{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:QAQGASDIHMRPC7R6JUIP52OGXE","short_pith_number":"pith:QAQGASDI","canonical_record":{"source":{"id":"1902.00263","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2019-02-01T10:20:51Z","cross_cats_sorted":[],"title_canon_sha256":"1d08b01783b8760f66124358907cf754a0659e3c581ecd1d2e30d5184745d257","abstract_canon_sha256":"8c46920188a1fbe1a5448e487716ba93ce05ad75ac7a39079778b8cd2b3917f7"},"schema_version":"1.0"},"canonical_sha256":"80206048683b22f17e3e4d10fee9c6b9081976cd2868c9eb77318f530eb188bb","source":{"kind":"arxiv","id":"1902.00263","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1902.00263","created_at":"2026-07-05T00:30:01Z"},{"alias_kind":"arxiv_version","alias_value":"1902.00263v1","created_at":"2026-07-05T00:30:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1902.00263","created_at":"2026-07-05T00:30:01Z"},{"alias_kind":"pith_short_12","alias_value":"QAQGASDIHMRP","created_at":"2026-07-05T00:30:01Z"},{"alias_kind":"pith_short_16","alias_value":"QAQGASDIHMRPC7R6","created_at":"2026-07-05T00:30:01Z"},{"alias_kind":"pith_short_8","alias_value":"QAQGASDI","created_at":"2026-07-05T00:30:01Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:QAQGASDIHMRPC7R6JUIP52OGXE","target":"record","payload":{"canonical_record":{"source":{"id":"1902.00263","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2019-02-01T10:20:51Z","cross_cats_sorted":[],"title_canon_sha256":"1d08b01783b8760f66124358907cf754a0659e3c581ecd1d2e30d5184745d257","abstract_canon_sha256":"8c46920188a1fbe1a5448e487716ba93ce05ad75ac7a39079778b8cd2b3917f7"},"schema_version":"1.0"},"canonical_sha256":"80206048683b22f17e3e4d10fee9c6b9081976cd2868c9eb77318f530eb188bb","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:30:01.353138Z","signature_b64":"tbAIx7Eos26tTUDi7k3N2ZK4mxQUHhjhr2hchRyAklw5Fyyn2Y/2FdhGZDJ8lMmwm40VO5kGtBmlQ+HjQq5sBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"80206048683b22f17e3e4d10fee9c6b9081976cd2868c9eb77318f530eb188bb","last_reissued_at":"2026-07-05T00:30:01.352602Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:30:01.352602Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1902.00263","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":"2026-07-05T00:30:01Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CUDW9mnX7J6rw8+xHBv6gqsTuYuKjEC6usHDRQXc9mEoHxYaBOn8lCHgtzTl/2RoIzZ5xKrjYkl4STtOL7gyDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-07T16:27:07.715128Z"},"content_sha256":"29064a70236fd1c8faf569314bbdb4182022ba3cb28c6d3eebfc3a25dfdb0c3c","schema_version":"1.0","event_id":"sha256:29064a70236fd1c8faf569314bbdb4182022ba3cb28c6d3eebfc3a25dfdb0c3c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:QAQGASDIHMRPC7R6JUIP52OGXE","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"String Field Theory as World-sheet UV Regulator","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-th","authors_text":"Ashoke Sen","submitted_at":"2019-02-01T10:20:51Z","abstract_excerpt":"Even at tree level, the first quantized string theory suffers from apparent short distance singularities associated with collision of vertex operators that prevent us from straightforward numerical computation of various quantities. Examples include string theory S-matrix for generic external momenta and computation of the spectrum of string theory under a marginal deformation of the world-sheet theory. The former requires us to define the S-matrix via analytic continuation or as limits of contour integrals in complexified moduli space, while the latter requires us to use an ultraviolet cut-of"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1902.00263","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/1902.00263/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":"2026-07-05T00:30:01Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"OFKE/QsoLiJAhp7o2uNGmyu+7eW4t/GbRKUgzscBlodmrcnIUygDmEoldBlE3UYksOy0ZTMn/kNA7h8sWrM3AA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-07T16:27:07.716034Z"},"content_sha256":"8ad97f2d8f7dc1b2adea09351a1475d4626bdbeec82201aedc4c9af30bb2b7a3","schema_version":"1.0","event_id":"sha256:8ad97f2d8f7dc1b2adea09351a1475d4626bdbeec82201aedc4c9af30bb2b7a3"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/QAQGASDIHMRPC7R6JUIP52OGXE/bundle.json","state_url":"https://pith.science/pith/QAQGASDIHMRPC7R6JUIP52OGXE/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/QAQGASDIHMRPC7R6JUIP52OGXE/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":"2026-08-07T16:27:07Z","links":{"resolver":"https://pith.science/pith/QAQGASDIHMRPC7R6JUIP52OGXE","bundle":"https://pith.science/pith/QAQGASDIHMRPC7R6JUIP52OGXE/bundle.json","state":"https://pith.science/pith/QAQGASDIHMRPC7R6JUIP52OGXE/state.json","well_known_bundle":"https://pith.science/.well-known/pith/QAQGASDIHMRPC7R6JUIP52OGXE/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:QAQGASDIHMRPC7R6JUIP52OGXE","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":"8c46920188a1fbe1a5448e487716ba93ce05ad75ac7a39079778b8cd2b3917f7","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2019-02-01T10:20:51Z","title_canon_sha256":"1d08b01783b8760f66124358907cf754a0659e3c581ecd1d2e30d5184745d257"},"schema_version":"1.0","source":{"id":"1902.00263","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1902.00263","created_at":"2026-07-05T00:30:01Z"},{"alias_kind":"arxiv_version","alias_value":"1902.00263v1","created_at":"2026-07-05T00:30:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1902.00263","created_at":"2026-07-05T00:30:01Z"},{"alias_kind":"pith_short_12","alias_value":"QAQGASDIHMRP","created_at":"2026-07-05T00:30:01Z"},{"alias_kind":"pith_short_16","alias_value":"QAQGASDIHMRPC7R6","created_at":"2026-07-05T00:30:01Z"},{"alias_kind":"pith_short_8","alias_value":"QAQGASDI","created_at":"2026-07-05T00:30:01Z"}],"graph_snapshots":[{"event_id":"sha256:8ad97f2d8f7dc1b2adea09351a1475d4626bdbeec82201aedc4c9af30bb2b7a3","target":"graph","created_at":"2026-07-05T00:30:01Z","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/1902.00263/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Even at tree level, the first quantized string theory suffers from apparent short distance singularities associated with collision of vertex operators that prevent us from straightforward numerical computation of various quantities. Examples include string theory S-matrix for generic external momenta and computation of the spectrum of string theory under a marginal deformation of the world-sheet theory. The former requires us to define the S-matrix via analytic continuation or as limits of contour integrals in complexified moduli space, while the latter requires us to use an ultraviolet cut-of","authors_text":"Ashoke Sen","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2019-02-01T10:20:51Z","title":"String Field Theory as World-sheet UV Regulator"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1902.00263","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":"sha256:29064a70236fd1c8faf569314bbdb4182022ba3cb28c6d3eebfc3a25dfdb0c3c","target":"record","created_at":"2026-07-05T00:30:01Z","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":"8c46920188a1fbe1a5448e487716ba93ce05ad75ac7a39079778b8cd2b3917f7","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2019-02-01T10:20:51Z","title_canon_sha256":"1d08b01783b8760f66124358907cf754a0659e3c581ecd1d2e30d5184745d257"},"schema_version":"1.0","source":{"id":"1902.00263","kind":"arxiv","version":1}},"canonical_sha256":"80206048683b22f17e3e4d10fee9c6b9081976cd2868c9eb77318f530eb188bb","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"80206048683b22f17e3e4d10fee9c6b9081976cd2868c9eb77318f530eb188bb","first_computed_at":"2026-07-05T00:30:01.352602Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T00:30:01.352602Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"tbAIx7Eos26tTUDi7k3N2ZK4mxQUHhjhr2hchRyAklw5Fyyn2Y/2FdhGZDJ8lMmwm40VO5kGtBmlQ+HjQq5sBA==","signature_status":"signed_v1","signed_at":"2026-07-05T00:30:01.353138Z","signed_message":"canonical_sha256_bytes"},"source_id":"1902.00263","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:29064a70236fd1c8faf569314bbdb4182022ba3cb28c6d3eebfc3a25dfdb0c3c","sha256:8ad97f2d8f7dc1b2adea09351a1475d4626bdbeec82201aedc4c9af30bb2b7a3"],"state_sha256":"2cf5d07a7bc9bdeeb61b38f0f5cdba24a30b5b22aaa4f88bb775e4f3e88d14c0"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"FIhsrWC37iboFZqUsIqlFCXtIJ0xG4uewwK0cAu/ix/Gc8boqaN5jhbRUA3+3cF1dZNpRfGFOX5wlceva+NPCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-07T16:27:07.722374Z","bundle_sha256":"3172d80084bb124757bf69957ff9db9d4f96ab446967c3a53f023e9eabd3e7b2"}}