{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:IBGW5MWVBHEKROM2PQCWOSICRK","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":"3386acc7a2b5a468f6bbe4b6b1b5122f1f18ba362bc7a87a50182e16ee40329e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.gen-ph","submitted_at":"2010-12-23T17:54:52Z","title_canon_sha256":"7779d6aafa95b20f742733afaf0168562da2cdf40927424df3758b411cc9c3d7"},"schema_version":"1.0","source":{"id":"1012.5264","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1012.5264","created_at":"2026-05-18T04:30:05Z"},{"alias_kind":"arxiv_version","alias_value":"1012.5264v1","created_at":"2026-05-18T04:30:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1012.5264","created_at":"2026-05-18T04:30:05Z"},{"alias_kind":"pith_short_12","alias_value":"IBGW5MWVBHEK","created_at":"2026-05-18T12:26:09Z"},{"alias_kind":"pith_short_16","alias_value":"IBGW5MWVBHEKROM2","created_at":"2026-05-18T12:26:09Z"},{"alias_kind":"pith_short_8","alias_value":"IBGW5MWV","created_at":"2026-05-18T12:26:09Z"}],"graph_snapshots":[{"event_id":"sha256:5e189701cc087460e3e94ecb486dccf3de66038e4d15e9486ef2ee99c162e7b4","target":"graph","created_at":"2026-05-18T04:30:05Z","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 theme that has come to the fore in advanced planning for long-range space exploration is the concept of \"propellantless propulsion\" or \"field propulsion.\" One version of this concept involves the projected possibility that empty space itself (the quantum vacuum, or space-time metric) might be manipulated so as to provide energy/thrust for future space vehicles. Although such a proposal has a certain science-fiction quality about it, modern theory describes the vacuum as a polarizable medium that sustains energetic quantum fluctuations. Thus the possibility that matter/vacuum interactions mig","authors_text":"H. E. Puthoff, S. R. Little","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.gen-ph","submitted_at":"2010-12-23T17:54:52Z","title":"Engineering the Zero-Point Field and Polarizable Vacuum For Interstellar Flight"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1012.5264","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:a023547fc3d9aaa69adf804df5559e27a910a41e449b7840c6a87eddbb564806","target":"record","created_at":"2026-05-18T04:30:05Z","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":"3386acc7a2b5a468f6bbe4b6b1b5122f1f18ba362bc7a87a50182e16ee40329e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.gen-ph","submitted_at":"2010-12-23T17:54:52Z","title_canon_sha256":"7779d6aafa95b20f742733afaf0168562da2cdf40927424df3758b411cc9c3d7"},"schema_version":"1.0","source":{"id":"1012.5264","kind":"arxiv","version":1}},"canonical_sha256":"404d6eb2d509c8a8b99a7c056749028a916c68a16d8b53c86a5c67978bdcf9dc","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"404d6eb2d509c8a8b99a7c056749028a916c68a16d8b53c86a5c67978bdcf9dc","first_computed_at":"2026-05-18T04:30:05.146548Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:30:05.146548Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"nOPa0Jq5SxoDinaQE56gwOXMoEZW3nh4eoTTTAS6WLtG3tYeOQiYjkKTuAxxvDoROGONegi6jNrJ+A0zeJ9CCg==","signature_status":"signed_v1","signed_at":"2026-05-18T04:30:05.146962Z","signed_message":"canonical_sha256_bytes"},"source_id":"1012.5264","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a023547fc3d9aaa69adf804df5559e27a910a41e449b7840c6a87eddbb564806","sha256:5e189701cc087460e3e94ecb486dccf3de66038e4d15e9486ef2ee99c162e7b4"],"state_sha256":"182463e8f52d63c37a1e40fb42737f6ee556a074f221beff3f67cd91f36ee79c"}