{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:BE5ELR6XHRES5HY5I4BKFHXVLC","short_pith_number":"pith:BE5ELR6X","canonical_record":{"source":{"id":"1502.06677","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2015-02-24T02:44:40Z","cross_cats_sorted":[],"title_canon_sha256":"13cea2fee9b920bac629ad3790d439698639cec4238beb9aeecac0c01dfe4a65","abstract_canon_sha256":"d681b79a8acf0d4652173157bca0a75918204080c4cad5a45ede9372165d879c"},"schema_version":"1.0"},"canonical_sha256":"093a45c7d73c492e9f1d4702a29ef558b3dbf113bf7a41ab4c5dd230b7a87e63","source":{"kind":"arxiv","id":"1502.06677","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1502.06677","created_at":"2026-05-18T02:26:29Z"},{"alias_kind":"arxiv_version","alias_value":"1502.06677v1","created_at":"2026-05-18T02:26:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1502.06677","created_at":"2026-05-18T02:26:29Z"},{"alias_kind":"pith_short_12","alias_value":"BE5ELR6XHRES","created_at":"2026-05-18T12:29:14Z"},{"alias_kind":"pith_short_16","alias_value":"BE5ELR6XHRES5HY5","created_at":"2026-05-18T12:29:14Z"},{"alias_kind":"pith_short_8","alias_value":"BE5ELR6X","created_at":"2026-05-18T12:29:14Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:BE5ELR6XHRES5HY5I4BKFHXVLC","target":"record","payload":{"canonical_record":{"source":{"id":"1502.06677","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2015-02-24T02:44:40Z","cross_cats_sorted":[],"title_canon_sha256":"13cea2fee9b920bac629ad3790d439698639cec4238beb9aeecac0c01dfe4a65","abstract_canon_sha256":"d681b79a8acf0d4652173157bca0a75918204080c4cad5a45ede9372165d879c"},"schema_version":"1.0"},"canonical_sha256":"093a45c7d73c492e9f1d4702a29ef558b3dbf113bf7a41ab4c5dd230b7a87e63","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:26:29.446852Z","signature_b64":"56ykawD0LXdevNoqHiHFQz6Htqyv3x7FLZhpdDfsBvr78ijhGoc4QezYKiXAsjE5Vt/Gx4zyQ/X2rpsGKPbQBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"093a45c7d73c492e9f1d4702a29ef558b3dbf113bf7a41ab4c5dd230b7a87e63","last_reissued_at":"2026-05-18T02:26:29.446360Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:26:29.446360Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1502.06677","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":"2026-05-18T02:26:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5m4naiJyhpVRGt+191hkP1DGpixe+Rtlo0cBl+3b5ulVA4UsHPq8xZadet3/hvnd9FhxJ4wtCXoPqcHGsCusBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T17:46:28.597385Z"},"content_sha256":"8b14e4ff34a5501a167c52baaebe520eae703c6d6b2fcfa9b1ea3f9bdb63e7e1","schema_version":"1.0","event_id":"sha256:8b14e4ff34a5501a167c52baaebe520eae703c6d6b2fcfa9b1ea3f9bdb63e7e1"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:BE5ELR6XHRES5HY5I4BKFHXVLC","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Double Compactification","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"gr-qc","authors_text":"Atsushi Nakamula, Kiyoshi Shiraishi","submitted_at":"2015-02-24T02:44:40Z","abstract_excerpt":"A cosmological scenario according to which our universe experienced space-time compactifications twice in its early development is investigated through toy models. In this scenario gauge configurations on an extra space play essential roles to bring about a change of the dimensionality of the compactified space. Simple models are offered and their behaviour at finite temperature is examined. A possibility of causing inflation and problems on our scenario is argued briefly."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1502.06677","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":"2026-05-18T02:26:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Yks0cqs9iF5YUrMQ6cpUFGNB5W7bhNWz9C2rRvsJeQMmj/ODHyotWbctXHdNE5lg15jABzPY0TAYY3K6ktxvDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T17:46:28.598105Z"},"content_sha256":"64ef0ed31bbc4db6c522f6ffa4164380c208ed4c6335cc4b32d46b3c64279495","schema_version":"1.0","event_id":"sha256:64ef0ed31bbc4db6c522f6ffa4164380c208ed4c6335cc4b32d46b3c64279495"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/BE5ELR6XHRES5HY5I4BKFHXVLC/bundle.json","state_url":"https://pith.science/pith/BE5ELR6XHRES5HY5I4BKFHXVLC/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/BE5ELR6XHRES5HY5I4BKFHXVLC/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":"2026-05-28T17:46:28Z","links":{"resolver":"https://pith.science/pith/BE5ELR6XHRES5HY5I4BKFHXVLC","bundle":"https://pith.science/pith/BE5ELR6XHRES5HY5I4BKFHXVLC/bundle.json","state":"https://pith.science/pith/BE5ELR6XHRES5HY5I4BKFHXVLC/state.json","well_known_bundle":"https://pith.science/.well-known/pith/BE5ELR6XHRES5HY5I4BKFHXVLC/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:BE5ELR6XHRES5HY5I4BKFHXVLC","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":"d681b79a8acf0d4652173157bca0a75918204080c4cad5a45ede9372165d879c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2015-02-24T02:44:40Z","title_canon_sha256":"13cea2fee9b920bac629ad3790d439698639cec4238beb9aeecac0c01dfe4a65"},"schema_version":"1.0","source":{"id":"1502.06677","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1502.06677","created_at":"2026-05-18T02:26:29Z"},{"alias_kind":"arxiv_version","alias_value":"1502.06677v1","created_at":"2026-05-18T02:26:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1502.06677","created_at":"2026-05-18T02:26:29Z"},{"alias_kind":"pith_short_12","alias_value":"BE5ELR6XHRES","created_at":"2026-05-18T12:29:14Z"},{"alias_kind":"pith_short_16","alias_value":"BE5ELR6XHRES5HY5","created_at":"2026-05-18T12:29:14Z"},{"alias_kind":"pith_short_8","alias_value":"BE5ELR6X","created_at":"2026-05-18T12:29:14Z"}],"graph_snapshots":[{"event_id":"sha256:64ef0ed31bbc4db6c522f6ffa4164380c208ed4c6335cc4b32d46b3c64279495","target":"graph","created_at":"2026-05-18T02:26:29Z","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":"A cosmological scenario according to which our universe experienced space-time compactifications twice in its early development is investigated through toy models. In this scenario gauge configurations on an extra space play essential roles to bring about a change of the dimensionality of the compactified space. Simple models are offered and their behaviour at finite temperature is examined. A possibility of causing inflation and problems on our scenario is argued briefly.","authors_text":"Atsushi Nakamula, Kiyoshi Shiraishi","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2015-02-24T02:44:40Z","title":"Double Compactification"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1502.06677","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":"sha256:8b14e4ff34a5501a167c52baaebe520eae703c6d6b2fcfa9b1ea3f9bdb63e7e1","target":"record","created_at":"2026-05-18T02:26:29Z","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":"d681b79a8acf0d4652173157bca0a75918204080c4cad5a45ede9372165d879c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2015-02-24T02:44:40Z","title_canon_sha256":"13cea2fee9b920bac629ad3790d439698639cec4238beb9aeecac0c01dfe4a65"},"schema_version":"1.0","source":{"id":"1502.06677","kind":"arxiv","version":1}},"canonical_sha256":"093a45c7d73c492e9f1d4702a29ef558b3dbf113bf7a41ab4c5dd230b7a87e63","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"093a45c7d73c492e9f1d4702a29ef558b3dbf113bf7a41ab4c5dd230b7a87e63","first_computed_at":"2026-05-18T02:26:29.446360Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:26:29.446360Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"56ykawD0LXdevNoqHiHFQz6Htqyv3x7FLZhpdDfsBvr78ijhGoc4QezYKiXAsjE5Vt/Gx4zyQ/X2rpsGKPbQBA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:26:29.446852Z","signed_message":"canonical_sha256_bytes"},"source_id":"1502.06677","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8b14e4ff34a5501a167c52baaebe520eae703c6d6b2fcfa9b1ea3f9bdb63e7e1","sha256:64ef0ed31bbc4db6c522f6ffa4164380c208ed4c6335cc4b32d46b3c64279495"],"state_sha256":"22eb50add01c0356b92138a9fcb544e2708dec2fda8702fed7b6cff0b3a73517"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PwzJB9872Y2wl512HP77Yi6B/N+2UDkOBHq2BWQe9qFsTWDgK1KCNnfBz1JmtznK+cnrFIJEvAiF7iIeVh4QBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T17:46:28.601865Z","bundle_sha256":"bbd7a75cfb498adb0b59ae9f8400f21efa35192193713d63d703373ba8372549"}}