{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:WPJ54JGXVQHFLPVU6CLI4XFA43","short_pith_number":"pith:WPJ54JGX","canonical_record":{"source":{"id":"1407.4627","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2014-07-17T10:48:04Z","cross_cats_sorted":[],"title_canon_sha256":"f8f9146178deecb9952c273a655b20f3b3357b226c8a7cde33d29ee92475d39d","abstract_canon_sha256":"a0d45997d92afe81619538d7f89cb4e005ea52fcf301b35822b547cf78525a5a"},"schema_version":"1.0"},"canonical_sha256":"b3d3de24d7ac0e55beb4f0968e5ca0e6c3e8c7a735cd9d703e28e908f1bd0775","source":{"kind":"arxiv","id":"1407.4627","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1407.4627","created_at":"2026-05-18T01:42:34Z"},{"alias_kind":"arxiv_version","alias_value":"1407.4627v1","created_at":"2026-05-18T01:42:34Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1407.4627","created_at":"2026-05-18T01:42:34Z"},{"alias_kind":"pith_short_12","alias_value":"WPJ54JGXVQHF","created_at":"2026-05-18T12:28:54Z"},{"alias_kind":"pith_short_16","alias_value":"WPJ54JGXVQHFLPVU","created_at":"2026-05-18T12:28:54Z"},{"alias_kind":"pith_short_8","alias_value":"WPJ54JGX","created_at":"2026-05-18T12:28:54Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:WPJ54JGXVQHFLPVU6CLI4XFA43","target":"record","payload":{"canonical_record":{"source":{"id":"1407.4627","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2014-07-17T10:48:04Z","cross_cats_sorted":[],"title_canon_sha256":"f8f9146178deecb9952c273a655b20f3b3357b226c8a7cde33d29ee92475d39d","abstract_canon_sha256":"a0d45997d92afe81619538d7f89cb4e005ea52fcf301b35822b547cf78525a5a"},"schema_version":"1.0"},"canonical_sha256":"b3d3de24d7ac0e55beb4f0968e5ca0e6c3e8c7a735cd9d703e28e908f1bd0775","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:42:34.414279Z","signature_b64":"UJDHZ0621g9G5dbuUyyraoUvxkfxRXh0PPSoKqsBNYg6k+C89OymKcx61VjCxJGjchS/FGs5TuclrxgodfVMDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b3d3de24d7ac0e55beb4f0968e5ca0e6c3e8c7a735cd9d703e28e908f1bd0775","last_reissued_at":"2026-05-18T01:42:34.413779Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:42:34.413779Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1407.4627","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":"2026-05-18T01:42:34Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"tXIzocYbTExFTbJNmfP/MW2C3FzO9mCbE5hPlBd9tOyV1PtDMtBjVXcDVHa5TS5Y+c1lhFr1KPeQW0VucD1XAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T17:15:27.410354Z"},"content_sha256":"b5ebbe57138d065450b7dd8669d453aa189b472156968dbfbdee0a4bdab794b6","schema_version":"1.0","event_id":"sha256:b5ebbe57138d065450b7dd8669d453aa189b472156968dbfbdee0a4bdab794b6"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:WPJ54JGXVQHFLPVU6CLI4XFA43","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Canonical quantization of a string describing $N$ branes at angles","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-th","authors_text":"Igor Pesando","submitted_at":"2014-07-17T10:48:04Z","abstract_excerpt":"We study the canonical quantization of a bosonic string in presence of N twist fields. This generalizes the quantization of the twisted string in two ways: the in and out states are not necessarily twisted and the number of twist fields N can be bigger than 2.\n  In order to quantize the theory we need to find the normal modes. Then we need to define a product between two modes which is conserved. Because of this we need to use the Klein-Gordon product and to separate the string coordinate into the classical and the quantum part. The quantum part has different boundary conditions than the origi"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1407.4627","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":""},"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":"2026-05-18T01:42:34Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"eBeki0CQOR+kzj+AijKF5XRzslQ/SWuyflKUtXFHxcdURIKh8wMQFPG4QjQNPho+IrnVHb7GtL3FXVe8CGGWCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T17:15:27.410706Z"},"content_sha256":"fde70346a8bbd4d893624ad15f039b379fdb4ab4d74ae2f60799a5d22b05688f","schema_version":"1.0","event_id":"sha256:fde70346a8bbd4d893624ad15f039b379fdb4ab4d74ae2f60799a5d22b05688f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/WPJ54JGXVQHFLPVU6CLI4XFA43/bundle.json","state_url":"https://pith.science/pith/WPJ54JGXVQHFLPVU6CLI4XFA43/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/WPJ54JGXVQHFLPVU6CLI4XFA43/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":"2026-06-01T17:15:27Z","links":{"resolver":"https://pith.science/pith/WPJ54JGXVQHFLPVU6CLI4XFA43","bundle":"https://pith.science/pith/WPJ54JGXVQHFLPVU6CLI4XFA43/bundle.json","state":"https://pith.science/pith/WPJ54JGXVQHFLPVU6CLI4XFA43/state.json","well_known_bundle":"https://pith.science/.well-known/pith/WPJ54JGXVQHFLPVU6CLI4XFA43/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:WPJ54JGXVQHFLPVU6CLI4XFA43","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":"a0d45997d92afe81619538d7f89cb4e005ea52fcf301b35822b547cf78525a5a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2014-07-17T10:48:04Z","title_canon_sha256":"f8f9146178deecb9952c273a655b20f3b3357b226c8a7cde33d29ee92475d39d"},"schema_version":"1.0","source":{"id":"1407.4627","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1407.4627","created_at":"2026-05-18T01:42:34Z"},{"alias_kind":"arxiv_version","alias_value":"1407.4627v1","created_at":"2026-05-18T01:42:34Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1407.4627","created_at":"2026-05-18T01:42:34Z"},{"alias_kind":"pith_short_12","alias_value":"WPJ54JGXVQHF","created_at":"2026-05-18T12:28:54Z"},{"alias_kind":"pith_short_16","alias_value":"WPJ54JGXVQHFLPVU","created_at":"2026-05-18T12:28:54Z"},{"alias_kind":"pith_short_8","alias_value":"WPJ54JGX","created_at":"2026-05-18T12:28:54Z"}],"graph_snapshots":[{"event_id":"sha256:fde70346a8bbd4d893624ad15f039b379fdb4ab4d74ae2f60799a5d22b05688f","target":"graph","created_at":"2026-05-18T01:42:34Z","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"},"paper":{"abstract_excerpt":"We study the canonical quantization of a bosonic string in presence of N twist fields. This generalizes the quantization of the twisted string in two ways: the in and out states are not necessarily twisted and the number of twist fields N can be bigger than 2.\n  In order to quantize the theory we need to find the normal modes. Then we need to define a product between two modes which is conserved. Because of this we need to use the Klein-Gordon product and to separate the string coordinate into the classical and the quantum part. The quantum part has different boundary conditions than the origi","authors_text":"Igor Pesando","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2014-07-17T10:48:04Z","title":"Canonical quantization of a string describing $N$ branes at angles"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1407.4627","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:b5ebbe57138d065450b7dd8669d453aa189b472156968dbfbdee0a4bdab794b6","target":"record","created_at":"2026-05-18T01:42:34Z","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":"a0d45997d92afe81619538d7f89cb4e005ea52fcf301b35822b547cf78525a5a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2014-07-17T10:48:04Z","title_canon_sha256":"f8f9146178deecb9952c273a655b20f3b3357b226c8a7cde33d29ee92475d39d"},"schema_version":"1.0","source":{"id":"1407.4627","kind":"arxiv","version":1}},"canonical_sha256":"b3d3de24d7ac0e55beb4f0968e5ca0e6c3e8c7a735cd9d703e28e908f1bd0775","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b3d3de24d7ac0e55beb4f0968e5ca0e6c3e8c7a735cd9d703e28e908f1bd0775","first_computed_at":"2026-05-18T01:42:34.413779Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:42:34.413779Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"UJDHZ0621g9G5dbuUyyraoUvxkfxRXh0PPSoKqsBNYg6k+C89OymKcx61VjCxJGjchS/FGs5TuclrxgodfVMDg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:42:34.414279Z","signed_message":"canonical_sha256_bytes"},"source_id":"1407.4627","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b5ebbe57138d065450b7dd8669d453aa189b472156968dbfbdee0a4bdab794b6","sha256:fde70346a8bbd4d893624ad15f039b379fdb4ab4d74ae2f60799a5d22b05688f"],"state_sha256":"ad0a2307dd9423ddb2bc55e1903d82ec0efe1cf0842e77a9f0e808954da9fd4d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Fm17jjkFwJi9SD58LSUgnadlpOVCcfWN0iaUvr8gvNEzcjnPXLlM5OgPCs/tL0T8hsF/Y5QV/winq6r22WIFDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T17:15:27.412646Z","bundle_sha256":"08f5872162c4960496d2045a98126ef7b1c241fbe53e5371abfeba6daabf8047"}}