{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:1998:FNCYLTZ5BO7WOTUR5AIWSWUOWI","short_pith_number":"pith:FNCYLTZ5","canonical_record":{"source":{"id":"hep-th/9807051","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"hep-th","submitted_at":"1998-07-08T09:18:10Z","cross_cats_sorted":["gr-qc"],"title_canon_sha256":"4016ef98006429c7fa5b113cf2d859b8cc40eaaed8f28d20a1a09eb09b88f714","abstract_canon_sha256":"268c5428afdd52868580ce4c0b9e9935e17c20eef3d7cd3b9ce53e7bba9df7e5"},"schema_version":"1.0"},"canonical_sha256":"2b4585cf3d0bbf674e91e811695a8eb2133119585e3ebd7453316ff9039c7090","source":{"kind":"arxiv","id":"hep-th/9807051","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-th/9807051","created_at":"2026-07-04T15:53:54Z"},{"alias_kind":"arxiv_version","alias_value":"hep-th/9807051v2","created_at":"2026-07-04T15:53:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-th/9807051","created_at":"2026-07-04T15:53:54Z"},{"alias_kind":"pith_short_12","alias_value":"FNCYLTZ5BO7W","created_at":"2026-07-04T15:53:54Z"},{"alias_kind":"pith_short_16","alias_value":"FNCYLTZ5BO7WOTUR","created_at":"2026-07-04T15:53:54Z"},{"alias_kind":"pith_short_8","alias_value":"FNCYLTZ5","created_at":"2026-07-04T15:53:54Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:1998:FNCYLTZ5BO7WOTUR5AIWSWUOWI","target":"record","payload":{"canonical_record":{"source":{"id":"hep-th/9807051","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"hep-th","submitted_at":"1998-07-08T09:18:10Z","cross_cats_sorted":["gr-qc"],"title_canon_sha256":"4016ef98006429c7fa5b113cf2d859b8cc40eaaed8f28d20a1a09eb09b88f714","abstract_canon_sha256":"268c5428afdd52868580ce4c0b9e9935e17c20eef3d7cd3b9ce53e7bba9df7e5"},"schema_version":"1.0"},"canonical_sha256":"2b4585cf3d0bbf674e91e811695a8eb2133119585e3ebd7453316ff9039c7090","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T15:53:54.065424Z","signature_b64":"RhIQdqiJZzUFEl01RrqkL/haD56SIi4jowyNS5ClqySLHxG8/Ag3GnIfb2VdZc+OSjkYyciz4QA97yxZSZKTBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2b4585cf3d0bbf674e91e811695a8eb2133119585e3ebd7453316ff9039c7090","last_reissued_at":"2026-07-04T15:53:54.065024Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T15:53:54.065024Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"hep-th/9807051","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-04T15:53:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7yIHXrboMt80RDDVnV8dP5Kw/mhoPfdAYl1Ly/QcNIFAfpxDeLBfp+Akj17v+8fq0QCp2ErMPw/HTkkglXt8DQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-05T08:02:53.764292Z"},"content_sha256":"3317fb9ebb8c9ef361ea8fd4f7e10115eae039cf6865042a33c9ee24515c3b98","schema_version":"1.0","event_id":"sha256:3317fb9ebb8c9ef361ea8fd4f7e10115eae039cf6865042a33c9ee24515c3b98"},{"event_type":"graph_snapshot","subject_pith_number":"pith:1998:FNCYLTZ5BO7WOTUR5AIWSWUOWI","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Instanton Cosmology and Domain Walls from M-theory and String Theory","license":"","headline":"","cross_cats":["gr-qc"],"primary_cat":"hep-th","authors_text":"C.N. Pope, H. Lu, K.S. Stelle, M. Bremer, M.J. Duff","submitted_at":"1998-07-08T09:18:10Z","abstract_excerpt":"The recent proposal by Hawking and Turok for obtaining an open inflationary universe from singular instantons makes use of low-energy effective Lagrangians describing gravity coupled to scalars and non-propagating antisymmetric tensors. In this paper we derive some exact results for Lagrangians of this type, obtained from spherical compactifications of M-theory and string theory. In the case of the S^7 compactification of M-theory, we give a detailed discussion of the cosmological solutions. We also show that the lower-dimensional Lagrangians admit domain-wall solutions, which preserve one hal"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-th/9807051","kind":"arxiv","version":2},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/hep-th/9807051/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-04T15:53:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"O6jcCsPFu6pcU5cTK14S/i/A+TaBzicANnGnFM/kqt4xA0sQ3NLJtsXASszKxPEyLUHVQ6jOYQS6Yksq2qehAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-05T08:02:53.764686Z"},"content_sha256":"c53f4e79408c803a9588a03573b855265bcb0a559eafc7e696dfd22a494f3b2e","schema_version":"1.0","event_id":"sha256:c53f4e79408c803a9588a03573b855265bcb0a559eafc7e696dfd22a494f3b2e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/FNCYLTZ5BO7WOTUR5AIWSWUOWI/bundle.json","state_url":"https://pith.science/pith/FNCYLTZ5BO7WOTUR5AIWSWUOWI/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/FNCYLTZ5BO7WOTUR5AIWSWUOWI/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":"2026-07-05T08:02:53Z","links":{"resolver":"https://pith.science/pith/FNCYLTZ5BO7WOTUR5AIWSWUOWI","bundle":"https://pith.science/pith/FNCYLTZ5BO7WOTUR5AIWSWUOWI/bundle.json","state":"https://pith.science/pith/FNCYLTZ5BO7WOTUR5AIWSWUOWI/state.json","well_known_bundle":"https://pith.science/.well-known/pith/FNCYLTZ5BO7WOTUR5AIWSWUOWI/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:1998:FNCYLTZ5BO7WOTUR5AIWSWUOWI","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":"268c5428afdd52868580ce4c0b9e9935e17c20eef3d7cd3b9ce53e7bba9df7e5","cross_cats_sorted":["gr-qc"],"license":"","primary_cat":"hep-th","submitted_at":"1998-07-08T09:18:10Z","title_canon_sha256":"4016ef98006429c7fa5b113cf2d859b8cc40eaaed8f28d20a1a09eb09b88f714"},"schema_version":"1.0","source":{"id":"hep-th/9807051","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-th/9807051","created_at":"2026-07-04T15:53:54Z"},{"alias_kind":"arxiv_version","alias_value":"hep-th/9807051v2","created_at":"2026-07-04T15:53:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-th/9807051","created_at":"2026-07-04T15:53:54Z"},{"alias_kind":"pith_short_12","alias_value":"FNCYLTZ5BO7W","created_at":"2026-07-04T15:53:54Z"},{"alias_kind":"pith_short_16","alias_value":"FNCYLTZ5BO7WOTUR","created_at":"2026-07-04T15:53:54Z"},{"alias_kind":"pith_short_8","alias_value":"FNCYLTZ5","created_at":"2026-07-04T15:53:54Z"}],"graph_snapshots":[{"event_id":"sha256:c53f4e79408c803a9588a03573b855265bcb0a559eafc7e696dfd22a494f3b2e","target":"graph","created_at":"2026-07-04T15:53:54Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/hep-th/9807051/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The recent proposal by Hawking and Turok for obtaining an open inflationary universe from singular instantons makes use of low-energy effective Lagrangians describing gravity coupled to scalars and non-propagating antisymmetric tensors. In this paper we derive some exact results for Lagrangians of this type, obtained from spherical compactifications of M-theory and string theory. In the case of the S^7 compactification of M-theory, we give a detailed discussion of the cosmological solutions. We also show that the lower-dimensional Lagrangians admit domain-wall solutions, which preserve one hal","authors_text":"C.N. Pope, H. Lu, K.S. Stelle, M. Bremer, M.J. Duff","cross_cats":["gr-qc"],"headline":"","license":"","primary_cat":"hep-th","submitted_at":"1998-07-08T09:18:10Z","title":"Instanton Cosmology and Domain Walls from M-theory and String Theory"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-th/9807051","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":"sha256:3317fb9ebb8c9ef361ea8fd4f7e10115eae039cf6865042a33c9ee24515c3b98","target":"record","created_at":"2026-07-04T15:53:54Z","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":"268c5428afdd52868580ce4c0b9e9935e17c20eef3d7cd3b9ce53e7bba9df7e5","cross_cats_sorted":["gr-qc"],"license":"","primary_cat":"hep-th","submitted_at":"1998-07-08T09:18:10Z","title_canon_sha256":"4016ef98006429c7fa5b113cf2d859b8cc40eaaed8f28d20a1a09eb09b88f714"},"schema_version":"1.0","source":{"id":"hep-th/9807051","kind":"arxiv","version":2}},"canonical_sha256":"2b4585cf3d0bbf674e91e811695a8eb2133119585e3ebd7453316ff9039c7090","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2b4585cf3d0bbf674e91e811695a8eb2133119585e3ebd7453316ff9039c7090","first_computed_at":"2026-07-04T15:53:54.065024Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T15:53:54.065024Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"RhIQdqiJZzUFEl01RrqkL/haD56SIi4jowyNS5ClqySLHxG8/Ag3GnIfb2VdZc+OSjkYyciz4QA97yxZSZKTBg==","signature_status":"signed_v1","signed_at":"2026-07-04T15:53:54.065424Z","signed_message":"canonical_sha256_bytes"},"source_id":"hep-th/9807051","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:3317fb9ebb8c9ef361ea8fd4f7e10115eae039cf6865042a33c9ee24515c3b98","sha256:c53f4e79408c803a9588a03573b855265bcb0a559eafc7e696dfd22a494f3b2e"],"state_sha256":"385007c8e09e6c8b5c4f4ae61ebdfa4f8e999cb816954654d27144f0d579dc1b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"z2zEcPuTBWwRf9XEIo4hgWRmhpvv/pER0XqjIjleSziELiJJqgou5JUSRBZkd0pJ9xrPXoul+QjN6dYoi7RFDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-05T08:02:53.766640Z","bundle_sha256":"10dd1e2424933d958fd6ac436afd39ceed62caa0c6e381dff6bb44a357297f01"}}