{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:MMDVRSHQHIDDWRGEVFPIWYDB4O","short_pith_number":"pith:MMDVRSHQ","canonical_record":{"source":{"id":"2309.16602","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"hep-th","submitted_at":"2023-09-28T17:04:33Z","cross_cats_sorted":[],"title_canon_sha256":"6b05e21e5172eea45e171ed364921047f01c5a2346875bd53569be07541677fc","abstract_canon_sha256":"472dc317978c9d41f133c06af6d0e89e3b33583e593bfaf7864f43272a91869c"},"schema_version":"1.0"},"canonical_sha256":"630758c8f03a063b44c4a95e8b6061e3934745ae521ad162faca5638aef32025","source":{"kind":"arxiv","id":"2309.16602","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2309.16602","created_at":"2026-07-05T07:50:20Z"},{"alias_kind":"arxiv_version","alias_value":"2309.16602v1","created_at":"2026-07-05T07:50:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2309.16602","created_at":"2026-07-05T07:50:20Z"},{"alias_kind":"pith_short_12","alias_value":"MMDVRSHQHIDD","created_at":"2026-07-05T07:50:20Z"},{"alias_kind":"pith_short_16","alias_value":"MMDVRSHQHIDDWRGE","created_at":"2026-07-05T07:50:20Z"},{"alias_kind":"pith_short_8","alias_value":"MMDVRSHQ","created_at":"2026-07-05T07:50:20Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:MMDVRSHQHIDDWRGEVFPIWYDB4O","target":"record","payload":{"canonical_record":{"source":{"id":"2309.16602","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"hep-th","submitted_at":"2023-09-28T17:04:33Z","cross_cats_sorted":[],"title_canon_sha256":"6b05e21e5172eea45e171ed364921047f01c5a2346875bd53569be07541677fc","abstract_canon_sha256":"472dc317978c9d41f133c06af6d0e89e3b33583e593bfaf7864f43272a91869c"},"schema_version":"1.0"},"canonical_sha256":"630758c8f03a063b44c4a95e8b6061e3934745ae521ad162faca5638aef32025","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T07:50:20.855749Z","signature_b64":"TFWN6ndgJqp5+K7WJ6QzwooEUqfvWYgCs7/bV3i2le7VnEz42b/57ZJcRU1YYHJMkUB8gfhXle3ESvwkPpUYAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"630758c8f03a063b44c4a95e8b6061e3934745ae521ad162faca5638aef32025","last_reissued_at":"2026-07-05T07:50:20.855360Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T07:50:20.855360Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2309.16602","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T07:50:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2lmzGYPHtFWJ/NBbCaVKWrgK1DplUWJMOVzqZdWslSxlKGciYbKc3eD8rua+nIbFrEIUaW3kY7RuEno5qw+lDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-07T17:08:58.717488Z"},"content_sha256":"e1eeef8f7b2c60cbafd3fe7ca5cf32de095ce46c0c6b54701f0b521d25d0bb34","schema_version":"1.0","event_id":"sha256:e1eeef8f7b2c60cbafd3fe7ca5cf32de095ce46c0c6b54701f0b521d25d0bb34"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:MMDVRSHQHIDDWRGEVFPIWYDB4O","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Multicollinear Singularities in Celestial CFT","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","headline":"","cross_cats":[],"primary_cat":"hep-th","authors_text":"Adam Ball, Sabrina Pasterski, Yangrui Hu","submitted_at":"2023-09-28T17:04:33Z","abstract_excerpt":"The purpose of this paper is to study the holomorphic multicollinear limit of (celestial) amplitudes and use it to further investigate the double residue condition for (hard celestial) amplitudes and the celestial operator product expansion. We first set up the notion of holomorphic multicollinear limits of amplitudes and derive the 3-collinear splitting functions for Yang-Mills theory, Einstein gravity, and massless $\\phi^3$ theory. In particular, we find that in $\\phi^3$ theory the celestial 3-OPE contains a term with a branch cut. This explicit example confirms that branch cuts can obstruct"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2309.16602","kind":"arxiv","version":1},"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/2309.16602/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":"2026-07-05T07:50:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qHmo4OEJWu/K36uEhL9ynhjExwIqCdOMICgT2cBvDAmI4N4zlyoXF736QNAPFVmb+icfL/D1bjL8ODVRFWWMAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-07T17:08:58.718178Z"},"content_sha256":"0d295ce6f8f80ed21f3a01205eb11daf4d4578553b01e9e7d81302dceff597c7","schema_version":"1.0","event_id":"sha256:0d295ce6f8f80ed21f3a01205eb11daf4d4578553b01e9e7d81302dceff597c7"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/MMDVRSHQHIDDWRGEVFPIWYDB4O/bundle.json","state_url":"https://pith.science/pith/MMDVRSHQHIDDWRGEVFPIWYDB4O/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/MMDVRSHQHIDDWRGEVFPIWYDB4O/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":"2026-08-07T17:08:58Z","links":{"resolver":"https://pith.science/pith/MMDVRSHQHIDDWRGEVFPIWYDB4O","bundle":"https://pith.science/pith/MMDVRSHQHIDDWRGEVFPIWYDB4O/bundle.json","state":"https://pith.science/pith/MMDVRSHQHIDDWRGEVFPIWYDB4O/state.json","well_known_bundle":"https://pith.science/.well-known/pith/MMDVRSHQHIDDWRGEVFPIWYDB4O/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:MMDVRSHQHIDDWRGEVFPIWYDB4O","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":"472dc317978c9d41f133c06af6d0e89e3b33583e593bfaf7864f43272a91869c","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"hep-th","submitted_at":"2023-09-28T17:04:33Z","title_canon_sha256":"6b05e21e5172eea45e171ed364921047f01c5a2346875bd53569be07541677fc"},"schema_version":"1.0","source":{"id":"2309.16602","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2309.16602","created_at":"2026-07-05T07:50:20Z"},{"alias_kind":"arxiv_version","alias_value":"2309.16602v1","created_at":"2026-07-05T07:50:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2309.16602","created_at":"2026-07-05T07:50:20Z"},{"alias_kind":"pith_short_12","alias_value":"MMDVRSHQHIDD","created_at":"2026-07-05T07:50:20Z"},{"alias_kind":"pith_short_16","alias_value":"MMDVRSHQHIDDWRGE","created_at":"2026-07-05T07:50:20Z"},{"alias_kind":"pith_short_8","alias_value":"MMDVRSHQ","created_at":"2026-07-05T07:50:20Z"}],"graph_snapshots":[{"event_id":"sha256:0d295ce6f8f80ed21f3a01205eb11daf4d4578553b01e9e7d81302dceff597c7","target":"graph","created_at":"2026-07-05T07:50:20Z","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/2309.16602/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The purpose of this paper is to study the holomorphic multicollinear limit of (celestial) amplitudes and use it to further investigate the double residue condition for (hard celestial) amplitudes and the celestial operator product expansion. We first set up the notion of holomorphic multicollinear limits of amplitudes and derive the 3-collinear splitting functions for Yang-Mills theory, Einstein gravity, and massless $\\phi^3$ theory. In particular, we find that in $\\phi^3$ theory the celestial 3-OPE contains a term with a branch cut. This explicit example confirms that branch cuts can obstruct","authors_text":"Adam Ball, Sabrina Pasterski, Yangrui Hu","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"hep-th","submitted_at":"2023-09-28T17:04:33Z","title":"Multicollinear Singularities in Celestial CFT"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2309.16602","kind":"arxiv","version":1},"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:e1eeef8f7b2c60cbafd3fe7ca5cf32de095ce46c0c6b54701f0b521d25d0bb34","target":"record","created_at":"2026-07-05T07:50:20Z","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":"472dc317978c9d41f133c06af6d0e89e3b33583e593bfaf7864f43272a91869c","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"hep-th","submitted_at":"2023-09-28T17:04:33Z","title_canon_sha256":"6b05e21e5172eea45e171ed364921047f01c5a2346875bd53569be07541677fc"},"schema_version":"1.0","source":{"id":"2309.16602","kind":"arxiv","version":1}},"canonical_sha256":"630758c8f03a063b44c4a95e8b6061e3934745ae521ad162faca5638aef32025","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"630758c8f03a063b44c4a95e8b6061e3934745ae521ad162faca5638aef32025","first_computed_at":"2026-07-05T07:50:20.855360Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T07:50:20.855360Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"TFWN6ndgJqp5+K7WJ6QzwooEUqfvWYgCs7/bV3i2le7VnEz42b/57ZJcRU1YYHJMkUB8gfhXle3ESvwkPpUYAA==","signature_status":"signed_v1","signed_at":"2026-07-05T07:50:20.855749Z","signed_message":"canonical_sha256_bytes"},"source_id":"2309.16602","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e1eeef8f7b2c60cbafd3fe7ca5cf32de095ce46c0c6b54701f0b521d25d0bb34","sha256:0d295ce6f8f80ed21f3a01205eb11daf4d4578553b01e9e7d81302dceff597c7"],"state_sha256":"4d5dda09b1fde34737787ce1f7b7e2c808199f9a7e700cb27d44d17db2169af6"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"TVqT2hYkCz+api0HOVd+rLEE08NwQBEdrFC2lD922N0chMqBLa0pK9LZHOu3BYVM63BlWLLa3nIdo9ApklqBBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-07T17:08:58.723172Z","bundle_sha256":"fa8ac779cb7bd5de8e64735ca742868ea683064eccde7792b99af29283beeb26"}}