{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:WD2YUGOUNG75JBKGGDDSNLHJK5","short_pith_number":"pith:WD2YUGOU","canonical_record":{"source":{"id":"1001.3267","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2010-01-19T11:57:35Z","cross_cats_sorted":[],"title_canon_sha256":"bac5bbdc7485179aad599f8b81ff8e191749f68f9c19d6634c351f86ffeda11c","abstract_canon_sha256":"6bcad24bd80f72b36317b6f539e248c78e8bd57bd9d29647f09222d150c4cbf7"},"schema_version":"1.0"},"canonical_sha256":"b0f58a19d469bfd4854630c726ace9575acfd083eb32fac047496599cb384941","source":{"kind":"arxiv","id":"1001.3267","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1001.3267","created_at":"2026-05-18T02:33:49Z"},{"alias_kind":"arxiv_version","alias_value":"1001.3267v1","created_at":"2026-05-18T02:33:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1001.3267","created_at":"2026-05-18T02:33:49Z"},{"alias_kind":"pith_short_12","alias_value":"WD2YUGOUNG75","created_at":"2026-05-18T12:26:15Z"},{"alias_kind":"pith_short_16","alias_value":"WD2YUGOUNG75JBKG","created_at":"2026-05-18T12:26:15Z"},{"alias_kind":"pith_short_8","alias_value":"WD2YUGOU","created_at":"2026-05-18T12:26:15Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:WD2YUGOUNG75JBKGGDDSNLHJK5","target":"record","payload":{"canonical_record":{"source":{"id":"1001.3267","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2010-01-19T11:57:35Z","cross_cats_sorted":[],"title_canon_sha256":"bac5bbdc7485179aad599f8b81ff8e191749f68f9c19d6634c351f86ffeda11c","abstract_canon_sha256":"6bcad24bd80f72b36317b6f539e248c78e8bd57bd9d29647f09222d150c4cbf7"},"schema_version":"1.0"},"canonical_sha256":"b0f58a19d469bfd4854630c726ace9575acfd083eb32fac047496599cb384941","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:33:49.520909Z","signature_b64":"padvavA8Q0cqqh47ZxyCv1rK049RpplQtMocYHtsGiBv8w+R4sSVpu1bTBRGzos2vjm2qJu3zmNUuXgpRpOXBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b0f58a19d469bfd4854630c726ace9575acfd083eb32fac047496599cb384941","last_reissued_at":"2026-05-18T02:33:49.520391Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:33:49.520391Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1001.3267","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":"2026-05-18T02:33:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qWTUtawIKS1ZSBvjRQXcJbbkpFCFqGj7YxsccpHkuzWAAazlW95qp6WjM4OnBffjTO/+cPJLkcpmYQjC1ukvDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-25T07:15:14.911349Z"},"content_sha256":"c8da584eb8161ae6c1e96539e34d327007ddc021b1cc23fcf40f5bc36f8ef501","schema_version":"1.0","event_id":"sha256:c8da584eb8161ae6c1e96539e34d327007ddc021b1cc23fcf40f5bc36f8ef501"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:WD2YUGOUNG75JBKGGDDSNLHJK5","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Propagation of extended objects across singularity of time dependent orbifold","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"gr-qc","authors_text":"Przemyslaw Malkiewicz","submitted_at":"2010-01-19T11:57:35Z","abstract_excerpt":"In this paper we argue that the compactified Milne space is a promising model of the cosmological singularity. It is shown that extended objects like strings propagate in a well-defined manner across the singularity of the embedding space. Then a proposal for quantization of extended objects in the case of a membrane is given."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1001.3267","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":"2026-05-18T02:33:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"JQRvnRdDP/rhykVO95ud4RTDjxvej8ybucDZ48yQrHzNjj8P713gslwP1+TTJwHMpVdmD3Uhirdb8lMekMGPBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-25T07:15:14.911698Z"},"content_sha256":"e306bca327cead1179ff7507205b27fd3a2dca78d876af200fb2d09df8d19e9c","schema_version":"1.0","event_id":"sha256:e306bca327cead1179ff7507205b27fd3a2dca78d876af200fb2d09df8d19e9c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/WD2YUGOUNG75JBKGGDDSNLHJK5/bundle.json","state_url":"https://pith.science/pith/WD2YUGOUNG75JBKGGDDSNLHJK5/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/WD2YUGOUNG75JBKGGDDSNLHJK5/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":"2026-06-25T07:15:14Z","links":{"resolver":"https://pith.science/pith/WD2YUGOUNG75JBKGGDDSNLHJK5","bundle":"https://pith.science/pith/WD2YUGOUNG75JBKGGDDSNLHJK5/bundle.json","state":"https://pith.science/pith/WD2YUGOUNG75JBKGGDDSNLHJK5/state.json","well_known_bundle":"https://pith.science/.well-known/pith/WD2YUGOUNG75JBKGGDDSNLHJK5/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:WD2YUGOUNG75JBKGGDDSNLHJK5","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":"6bcad24bd80f72b36317b6f539e248c78e8bd57bd9d29647f09222d150c4cbf7","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2010-01-19T11:57:35Z","title_canon_sha256":"bac5bbdc7485179aad599f8b81ff8e191749f68f9c19d6634c351f86ffeda11c"},"schema_version":"1.0","source":{"id":"1001.3267","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1001.3267","created_at":"2026-05-18T02:33:49Z"},{"alias_kind":"arxiv_version","alias_value":"1001.3267v1","created_at":"2026-05-18T02:33:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1001.3267","created_at":"2026-05-18T02:33:49Z"},{"alias_kind":"pith_short_12","alias_value":"WD2YUGOUNG75","created_at":"2026-05-18T12:26:15Z"},{"alias_kind":"pith_short_16","alias_value":"WD2YUGOUNG75JBKG","created_at":"2026-05-18T12:26:15Z"},{"alias_kind":"pith_short_8","alias_value":"WD2YUGOU","created_at":"2026-05-18T12:26:15Z"}],"graph_snapshots":[{"event_id":"sha256:e306bca327cead1179ff7507205b27fd3a2dca78d876af200fb2d09df8d19e9c","target":"graph","created_at":"2026-05-18T02:33:49Z","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":"In this paper we argue that the compactified Milne space is a promising model of the cosmological singularity. It is shown that extended objects like strings propagate in a well-defined manner across the singularity of the embedding space. Then a proposal for quantization of extended objects in the case of a membrane is given.","authors_text":"Przemyslaw Malkiewicz","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2010-01-19T11:57:35Z","title":"Propagation of extended objects across singularity of time dependent orbifold"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1001.3267","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:c8da584eb8161ae6c1e96539e34d327007ddc021b1cc23fcf40f5bc36f8ef501","target":"record","created_at":"2026-05-18T02:33:49Z","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":"6bcad24bd80f72b36317b6f539e248c78e8bd57bd9d29647f09222d150c4cbf7","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2010-01-19T11:57:35Z","title_canon_sha256":"bac5bbdc7485179aad599f8b81ff8e191749f68f9c19d6634c351f86ffeda11c"},"schema_version":"1.0","source":{"id":"1001.3267","kind":"arxiv","version":1}},"canonical_sha256":"b0f58a19d469bfd4854630c726ace9575acfd083eb32fac047496599cb384941","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b0f58a19d469bfd4854630c726ace9575acfd083eb32fac047496599cb384941","first_computed_at":"2026-05-18T02:33:49.520391Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:33:49.520391Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"padvavA8Q0cqqh47ZxyCv1rK049RpplQtMocYHtsGiBv8w+R4sSVpu1bTBRGzos2vjm2qJu3zmNUuXgpRpOXBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:33:49.520909Z","signed_message":"canonical_sha256_bytes"},"source_id":"1001.3267","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c8da584eb8161ae6c1e96539e34d327007ddc021b1cc23fcf40f5bc36f8ef501","sha256:e306bca327cead1179ff7507205b27fd3a2dca78d876af200fb2d09df8d19e9c"],"state_sha256":"26e65ae0db6c2bfd8e32e24994cfabba24dac7d7f126841f9a44fee8c2876bb3"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"T4rJqcciV5Rneo7SzgbPPCJ9ycaebbQLmSvpb1s1Y4K50ZLLaPvORHU/j1X376X32cJRj1nbl9Rrs8xGy/KUCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-25T07:15:14.913735Z","bundle_sha256":"e0dfc892aba91e09b6193cc2275b851fafedcb8758645cca80e0d369b11f5573"}}