{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2000:PGMQCFVH5LXLX4QRMFKCWDROB4","short_pith_number":"pith:PGMQCFVH","canonical_record":{"source":{"id":"gr-qc/0009087","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"gr-qc","submitted_at":"2000-09-26T21:24:21Z","cross_cats_sorted":["hep-ph","hep-th","physics.hist-ph"],"title_canon_sha256":"cca13122080c321daf60f5a9e3751ba5a73f31386ab1fc188085d6c2ee6e543f","abstract_canon_sha256":"fcc154062f0f0de512fc0e50a62b6e3723f28e48f1bbc5c2664a158702737f5f"},"schema_version":"1.0"},"canonical_sha256":"79990116a7eaeebbf21161542b0e2e0f10d3f6a6f31c50d0f638245b781db055","source":{"kind":"arxiv","id":"gr-qc/0009087","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"gr-qc/0009087","created_at":"2026-07-04T15:29:19Z"},{"alias_kind":"arxiv_version","alias_value":"gr-qc/0009087v1","created_at":"2026-07-04T15:29:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.gr-qc/0009087","created_at":"2026-07-04T15:29:19Z"},{"alias_kind":"pith_short_12","alias_value":"PGMQCFVH5LXL","created_at":"2026-07-04T15:29:19Z"},{"alias_kind":"pith_short_16","alias_value":"PGMQCFVH5LXLX4QR","created_at":"2026-07-04T15:29:19Z"},{"alias_kind":"pith_short_8","alias_value":"PGMQCFVH","created_at":"2026-07-04T15:29:19Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2000:PGMQCFVH5LXLX4QRMFKCWDROB4","target":"record","payload":{"canonical_record":{"source":{"id":"gr-qc/0009087","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"gr-qc","submitted_at":"2000-09-26T21:24:21Z","cross_cats_sorted":["hep-ph","hep-th","physics.hist-ph"],"title_canon_sha256":"cca13122080c321daf60f5a9e3751ba5a73f31386ab1fc188085d6c2ee6e543f","abstract_canon_sha256":"fcc154062f0f0de512fc0e50a62b6e3723f28e48f1bbc5c2664a158702737f5f"},"schema_version":"1.0"},"canonical_sha256":"79990116a7eaeebbf21161542b0e2e0f10d3f6a6f31c50d0f638245b781db055","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T15:29:19.709790Z","signature_b64":"U0onVOxr+nJNpPYtDb5iPFA+qrxpZemauDugwcJHyTjv2TdaPNUHv5mzWTE007k6VuZJmyJg8CePSpU4uYu3Bg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"79990116a7eaeebbf21161542b0e2e0f10d3f6a6f31c50d0f638245b781db055","last_reissued_at":"2026-07-04T15:29:19.709341Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T15:29:19.709341Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"gr-qc/0009087","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":"2026-07-04T15:29:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"b4IS+ACaCKwuaklY4CCrIjLl0Uo/2Uuto6V5VL5ZKR7bQ2eWkLn313+O7Ihs/Ml2erPwEtNdiPQh9wNCnlwrAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T04:03:29.698868Z"},"content_sha256":"120cb373683b8c962234679aebedc31734124a510f0ffb951c3f30b098f990be","schema_version":"1.0","event_id":"sha256:120cb373683b8c962234679aebedc31734124a510f0ffb951c3f30b098f990be"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2000:PGMQCFVH5LXLX4QRMFKCWDROB4","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Einstein and the Kaluza-Klein particle","license":"","headline":"","cross_cats":["hep-ph","hep-th","physics.hist-ph"],"primary_cat":"gr-qc","authors_text":"Jeroen van Dongen","submitted_at":"2000-09-26T21:24:21Z","abstract_excerpt":"In his search for a unified field theory that could undercut quantum mechanics, Einstein considered five dimensional classical Kaluza-Klein theory. He studied this theory most intensively during the years 1938-1943. One of his primary objectives was finding a non-singular particle solution. In the full theory this search got frustrated and in the x^5-independent theory Einstein, together with Pauli, argued it would be impossible to find these structures."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"gr-qc/0009087","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/gr-qc/0009087/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":"2026-07-04T15:29:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"NDS8hSLmiPLsZly8+5dWw+DMTxUEfzjdB/jn6sX0Lw1018B8nyiP1crBqXg5XHg/G2cxYDwtpneim2iqFMHzDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T04:03:29.699325Z"},"content_sha256":"8ed830225dca07ae073449ca04577dfc13ce2a336fee8c701d3851926758f747","schema_version":"1.0","event_id":"sha256:8ed830225dca07ae073449ca04577dfc13ce2a336fee8c701d3851926758f747"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/PGMQCFVH5LXLX4QRMFKCWDROB4/bundle.json","state_url":"https://pith.science/pith/PGMQCFVH5LXLX4QRMFKCWDROB4/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/PGMQCFVH5LXLX4QRMFKCWDROB4/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":"2026-08-06T04:03:29Z","links":{"resolver":"https://pith.science/pith/PGMQCFVH5LXLX4QRMFKCWDROB4","bundle":"https://pith.science/pith/PGMQCFVH5LXLX4QRMFKCWDROB4/bundle.json","state":"https://pith.science/pith/PGMQCFVH5LXLX4QRMFKCWDROB4/state.json","well_known_bundle":"https://pith.science/.well-known/pith/PGMQCFVH5LXLX4QRMFKCWDROB4/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2000:PGMQCFVH5LXLX4QRMFKCWDROB4","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":"fcc154062f0f0de512fc0e50a62b6e3723f28e48f1bbc5c2664a158702737f5f","cross_cats_sorted":["hep-ph","hep-th","physics.hist-ph"],"license":"","primary_cat":"gr-qc","submitted_at":"2000-09-26T21:24:21Z","title_canon_sha256":"cca13122080c321daf60f5a9e3751ba5a73f31386ab1fc188085d6c2ee6e543f"},"schema_version":"1.0","source":{"id":"gr-qc/0009087","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"gr-qc/0009087","created_at":"2026-07-04T15:29:19Z"},{"alias_kind":"arxiv_version","alias_value":"gr-qc/0009087v1","created_at":"2026-07-04T15:29:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.gr-qc/0009087","created_at":"2026-07-04T15:29:19Z"},{"alias_kind":"pith_short_12","alias_value":"PGMQCFVH5LXL","created_at":"2026-07-04T15:29:19Z"},{"alias_kind":"pith_short_16","alias_value":"PGMQCFVH5LXLX4QR","created_at":"2026-07-04T15:29:19Z"},{"alias_kind":"pith_short_8","alias_value":"PGMQCFVH","created_at":"2026-07-04T15:29:19Z"}],"graph_snapshots":[{"event_id":"sha256:8ed830225dca07ae073449ca04577dfc13ce2a336fee8c701d3851926758f747","target":"graph","created_at":"2026-07-04T15:29:19Z","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/gr-qc/0009087/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"In his search for a unified field theory that could undercut quantum mechanics, Einstein considered five dimensional classical Kaluza-Klein theory. He studied this theory most intensively during the years 1938-1943. One of his primary objectives was finding a non-singular particle solution. In the full theory this search got frustrated and in the x^5-independent theory Einstein, together with Pauli, argued it would be impossible to find these structures.","authors_text":"Jeroen van Dongen","cross_cats":["hep-ph","hep-th","physics.hist-ph"],"headline":"","license":"","primary_cat":"gr-qc","submitted_at":"2000-09-26T21:24:21Z","title":"Einstein and the Kaluza-Klein particle"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"gr-qc/0009087","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":"sha256:120cb373683b8c962234679aebedc31734124a510f0ffb951c3f30b098f990be","target":"record","created_at":"2026-07-04T15:29:19Z","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":"fcc154062f0f0de512fc0e50a62b6e3723f28e48f1bbc5c2664a158702737f5f","cross_cats_sorted":["hep-ph","hep-th","physics.hist-ph"],"license":"","primary_cat":"gr-qc","submitted_at":"2000-09-26T21:24:21Z","title_canon_sha256":"cca13122080c321daf60f5a9e3751ba5a73f31386ab1fc188085d6c2ee6e543f"},"schema_version":"1.0","source":{"id":"gr-qc/0009087","kind":"arxiv","version":1}},"canonical_sha256":"79990116a7eaeebbf21161542b0e2e0f10d3f6a6f31c50d0f638245b781db055","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"79990116a7eaeebbf21161542b0e2e0f10d3f6a6f31c50d0f638245b781db055","first_computed_at":"2026-07-04T15:29:19.709341Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T15:29:19.709341Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"U0onVOxr+nJNpPYtDb5iPFA+qrxpZemauDugwcJHyTjv2TdaPNUHv5mzWTE007k6VuZJmyJg8CePSpU4uYu3Bg==","signature_status":"signed_v1","signed_at":"2026-07-04T15:29:19.709790Z","signed_message":"canonical_sha256_bytes"},"source_id":"gr-qc/0009087","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:120cb373683b8c962234679aebedc31734124a510f0ffb951c3f30b098f990be","sha256:8ed830225dca07ae073449ca04577dfc13ce2a336fee8c701d3851926758f747"],"state_sha256":"6cbf1e0b54de854f61b2ff2fbfd5365878e6871621c70903ecd640ee4e6da2fc"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5sY5I8kbhP7gljXT5wQu7KGHAxCGqiIZ2exvfqiYjv5iz1f0DidD1CEudm5Ty7DjHjwuUfQPRXU2Fpvu1iyYAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-06T04:03:29.702793Z","bundle_sha256":"77f5ca35e55e74be5a402ee90247ebbcbe375801bee21fe392bd5d807fe03e74"}}