{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:1993:IYLOVPQHJIXW6OKN2UKHO6IBGC","short_pith_number":"pith:IYLOVPQH","canonical_record":{"source":{"id":"hep-th/9307036","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"hep-th","submitted_at":"1993-07-06T15:24:19Z","cross_cats_sorted":[],"title_canon_sha256":"a44717e14046b2597718c43650c1779d6ed93375e683480ea7d5592a0083af76","abstract_canon_sha256":"68fd4fc392c52f218a012c1a00c9bd8378a84fa70d9372361d188b33b86933cf"},"schema_version":"1.0"},"canonical_sha256":"4616eabe074a2f6f394dd51477790130afe652831f268aeadae87ebad6705161","source":{"kind":"arxiv","id":"hep-th/9307036","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-th/9307036","created_at":"2026-05-18T04:22:50Z"},{"alias_kind":"arxiv_version","alias_value":"hep-th/9307036v1","created_at":"2026-05-18T04:22:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-th/9307036","created_at":"2026-05-18T04:22:50Z"},{"alias_kind":"pith_short_12","alias_value":"IYLOVPQHJIXW","created_at":"2026-05-18T12:25:47Z"},{"alias_kind":"pith_short_16","alias_value":"IYLOVPQHJIXW6OKN","created_at":"2026-05-18T12:25:47Z"},{"alias_kind":"pith_short_8","alias_value":"IYLOVPQH","created_at":"2026-05-18T12:25:47Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:1993:IYLOVPQHJIXW6OKN2UKHO6IBGC","target":"record","payload":{"canonical_record":{"source":{"id":"hep-th/9307036","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"hep-th","submitted_at":"1993-07-06T15:24:19Z","cross_cats_sorted":[],"title_canon_sha256":"a44717e14046b2597718c43650c1779d6ed93375e683480ea7d5592a0083af76","abstract_canon_sha256":"68fd4fc392c52f218a012c1a00c9bd8378a84fa70d9372361d188b33b86933cf"},"schema_version":"1.0"},"canonical_sha256":"4616eabe074a2f6f394dd51477790130afe652831f268aeadae87ebad6705161","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:22:50.530367Z","signature_b64":"TEcAYCPEv31CkPisc2yx0t3JQ7KOJYDOkauvp7f4LlscpXjl/hwEZgw2US6pKFUc7qcBd3lr3O9CX/+X47oBDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4616eabe074a2f6f394dd51477790130afe652831f268aeadae87ebad6705161","last_reissued_at":"2026-05-18T04:22:50.529835Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:22:50.529835Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"hep-th/9307036","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":"2026-05-18T04:22:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mLGbVIhZwBtpVX6Kfp4j2ojvT47EHjkkOrcFfkAOjJ7opr7jDTTfevJ1P1gt6Fr1yRRywAKicSh8SeOCRYubCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T23:22:16.018045Z"},"content_sha256":"cfd50a6dca5455e649ab350896b29728d3b45af805b8620a942fd7fca402ea7f","schema_version":"1.0","event_id":"sha256:cfd50a6dca5455e649ab350896b29728d3b45af805b8620a942fd7fca402ea7f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:1993:IYLOVPQHJIXW6OKN2UKHO6IBGC","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The Dynamics of Relativistic Membranes I: Reduction to 2-dimensional Fluid Dynamics","license":"","headline":"","cross_cats":[],"primary_cat":"hep-th","authors_text":"Jens Hoppe, Martin Bordemann","submitted_at":"1993-07-06T15:24:19Z","abstract_excerpt":"We greatly simplify the light-cone gauge description of a relativistic membrane moving in Minkowski space by performing a field-dependent change of variables which allows the explicit solution of all constraints and a Hamiltonian reduction to a $SO(1,3)$ invariant $2+1$-dimensional theory of isentropic gas dynamics, where the pressure is inversely proportional to (minus) the mass-density. Simple expressions for the generators of the Poincar\\'e group are given. We also find a generalized Lax pair which involves as a novel feature complex conjugation. The extension to the supersymmetric case, as"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-th/9307036","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":"2026-05-18T04:22:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"tG+pq2QQUG2yuhY8puosEbsBBeLVJjknHAOmhLQf/sty3mE+EMKu3gdx2Y2QG+qhprbZ7QPLOIMTqgZqITPBDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T23:22:16.018843Z"},"content_sha256":"136af9a7d9b4583e677bf9c2cf018d4b279a125b843040b45e7e67c217544ee3","schema_version":"1.0","event_id":"sha256:136af9a7d9b4583e677bf9c2cf018d4b279a125b843040b45e7e67c217544ee3"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/IYLOVPQHJIXW6OKN2UKHO6IBGC/bundle.json","state_url":"https://pith.science/pith/IYLOVPQHJIXW6OKN2UKHO6IBGC/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/IYLOVPQHJIXW6OKN2UKHO6IBGC/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":"2026-05-31T23:22:16Z","links":{"resolver":"https://pith.science/pith/IYLOVPQHJIXW6OKN2UKHO6IBGC","bundle":"https://pith.science/pith/IYLOVPQHJIXW6OKN2UKHO6IBGC/bundle.json","state":"https://pith.science/pith/IYLOVPQHJIXW6OKN2UKHO6IBGC/state.json","well_known_bundle":"https://pith.science/.well-known/pith/IYLOVPQHJIXW6OKN2UKHO6IBGC/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:1993:IYLOVPQHJIXW6OKN2UKHO6IBGC","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":"68fd4fc392c52f218a012c1a00c9bd8378a84fa70d9372361d188b33b86933cf","cross_cats_sorted":[],"license":"","primary_cat":"hep-th","submitted_at":"1993-07-06T15:24:19Z","title_canon_sha256":"a44717e14046b2597718c43650c1779d6ed93375e683480ea7d5592a0083af76"},"schema_version":"1.0","source":{"id":"hep-th/9307036","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-th/9307036","created_at":"2026-05-18T04:22:50Z"},{"alias_kind":"arxiv_version","alias_value":"hep-th/9307036v1","created_at":"2026-05-18T04:22:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-th/9307036","created_at":"2026-05-18T04:22:50Z"},{"alias_kind":"pith_short_12","alias_value":"IYLOVPQHJIXW","created_at":"2026-05-18T12:25:47Z"},{"alias_kind":"pith_short_16","alias_value":"IYLOVPQHJIXW6OKN","created_at":"2026-05-18T12:25:47Z"},{"alias_kind":"pith_short_8","alias_value":"IYLOVPQH","created_at":"2026-05-18T12:25:47Z"}],"graph_snapshots":[{"event_id":"sha256:136af9a7d9b4583e677bf9c2cf018d4b279a125b843040b45e7e67c217544ee3","target":"graph","created_at":"2026-05-18T04:22:50Z","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 greatly simplify the light-cone gauge description of a relativistic membrane moving in Minkowski space by performing a field-dependent change of variables which allows the explicit solution of all constraints and a Hamiltonian reduction to a $SO(1,3)$ invariant $2+1$-dimensional theory of isentropic gas dynamics, where the pressure is inversely proportional to (minus) the mass-density. Simple expressions for the generators of the Poincar\\'e group are given. We also find a generalized Lax pair which involves as a novel feature complex conjugation. The extension to the supersymmetric case, as","authors_text":"Jens Hoppe, Martin Bordemann","cross_cats":[],"headline":"","license":"","primary_cat":"hep-th","submitted_at":"1993-07-06T15:24:19Z","title":"The Dynamics of Relativistic Membranes I: Reduction to 2-dimensional Fluid Dynamics"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-th/9307036","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:cfd50a6dca5455e649ab350896b29728d3b45af805b8620a942fd7fca402ea7f","target":"record","created_at":"2026-05-18T04:22:50Z","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":"68fd4fc392c52f218a012c1a00c9bd8378a84fa70d9372361d188b33b86933cf","cross_cats_sorted":[],"license":"","primary_cat":"hep-th","submitted_at":"1993-07-06T15:24:19Z","title_canon_sha256":"a44717e14046b2597718c43650c1779d6ed93375e683480ea7d5592a0083af76"},"schema_version":"1.0","source":{"id":"hep-th/9307036","kind":"arxiv","version":1}},"canonical_sha256":"4616eabe074a2f6f394dd51477790130afe652831f268aeadae87ebad6705161","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4616eabe074a2f6f394dd51477790130afe652831f268aeadae87ebad6705161","first_computed_at":"2026-05-18T04:22:50.529835Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:22:50.529835Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"TEcAYCPEv31CkPisc2yx0t3JQ7KOJYDOkauvp7f4LlscpXjl/hwEZgw2US6pKFUc7qcBd3lr3O9CX/+X47oBDw==","signature_status":"signed_v1","signed_at":"2026-05-18T04:22:50.530367Z","signed_message":"canonical_sha256_bytes"},"source_id":"hep-th/9307036","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:cfd50a6dca5455e649ab350896b29728d3b45af805b8620a942fd7fca402ea7f","sha256:136af9a7d9b4583e677bf9c2cf018d4b279a125b843040b45e7e67c217544ee3"],"state_sha256":"0e753a40865395bef0789033489cf30dd039ffba42ea41054fcae13ade9830e2"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"E8qY4kpzfMUrfzel7avWeekqrIWhNYc8o1QIxVQjd6EDWv+p1d6BCRbpfoC2DuFuEwlyq+sJwvqzwpZx2FaxCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T23:22:16.024011Z","bundle_sha256":"a03e4a70b27965d004264a371c331f9aff812d88d586e41c6f5c1a153f61039d"}}