{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:JWOYP2M4QTTGIYQ4L4RJOU3G77","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":"6e288ebb561456ec89ae0b6a17a546e03d69e0500674ee1e5099cc51abfed5ac","cross_cats_sorted":["physics.space-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.app-ph","submitted_at":"2024-12-23T00:25:52Z","title_canon_sha256":"6ff2b12c43502fd6a5d93a416d302ec14772bb95308f1628826004fc361876a4"},"schema_version":"1.0","source":{"id":"2412.17198","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2412.17198","created_at":"2026-07-05T09:53:18Z"},{"alias_kind":"arxiv_version","alias_value":"2412.17198v1","created_at":"2026-07-05T09:53:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2412.17198","created_at":"2026-07-05T09:53:18Z"},{"alias_kind":"pith_short_12","alias_value":"JWOYP2M4QTTG","created_at":"2026-07-05T09:53:18Z"},{"alias_kind":"pith_short_16","alias_value":"JWOYP2M4QTTGIYQ4","created_at":"2026-07-05T09:53:18Z"},{"alias_kind":"pith_short_8","alias_value":"JWOYP2M4","created_at":"2026-07-05T09:53:18Z"}],"graph_snapshots":[{"event_id":"sha256:e340a9f05fd27d450f304d0e31c2d7ad194d200331c0789f7c5498c1ff5dcd2a","target":"graph","created_at":"2026-07-05T09:53:18Z","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/2412.17198/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"An exponential space elevator is a space elevator with a tether cross-section that varies exponentially with altitude. With such an elevator it is possible to reel in tether material at one end of the elevator while reeling out at the other end, without changing the overall taper profile. I show how to use this property to build up or clone a space elevator much more efficiently than with standard climber-based methods.","authors_text":"Blaise Gassend","cross_cats":["physics.space-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.app-ph","submitted_at":"2024-12-23T00:25:52Z","title":"Exponential Tethers for Accelerated Space Elevator Deployment"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2412.17198","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":"sha256:6d5c2cda7fc396135dd10dc2c59e719f1ce51096b1503f349479c746560b8e38","target":"record","created_at":"2026-07-05T09:53:18Z","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":"6e288ebb561456ec89ae0b6a17a546e03d69e0500674ee1e5099cc51abfed5ac","cross_cats_sorted":["physics.space-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.app-ph","submitted_at":"2024-12-23T00:25:52Z","title_canon_sha256":"6ff2b12c43502fd6a5d93a416d302ec14772bb95308f1628826004fc361876a4"},"schema_version":"1.0","source":{"id":"2412.17198","kind":"arxiv","version":1}},"canonical_sha256":"4d9d87e99c84e664621c5f22975366fff3cc35cb527b557bb1e05178a7821579","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4d9d87e99c84e664621c5f22975366fff3cc35cb527b557bb1e05178a7821579","first_computed_at":"2026-07-05T09:53:18.833650Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T09:53:18.833650Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"bILVBWtV/XF+HUIQ0n/VYKx59ssafuE7Guuj5dla+E47ZAcmf0R21SzsYWzQj18gc70FRioOdI29NFnmOx7tAg==","signature_status":"signed_v1","signed_at":"2026-07-05T09:53:18.834086Z","signed_message":"canonical_sha256_bytes"},"source_id":"2412.17198","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6d5c2cda7fc396135dd10dc2c59e719f1ce51096b1503f349479c746560b8e38","sha256:e340a9f05fd27d450f304d0e31c2d7ad194d200331c0789f7c5498c1ff5dcd2a"],"state_sha256":"f50e451d222ce258b3d8368ea130df55f32ab3b9f6e85b5aa40d1ab1d5fccd01"}