{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:1993:UPZBMRHSUJEVFKC3RP22MLK5MT","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":"54346a71defb76e06e7f3530e338c3976f569c2de7a7948e402de74bf1be60a6","cross_cats_sorted":[],"license":"","primary_cat":"gr-qc","submitted_at":"1993-12-10T00:58:30Z","title_canon_sha256":"ec9241d2be1ae4c6ef4574b2523a0c7bcf6222f7cd2bb6bf937e9a13ab0e0ec8"},"schema_version":"1.0","source":{"id":"gr-qc/9312018","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"gr-qc/9312018","created_at":"2026-05-18T04:37:57Z"},{"alias_kind":"arxiv_version","alias_value":"gr-qc/9312018v2","created_at":"2026-05-18T04:37:57Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.gr-qc/9312018","created_at":"2026-05-18T04:37:57Z"},{"alias_kind":"pith_short_12","alias_value":"UPZBMRHSUJEV","created_at":"2026-05-18T12:25:47Z"},{"alias_kind":"pith_short_16","alias_value":"UPZBMRHSUJEVFKC3","created_at":"2026-05-18T12:25:47Z"},{"alias_kind":"pith_short_8","alias_value":"UPZBMRHS","created_at":"2026-05-18T12:25:47Z"}],"graph_snapshots":[{"event_id":"sha256:cf8a67ab02b0a08845cb825d0dde305da0a6064779f82af8a571e50eb31a1b92","target":"graph","created_at":"2026-05-18T04:37:57Z","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 find general, time-dependent solutions produced by open string sources carrying no momentum flow in 2+1 dimensional gravity. The local Poincar\\'e group elements associated with these solutions and the coordinate transformations that transform these solutions into Minkowski metric are obtained. We also find the relation between these solutions and the planar wall solutions in 3+1 dimensions.","authors_text":"Hai Ren","cross_cats":[],"headline":"","license":"","primary_cat":"gr-qc","submitted_at":"1993-12-10T00:58:30Z","title":"Time-Dependent Open String Solutions in 2+1 Dimensional Gravity"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"gr-qc/9312018","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:cc28af380f8738dc778c25597529b57ac882ec693bdaa4c6ec843e1b4a0b901c","target":"record","created_at":"2026-05-18T04:37:57Z","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":"54346a71defb76e06e7f3530e338c3976f569c2de7a7948e402de74bf1be60a6","cross_cats_sorted":[],"license":"","primary_cat":"gr-qc","submitted_at":"1993-12-10T00:58:30Z","title_canon_sha256":"ec9241d2be1ae4c6ef4574b2523a0c7bcf6222f7cd2bb6bf937e9a13ab0e0ec8"},"schema_version":"1.0","source":{"id":"gr-qc/9312018","kind":"arxiv","version":2}},"canonical_sha256":"a3f21644f2a24952a85b8bf5a62d5d64f32a9aa010f98ff996047ad4b4ed5868","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a3f21644f2a24952a85b8bf5a62d5d64f32a9aa010f98ff996047ad4b4ed5868","first_computed_at":"2026-05-18T04:37:57.362983Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:37:57.362983Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"mjIx2//yKVS/Wix0sz7o02i9nke8u3J2kg+37Qq450uheOtQ1J4pKrrv7h3r1/I6slXIHXc7OOU30vAjZ+lpDg==","signature_status":"signed_v1","signed_at":"2026-05-18T04:37:57.363402Z","signed_message":"canonical_sha256_bytes"},"source_id":"gr-qc/9312018","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:cc28af380f8738dc778c25597529b57ac882ec693bdaa4c6ec843e1b4a0b901c","sha256:cf8a67ab02b0a08845cb825d0dde305da0a6064779f82af8a571e50eb31a1b92"],"state_sha256":"7cb95cef12093cb0f4db3ee80245bd9e4a47c6a4ab6eaa653c0f2aaa7747ed62"}