{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:MAJHRABGRNSORUCQZE7G4SGOBM","short_pith_number":"pith:MAJHRABG","canonical_record":{"source":{"id":"1301.3098","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2013-01-14T19:18:26Z","cross_cats_sorted":["hep-th"],"title_canon_sha256":"83e2a19f405166275a964eddaae15b94da91e61b277761bac3a7230c3dc1caf9","abstract_canon_sha256":"1fca4a0721effa32a0e8a1f8c561eee293b167e119d122bbd2a5b52b4bbccff2"},"schema_version":"1.0"},"canonical_sha256":"60127880268b64e8d050c93e6e48ce0b122bc6347393a89a8f1cdcc9268fd689","source":{"kind":"arxiv","id":"1301.3098","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1301.3098","created_at":"2026-05-18T01:52:12Z"},{"alias_kind":"arxiv_version","alias_value":"1301.3098v2","created_at":"2026-05-18T01:52:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1301.3098","created_at":"2026-05-18T01:52:12Z"},{"alias_kind":"pith_short_12","alias_value":"MAJHRABGRNSO","created_at":"2026-05-18T12:27:51Z"},{"alias_kind":"pith_short_16","alias_value":"MAJHRABGRNSORUCQ","created_at":"2026-05-18T12:27:51Z"},{"alias_kind":"pith_short_8","alias_value":"MAJHRABG","created_at":"2026-05-18T12:27:51Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:MAJHRABGRNSORUCQZE7G4SGOBM","target":"record","payload":{"canonical_record":{"source":{"id":"1301.3098","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2013-01-14T19:18:26Z","cross_cats_sorted":["hep-th"],"title_canon_sha256":"83e2a19f405166275a964eddaae15b94da91e61b277761bac3a7230c3dc1caf9","abstract_canon_sha256":"1fca4a0721effa32a0e8a1f8c561eee293b167e119d122bbd2a5b52b4bbccff2"},"schema_version":"1.0"},"canonical_sha256":"60127880268b64e8d050c93e6e48ce0b122bc6347393a89a8f1cdcc9268fd689","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:52:12.503020Z","signature_b64":"9U+j1SyI94aZFDouCOa07gR6SkbbcCTY0oyKzZNVgV0xSVFCSYeOO0YMVV3419vwS4JMzL6gkkzEG+W7S5A5CQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"60127880268b64e8d050c93e6e48ce0b122bc6347393a89a8f1cdcc9268fd689","last_reissued_at":"2026-05-18T01:52:12.502520Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:52:12.502520Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1301.3098","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":"2026-05-18T01:52:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"bQqx+TuXHIf33sX8lZwyWb35L7oLfAdhJcGHik1ZJkuLT+xqLoqLzvNRrK717CEMVPUhYYRSkFuzlTbTL6KqCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T21:26:41.613014Z"},"content_sha256":"25bb97e2654e53536ecf8f8c4d43aac823634e5f1c55b747b230eaca340a47c7","schema_version":"1.0","event_id":"sha256:25bb97e2654e53536ecf8f8c4d43aac823634e5f1c55b747b230eaca340a47c7"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:MAJHRABGRNSORUCQZE7G4SGOBM","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Nonlinear multidimensional gravity and the Australian dipole","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-th"],"primary_cat":"gr-qc","authors_text":"I.V. Svadkovsky, K.A. Bronnikov, S.G. Rubin, V.N. Melnikov","submitted_at":"2013-01-14T19:18:26Z","abstract_excerpt":"The existing observational data on possible variations of fundamental physical constants (FPC) confirm more or less confidently only a variability of the fine structure constant $\\alpha$ in space and time. A model construction method is described, where variations of $\\alpha$ and other FPCs (including the gravitational constant $G$) follow from the dynamics of extra space-time dimensions in the framework of curvature-nonlinear multidimensional theories of gravity. An advantage of this method is a unified approach to variations of different FPCs. A particular model explaining the observable var"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1301.3098","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":""},"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":"2026-05-18T01:52:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"UFKWyKds6ZwlMurtFlmV4bDNzSJJCiQ+fh6NrqZDSQWfXqnbjSM3MTrxPdmxnUEOP20oMtOGAB6o8G88DfejDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T21:26:41.613736Z"},"content_sha256":"7d9f1e4dd2baee632a9a079900aba8264e9f5d4b38a82eddd52e9b8e797f0638","schema_version":"1.0","event_id":"sha256:7d9f1e4dd2baee632a9a079900aba8264e9f5d4b38a82eddd52e9b8e797f0638"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/MAJHRABGRNSORUCQZE7G4SGOBM/bundle.json","state_url":"https://pith.science/pith/MAJHRABGRNSORUCQZE7G4SGOBM/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/MAJHRABGRNSORUCQZE7G4SGOBM/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":"2026-05-28T21:26:41Z","links":{"resolver":"https://pith.science/pith/MAJHRABGRNSORUCQZE7G4SGOBM","bundle":"https://pith.science/pith/MAJHRABGRNSORUCQZE7G4SGOBM/bundle.json","state":"https://pith.science/pith/MAJHRABGRNSORUCQZE7G4SGOBM/state.json","well_known_bundle":"https://pith.science/.well-known/pith/MAJHRABGRNSORUCQZE7G4SGOBM/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:MAJHRABGRNSORUCQZE7G4SGOBM","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":"1fca4a0721effa32a0e8a1f8c561eee293b167e119d122bbd2a5b52b4bbccff2","cross_cats_sorted":["hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2013-01-14T19:18:26Z","title_canon_sha256":"83e2a19f405166275a964eddaae15b94da91e61b277761bac3a7230c3dc1caf9"},"schema_version":"1.0","source":{"id":"1301.3098","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1301.3098","created_at":"2026-05-18T01:52:12Z"},{"alias_kind":"arxiv_version","alias_value":"1301.3098v2","created_at":"2026-05-18T01:52:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1301.3098","created_at":"2026-05-18T01:52:12Z"},{"alias_kind":"pith_short_12","alias_value":"MAJHRABGRNSO","created_at":"2026-05-18T12:27:51Z"},{"alias_kind":"pith_short_16","alias_value":"MAJHRABGRNSORUCQ","created_at":"2026-05-18T12:27:51Z"},{"alias_kind":"pith_short_8","alias_value":"MAJHRABG","created_at":"2026-05-18T12:27:51Z"}],"graph_snapshots":[{"event_id":"sha256:7d9f1e4dd2baee632a9a079900aba8264e9f5d4b38a82eddd52e9b8e797f0638","target":"graph","created_at":"2026-05-18T01:52:12Z","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":"The existing observational data on possible variations of fundamental physical constants (FPC) confirm more or less confidently only a variability of the fine structure constant $\\alpha$ in space and time. A model construction method is described, where variations of $\\alpha$ and other FPCs (including the gravitational constant $G$) follow from the dynamics of extra space-time dimensions in the framework of curvature-nonlinear multidimensional theories of gravity. An advantage of this method is a unified approach to variations of different FPCs. A particular model explaining the observable var","authors_text":"I.V. Svadkovsky, K.A. Bronnikov, S.G. Rubin, V.N. Melnikov","cross_cats":["hep-th"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2013-01-14T19:18:26Z","title":"Nonlinear multidimensional gravity and the Australian dipole"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1301.3098","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":"sha256:25bb97e2654e53536ecf8f8c4d43aac823634e5f1c55b747b230eaca340a47c7","target":"record","created_at":"2026-05-18T01:52:12Z","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":"1fca4a0721effa32a0e8a1f8c561eee293b167e119d122bbd2a5b52b4bbccff2","cross_cats_sorted":["hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2013-01-14T19:18:26Z","title_canon_sha256":"83e2a19f405166275a964eddaae15b94da91e61b277761bac3a7230c3dc1caf9"},"schema_version":"1.0","source":{"id":"1301.3098","kind":"arxiv","version":2}},"canonical_sha256":"60127880268b64e8d050c93e6e48ce0b122bc6347393a89a8f1cdcc9268fd689","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"60127880268b64e8d050c93e6e48ce0b122bc6347393a89a8f1cdcc9268fd689","first_computed_at":"2026-05-18T01:52:12.502520Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:52:12.502520Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"9U+j1SyI94aZFDouCOa07gR6SkbbcCTY0oyKzZNVgV0xSVFCSYeOO0YMVV3419vwS4JMzL6gkkzEG+W7S5A5CQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:52:12.503020Z","signed_message":"canonical_sha256_bytes"},"source_id":"1301.3098","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:25bb97e2654e53536ecf8f8c4d43aac823634e5f1c55b747b230eaca340a47c7","sha256:7d9f1e4dd2baee632a9a079900aba8264e9f5d4b38a82eddd52e9b8e797f0638"],"state_sha256":"cb5fe6fa035d6b88bfcc5de24a9525de4933dd2b63647a26c872a6db8a74c005"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"uLli2Y4Wf4I+KDI5chFgfbiKJRTQddjwFOiyS1cTz40M1g/opL1fPYyFiNWWr2wxiv9wH/vyXY9SWymEtHuFAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T21:26:41.617752Z","bundle_sha256":"7cb77dd9d5c67f5289d1da693ec9173ec52640029ff86e8ec4b983466bd5d465"}}