanishing Theorems using the Pure Spinor Formalism for the Superstring"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-th/0406055","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:eef9a51b8f63dfd0f1cadb4513f8bbfdc39197848864f454c46d6594c24b8566","target":"record","created_at":"2026-07-04T17:25:26Z","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":"a20969eb18a12125d3a711b0793519f6481fe1502339a472f84e8669e88314cb","cross_cats_sorted":[],"license":"","primary_cat":"hep-th","submitted_at":"2004-06-05T20:02:10Z","title_canon_sha256":"49a093c228dec4c9df66db9f36635bda5b3502d1eee1762699a3a5ca4d5285c7"},"schema_version":"1.0","source":{"id":"hep-th/0406055","kind":"arxiv","version":3}},"canonical_sha256":"5eff2b1cb2286552973547139eed5279123a26431a2f521378e4aaa32cbcd394","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5eff2b1cb2286552973547139eed5279123a26431a2f521378e4aaa32cbcd394","first_computed_at":"2026-07-04T17:25:26.001212Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T17:25:26.001212Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"pi0Cgt4vC0YUimL7NTN558CDIe9V29S95U92dw/D/PDv5SABePf/WMoAb9aI3sPRC2OXRCCpQLVHLJNkRfINCw==","signature_status":"signed_v1","signed_at":"2026-07-04T17:25:26.001647Z","signed_message":"canonical_sha256_bytes"},"source_id":"hep-th/0406055","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:eef9a51b8f63dfd0f1cadb4513f8bbfdc39197848864f454c46d6594c24b8566","sha256:a0cb8a404310f776c373eaddd4f7bee21b24f3b551c952b36bafbfcf2f3f3055"],"state_sha256":"9b4c63624a67b5125384206bddf35e88812d194f01f14e1f0ec558010856d833"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"86zKjDvmvVQ/i9XNvfkibN8iUz3uWAjS3Y37WiT4nUslWsdwaUMv6tjz5vrtRYcZb/ZFWUzywuT9OdlOGqzhDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-13T01:38:28.718360Z","bundle_sha256":"33a6c4928dcdd2f8bd8467a0808c7579cefa46d0fb540cc105187191967a0e39"}}