{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:GW2EDAWUFTWHVAIGIZ2WJ7D6DV","short_pith_number":"pith:GW2EDAWU","canonical_record":{"source":{"id":"1610.07618","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2016-10-24T20:00:05Z","cross_cats_sorted":[],"title_canon_sha256":"d21853087d34eb568783fc7c15f05d250595f8f28b18e6e788758c7377ec36bf","abstract_canon_sha256":"3dbea2f4a1c310005a6410d7418c60111da1bec9792b996dc84fcdebabc6fc80"},"schema_version":"1.0"},"canonical_sha256":"35b44182d42cec7a8106467564fc7e1d62de4532665e47e6556f941bc555284f","source":{"kind":"arxiv","id":"1610.07618","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1610.07618","created_at":"2026-05-18T00:40:07Z"},{"alias_kind":"arxiv_version","alias_value":"1610.07618v1","created_at":"2026-05-18T00:40:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1610.07618","created_at":"2026-05-18T00:40:07Z"},{"alias_kind":"pith_short_12","alias_value":"GW2EDAWUFTWH","created_at":"2026-05-18T12:30:19Z"},{"alias_kind":"pith_short_16","alias_value":"GW2EDAWUFTWHVAIG","created_at":"2026-05-18T12:30:19Z"},{"alias_kind":"pith_short_8","alias_value":"GW2EDAWU","created_at":"2026-05-18T12:30:19Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:GW2EDAWUFTWHVAIGIZ2WJ7D6DV","target":"record","payload":{"canonical_record":{"source":{"id":"1610.07618","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2016-10-24T20:00:05Z","cross_cats_sorted":[],"title_canon_sha256":"d21853087d34eb568783fc7c15f05d250595f8f28b18e6e788758c7377ec36bf","abstract_canon_sha256":"3dbea2f4a1c310005a6410d7418c60111da1bec9792b996dc84fcdebabc6fc80"},"schema_version":"1.0"},"canonical_sha256":"35b44182d42cec7a8106467564fc7e1d62de4532665e47e6556f941bc555284f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:40:07.895659Z","signature_b64":"cwvpMoUWrJm0K0jErBv9VFQtFMXT08hZYDft45reFxKZzYgqeIs/6F4RHa+fY/hqTR+8+SkT/MoCtB5as/9NCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"35b44182d42cec7a8106467564fc7e1d62de4532665e47e6556f941bc555284f","last_reissued_at":"2026-05-18T00:40:07.895133Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:40:07.895133Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1610.07618","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":"2026-05-18T00:40:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"XOte4g53YujUg5c761S4EGcOvYicKsVjuSzCafQFWgLWBX7fd0L9IGVoCW8yGb/T/a6V/KiEIJLfQPIffzHeBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-21T20:25:47.010155Z"},"content_sha256":"59e0f7599fdbeb86b6f1677c7a3dd3d9f2a863281b06dd1d887f9ab80faa86ba","schema_version":"1.0","event_id":"sha256:59e0f7599fdbeb86b6f1677c7a3dd3d9f2a863281b06dd1d887f9ab80faa86ba"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:GW2EDAWUFTWHVAIGIZ2WJ7D6DV","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Replica trick and string winding","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-th","authors_text":"Andrea Prudenziati, Diego Trancanelli","submitted_at":"2016-10-24T20:00:05Z","abstract_excerpt":"We apply the replica trick to compute the entropy of a cylinder amplitude in string theory. We focus on the contribution from non-perturbative winding modes and impose tadpole cancellation to understand the correct prescription for integrating over moduli. Choosing the entangling surface to cut longitudinally over the whole length of the cylinder, we obtain an answer that is interpreted as the entropy of a density matrix. We recast this result in target space language, both in the open and closed string picture."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1610.07618","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":"2026-05-18T00:40:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"DWXlet7GdtqQTsU/K9Z7imlbVZ72V75B+fFJTI01t1+rltDFOZMAHk8hXYCLX0KjqQ6AvhO4HcMUHqgsBKMrDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-21T20:25:47.010519Z"},"content_sha256":"3c1f1eac0c825b4c0654bc71386e639c7f154149e69a27733a2b93206b0a3638","schema_version":"1.0","event_id":"sha256:3c1f1eac0c825b4c0654bc71386e639c7f154149e69a27733a2b93206b0a3638"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/GW2EDAWUFTWHVAIGIZ2WJ7D6DV/bundle.json","state_url":"https://pith.science/pith/GW2EDAWUFTWHVAIGIZ2WJ7D6DV/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/GW2EDAWUFTWHVAIGIZ2WJ7D6DV/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":"2026-05-21T20:25:47Z","links":{"resolver":"https://pith.science/pith/GW2EDAWUFTWHVAIGIZ2WJ7D6DV","bundle":"https://pith.science/pith/GW2EDAWUFTWHVAIGIZ2WJ7D6DV/bundle.json","state":"https://pith.science/pith/GW2EDAWUFTWHVAIGIZ2WJ7D6DV/state.json","well_known_bundle":"https://pith.science/.well-known/pith/GW2EDAWUFTWHVAIGIZ2WJ7D6DV/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:GW2EDAWUFTWHVAIGIZ2WJ7D6DV","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":"3dbea2f4a1c310005a6410d7418c60111da1bec9792b996dc84fcdebabc6fc80","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2016-10-24T20:00:05Z","title_canon_sha256":"d21853087d34eb568783fc7c15f05d250595f8f28b18e6e788758c7377ec36bf"},"schema_version":"1.0","source":{"id":"1610.07618","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1610.07618","created_at":"2026-05-18T00:40:07Z"},{"alias_kind":"arxiv_version","alias_value":"1610.07618v1","created_at":"2026-05-18T00:40:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1610.07618","created_at":"2026-05-18T00:40:07Z"},{"alias_kind":"pith_short_12","alias_value":"GW2EDAWUFTWH","created_at":"2026-05-18T12:30:19Z"},{"alias_kind":"pith_short_16","alias_value":"GW2EDAWUFTWHVAIG","created_at":"2026-05-18T12:30:19Z"},{"alias_kind":"pith_short_8","alias_value":"GW2EDAWU","created_at":"2026-05-18T12:30:19Z"}],"graph_snapshots":[{"event_id":"sha256:3c1f1eac0c825b4c0654bc71386e639c7f154149e69a27733a2b93206b0a3638","target":"graph","created_at":"2026-05-18T00:40:07Z","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 apply the replica trick to compute the entropy of a cylinder amplitude in string theory. We focus on the contribution from non-perturbative winding modes and impose tadpole cancellation to understand the correct prescription for integrating over moduli. Choosing the entangling surface to cut longitudinally over the whole length of the cylinder, we obtain an answer that is interpreted as the entropy of a density matrix. We recast this result in target space language, both in the open and closed string picture.","authors_text":"Andrea Prudenziati, Diego Trancanelli","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2016-10-24T20:00:05Z","title":"Replica trick and string winding"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1610.07618","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":"sha256:59e0f7599fdbeb86b6f1677c7a3dd3d9f2a863281b06dd1d887f9ab80faa86ba","target":"record","created_at":"2026-05-18T00:40:07Z","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":"3dbea2f4a1c310005a6410d7418c60111da1bec9792b996dc84fcdebabc6fc80","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2016-10-24T20:00:05Z","title_canon_sha256":"d21853087d34eb568783fc7c15f05d250595f8f28b18e6e788758c7377ec36bf"},"schema_version":"1.0","source":{"id":"1610.07618","kind":"arxiv","version":1}},"canonical_sha256":"35b44182d42cec7a8106467564fc7e1d62de4532665e47e6556f941bc555284f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"35b44182d42cec7a8106467564fc7e1d62de4532665e47e6556f941bc555284f","first_computed_at":"2026-05-18T00:40:07.895133Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:40:07.895133Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"cwvpMoUWrJm0K0jErBv9VFQtFMXT08hZYDft45reFxKZzYgqeIs/6F4RHa+fY/hqTR+8+SkT/MoCtB5as/9NCA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:40:07.895659Z","signed_message":"canonical_sha256_bytes"},"source_id":"1610.07618","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:59e0f7599fdbeb86b6f1677c7a3dd3d9f2a863281b06dd1d887f9ab80faa86ba","sha256:3c1f1eac0c825b4c0654bc71386e639c7f154149e69a27733a2b93206b0a3638"],"state_sha256":"1e45be55267d3557ed91bfc67c73aacf904e759690d4401045356c6e37836735"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6QYmtsW4jElpCduGpqLKjS17d/6klto74OJtu1Yn7Oqj/IdJfp74Yb16GlRzZWJn2gYp6kQGopxmH96IcOvMCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-21T20:25:47.012581Z","bundle_sha256":"c88bb60db3ed548ed3e43a4559724e29a5d9aee6b1189f91ab9dde710b161a9a"}}