{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:Z3QV7FZLXM6FI7D7DM5I2VVO5V","short_pith_number":"pith:Z3QV7FZL","canonical_record":{"source":{"id":"1902.07205","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2019-02-19T18:59:59Z","cross_cats_sorted":["hep-ph"],"title_canon_sha256":"6390e950e3838d590ceb5fcdfb3f7ced253c2efec7975a33ef86fa0b2e989a56","abstract_canon_sha256":"5628f9d60ae12b10fc359050e8174b5d0d37c3fdae1d816edf7f2570dc869765"},"schema_version":"1.0"},"canonical_sha256":"cee15f972bbb3c547c7f1b3a8d56aeed76b45eb0765597311bc5395ceed4b6bb","source":{"kind":"arxiv","id":"1902.07205","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1902.07205","created_at":"2026-07-05T00:08:55Z"},{"alias_kind":"arxiv_version","alias_value":"1902.07205v2","created_at":"2026-07-05T00:08:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1902.07205","created_at":"2026-07-05T00:08:55Z"},{"alias_kind":"pith_short_12","alias_value":"Z3QV7FZLXM6F","created_at":"2026-07-05T00:08:55Z"},{"alias_kind":"pith_short_16","alias_value":"Z3QV7FZLXM6FI7D7","created_at":"2026-07-05T00:08:55Z"},{"alias_kind":"pith_short_8","alias_value":"Z3QV7FZL","created_at":"2026-07-05T00:08:55Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:Z3QV7FZLXM6FI7D7DM5I2VVO5V","target":"record","payload":{"canonical_record":{"source":{"id":"1902.07205","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2019-02-19T18:59:59Z","cross_cats_sorted":["hep-ph"],"title_canon_sha256":"6390e950e3838d590ceb5fcdfb3f7ced253c2efec7975a33ef86fa0b2e989a56","abstract_canon_sha256":"5628f9d60ae12b10fc359050e8174b5d0d37c3fdae1d816edf7f2570dc869765"},"schema_version":"1.0"},"canonical_sha256":"cee15f972bbb3c547c7f1b3a8d56aeed76b45eb0765597311bc5395ceed4b6bb","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:08:55.524919Z","signature_b64":"UJamko0zM/4EYMCUxV1+JQrIVjRgebCROtNTqqavQpXAN2Okcf1tBEsa0RGqX04EKLhxdmPKcmf9WMrRjiT0Aw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"cee15f972bbb3c547c7f1b3a8d56aeed76b45eb0765597311bc5395ceed4b6bb","last_reissued_at":"2026-07-05T00:08:55.524479Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:08:55.524479Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1902.07205","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":"2026-07-05T00:08:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lEt+C4T6c/OqVTi1UXBta6TdkXXPdVFyPJQBbUYg4fKHkC2krTZ3kBidJu/AKufjih3p8mvJeLkfnnJn6EAsDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-09T00:42:42.890226Z"},"content_sha256":"c38afcc2b7a89a614f59f6eea7b469729f0bf42a2e079c03ec5bf8e5177f6585","schema_version":"1.0","event_id":"sha256:c38afcc2b7a89a614f59f6eea7b469729f0bf42a2e079c03ec5bf8e5177f6585"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:Z3QV7FZLXM6FI7D7DM5I2VVO5V","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Constructing $\\mathcal{N}=4$ Coulomb Branch Superamplitudes","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ph"],"primary_cat":"hep-th","authors_text":"Aidan Herderschee, Seth Koren, Timothy Trott","submitted_at":"2019-02-19T18:59:59Z","abstract_excerpt":"We study scattering amplitudes of massive BPS states on the Coulomb branch of $4d$ $\\mathcal{N}=4$ super-Yang-Mills, utilising a little group covariant on-shell superspace for massive particles. Super-BCFW recursion for massive amplitudes is constructed and its validity is proven for all Coulomb branch superamplitudes. We then determine the exact three-particle superamplitudes for massive states. These ingredients allow us to explicitly compute the four- and five-particle superamplitudes, which is the first non-trivial usage of BCFW recursion for amplitudes with entirely massive external state"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1902.07205","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/1902.07205/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":"2026-07-05T00:08:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ttYB0mTge1JxKY9ecK12+EkYpBYOlwJb/8gz9AkvwqW+p/nRLsgVs6Hap8VHb6VO/QESgpOiTT+aCNmfqRfBDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-09T00:42:42.890743Z"},"content_sha256":"28efc23d819345c4effedebe1e5ff832628586e3f448292248c3aff3b81efbe5","schema_version":"1.0","event_id":"sha256:28efc23d819345c4effedebe1e5ff832628586e3f448292248c3aff3b81efbe5"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/Z3QV7FZLXM6FI7D7DM5I2VVO5V/bundle.json","state_url":"https://pith.science/pith/Z3QV7FZLXM6FI7D7DM5I2VVO5V/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/Z3QV7FZLXM6FI7D7DM5I2VVO5V/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":"2026-08-09T00:42:42Z","links":{"resolver":"https://pith.science/pith/Z3QV7FZLXM6FI7D7DM5I2VVO5V","bundle":"https://pith.science/pith/Z3QV7FZLXM6FI7D7DM5I2VVO5V/bundle.json","state":"https://pith.science/pith/Z3QV7FZLXM6FI7D7DM5I2VVO5V/state.json","well_known_bundle":"https://pith.science/.well-known/pith/Z3QV7FZLXM6FI7D7DM5I2VVO5V/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:Z3QV7FZLXM6FI7D7DM5I2VVO5V","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":"5628f9d60ae12b10fc359050e8174b5d0d37c3fdae1d816edf7f2570dc869765","cross_cats_sorted":["hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2019-02-19T18:59:59Z","title_canon_sha256":"6390e950e3838d590ceb5fcdfb3f7ced253c2efec7975a33ef86fa0b2e989a56"},"schema_version":"1.0","source":{"id":"1902.07205","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1902.07205","created_at":"2026-07-05T00:08:55Z"},{"alias_kind":"arxiv_version","alias_value":"1902.07205v2","created_at":"2026-07-05T00:08:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1902.07205","created_at":"2026-07-05T00:08:55Z"},{"alias_kind":"pith_short_12","alias_value":"Z3QV7FZLXM6F","created_at":"2026-07-05T00:08:55Z"},{"alias_kind":"pith_short_16","alias_value":"Z3QV7FZLXM6FI7D7","created_at":"2026-07-05T00:08:55Z"},{"alias_kind":"pith_short_8","alias_value":"Z3QV7FZL","created_at":"2026-07-05T00:08:55Z"}],"graph_snapshots":[{"event_id":"sha256:28efc23d819345c4effedebe1e5ff832628586e3f448292248c3aff3b81efbe5","target":"graph","created_at":"2026-07-05T00:08:55Z","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/1902.07205/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We study scattering amplitudes of massive BPS states on the Coulomb branch of $4d$ $\\mathcal{N}=4$ super-Yang-Mills, utilising a little group covariant on-shell superspace for massive particles. Super-BCFW recursion for massive amplitudes is constructed and its validity is proven for all Coulomb branch superamplitudes. We then determine the exact three-particle superamplitudes for massive states. These ingredients allow us to explicitly compute the four- and five-particle superamplitudes, which is the first non-trivial usage of BCFW recursion for amplitudes with entirely massive external state","authors_text":"Aidan Herderschee, Seth Koren, Timothy Trott","cross_cats":["hep-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2019-02-19T18:59:59Z","title":"Constructing $\\mathcal{N}=4$ Coulomb Branch Superamplitudes"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1902.07205","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:c38afcc2b7a89a614f59f6eea7b469729f0bf42a2e079c03ec5bf8e5177f6585","target":"record","created_at":"2026-07-05T00:08:55Z","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":"5628f9d60ae12b10fc359050e8174b5d0d37c3fdae1d816edf7f2570dc869765","cross_cats_sorted":["hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2019-02-19T18:59:59Z","title_canon_sha256":"6390e950e3838d590ceb5fcdfb3f7ced253c2efec7975a33ef86fa0b2e989a56"},"schema_version":"1.0","source":{"id":"1902.07205","kind":"arxiv","version":2}},"canonical_sha256":"cee15f972bbb3c547c7f1b3a8d56aeed76b45eb0765597311bc5395ceed4b6bb","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"cee15f972bbb3c547c7f1b3a8d56aeed76b45eb0765597311bc5395ceed4b6bb","first_computed_at":"2026-07-05T00:08:55.524479Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T00:08:55.524479Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"UJamko0zM/4EYMCUxV1+JQrIVjRgebCROtNTqqavQpXAN2Okcf1tBEsa0RGqX04EKLhxdmPKcmf9WMrRjiT0Aw==","signature_status":"signed_v1","signed_at":"2026-07-05T00:08:55.524919Z","signed_message":"canonical_sha256_bytes"},"source_id":"1902.07205","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c38afcc2b7a89a614f59f6eea7b469729f0bf42a2e079c03ec5bf8e5177f6585","sha256:28efc23d819345c4effedebe1e5ff832628586e3f448292248c3aff3b81efbe5"],"state_sha256":"c47ed4fc4efbe4783c4a76a31d4083d17359fd0cad1d92ac79c39cbbc38bea12"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Hu80tyHZNp28/ZuzKVOm4lHs5aqa0DuAwBPeTysMSCHj+hbCStWrISjfpQw0JTJ4jLAMOP9u01gKRvTjkOyXAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-09T00:42:42.895821Z","bundle_sha256":"9949adaa890a593b2b151f2a59195107507a99cd176fb9e1ba13b93f75f20933"}}