{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:X3SM7DX7SFWJRWNKZRBM3AO3SB","short_pith_number":"pith:X3SM7DX7","canonical_record":{"source":{"id":"2508.12443","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SY","submitted_at":"2025-08-17T17:30:08Z","cross_cats_sorted":["cs.SY"],"title_canon_sha256":"b21d5ae527a099e0cdf6b585f9d5af501f9dfc825ab174a7f3f7259c45c794dc","abstract_canon_sha256":"a9688bba91f133a1d2f23f31d672adf0aeba9fa894380d1c4d5286f57ec414fb"},"schema_version":"1.0"},"canonical_sha256":"bee4cf8eff916c98d9aacc42cd81db9054bec99e264d62161580f6bdadd9fa16","source":{"kind":"arxiv","id":"2508.12443","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2508.12443","created_at":"2026-07-05T11:55:05Z"},{"alias_kind":"arxiv_version","alias_value":"2508.12443v1","created_at":"2026-07-05T11:55:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2508.12443","created_at":"2026-07-05T11:55:05Z"},{"alias_kind":"pith_short_12","alias_value":"X3SM7DX7SFWJ","created_at":"2026-07-05T11:55:05Z"},{"alias_kind":"pith_short_16","alias_value":"X3SM7DX7SFWJRWNK","created_at":"2026-07-05T11:55:05Z"},{"alias_kind":"pith_short_8","alias_value":"X3SM7DX7","created_at":"2026-07-05T11:55:05Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:X3SM7DX7SFWJRWNKZRBM3AO3SB","target":"record","payload":{"canonical_record":{"source":{"id":"2508.12443","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SY","submitted_at":"2025-08-17T17:30:08Z","cross_cats_sorted":["cs.SY"],"title_canon_sha256":"b21d5ae527a099e0cdf6b585f9d5af501f9dfc825ab174a7f3f7259c45c794dc","abstract_canon_sha256":"a9688bba91f133a1d2f23f31d672adf0aeba9fa894380d1c4d5286f57ec414fb"},"schema_version":"1.0"},"canonical_sha256":"bee4cf8eff916c98d9aacc42cd81db9054bec99e264d62161580f6bdadd9fa16","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:55:05.781387Z","signature_b64":"Y/DKoOe3SFT/GIdPLbfiMvmUVlePrR+nCTutP1kSxOu/DYpQEhja41NCjsS8lUm+X3mSCCEuJhlnwEvENUb9CA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"bee4cf8eff916c98d9aacc42cd81db9054bec99e264d62161580f6bdadd9fa16","last_reissued_at":"2026-07-05T11:55:05.780976Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:55:05.780976Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2508.12443","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":"2026-07-05T11:55:05Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"JXe47W57doIOjAMcjtzRc7cwWuc67KIB6x42OkF3ltxzUX4oREJNdFCdYFI2gvxkhY5+pEM7yxe3ctcLFX96CQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-18T14:36:36.186251Z"},"content_sha256":"af7b8a7b7be7be5dd12284a00c694a6af466849c6ca4079bb4441487a7def512","schema_version":"1.0","event_id":"sha256:af7b8a7b7be7be5dd12284a00c694a6af466849c6ca4079bb4441487a7def512"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:X3SM7DX7SFWJRWNKZRBM3AO3SB","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Sspherical sailing omnidirectional rover (SSailOR): wind tunnel experimental setup and results","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.SY"],"primary_cat":"eess.SY","authors_text":"Aditya Varanwal, Andre P. Mazzoleni, Ashley Ortenburg, Chris Vermillion, Diego Ramirez-Gomez, George Carrion, Parin Shah","submitted_at":"2025-08-17T17:30:08Z","abstract_excerpt":"This paper presents the design, instrumentation, and experimental procedures used to test the Spherical Sailing Omnidirectional Rover (SSailOR) in a controlled wind tunnel environment. The SSailOR is a wind-powered autonomous rover. This concept is motivated by the growing need for persistent and sustainable robotic systems in applications such as planetary exploration, Arctic observation, and military surveillance. SSailOR uses wind propulsion via onboard sails to enable long-duration mobility with minimal energy consumption. The spherical design simplifies mechanical complexity while enablin"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2508.12443","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/2508.12443/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":"2026-07-05T11:55:05Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vsDBgSsLqxmsJHAKnInf7A9b4ClPoO6Z/vjCqWlEYqDfqrqtjsaLc4OdC/YPbEZpqI2Hb15KjqDe1MA+hQTuBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-18T14:36:36.186641Z"},"content_sha256":"3951e7ef7b0f57ab14f9c4410fb912caaae3de2f33900e75a2b2de4c4c9b5937","schema_version":"1.0","event_id":"sha256:3951e7ef7b0f57ab14f9c4410fb912caaae3de2f33900e75a2b2de4c4c9b5937"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/X3SM7DX7SFWJRWNKZRBM3AO3SB/bundle.json","state_url":"https://pith.science/pith/X3SM7DX7SFWJRWNKZRBM3AO3SB/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/X3SM7DX7SFWJRWNKZRBM3AO3SB/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":"2026-07-18T14:36:36Z","links":{"resolver":"https://pith.science/pith/X3SM7DX7SFWJRWNKZRBM3AO3SB","bundle":"https://pith.science/pith/X3SM7DX7SFWJRWNKZRBM3AO3SB/bundle.json","state":"https://pith.science/pith/X3SM7DX7SFWJRWNKZRBM3AO3SB/state.json","well_known_bundle":"https://pith.science/.well-known/pith/X3SM7DX7SFWJRWNKZRBM3AO3SB/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:X3SM7DX7SFWJRWNKZRBM3AO3SB","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":"a9688bba91f133a1d2f23f31d672adf0aeba9fa894380d1c4d5286f57ec414fb","cross_cats_sorted":["cs.SY"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SY","submitted_at":"2025-08-17T17:30:08Z","title_canon_sha256":"b21d5ae527a099e0cdf6b585f9d5af501f9dfc825ab174a7f3f7259c45c794dc"},"schema_version":"1.0","source":{"id":"2508.12443","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2508.12443","created_at":"2026-07-05T11:55:05Z"},{"alias_kind":"arxiv_version","alias_value":"2508.12443v1","created_at":"2026-07-05T11:55:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2508.12443","created_at":"2026-07-05T11:55:05Z"},{"alias_kind":"pith_short_12","alias_value":"X3SM7DX7SFWJ","created_at":"2026-07-05T11:55:05Z"},{"alias_kind":"pith_short_16","alias_value":"X3SM7DX7SFWJRWNK","created_at":"2026-07-05T11:55:05Z"},{"alias_kind":"pith_short_8","alias_value":"X3SM7DX7","created_at":"2026-07-05T11:55:05Z"}],"graph_snapshots":[{"event_id":"sha256:3951e7ef7b0f57ab14f9c4410fb912caaae3de2f33900e75a2b2de4c4c9b5937","target":"graph","created_at":"2026-07-05T11:55:05Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2508.12443/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"This paper presents the design, instrumentation, and experimental procedures used to test the Spherical Sailing Omnidirectional Rover (SSailOR) in a controlled wind tunnel environment. The SSailOR is a wind-powered autonomous rover. This concept is motivated by the growing need for persistent and sustainable robotic systems in applications such as planetary exploration, Arctic observation, and military surveillance. SSailOR uses wind propulsion via onboard sails to enable long-duration mobility with minimal energy consumption. The spherical design simplifies mechanical complexity while enablin","authors_text":"Aditya Varanwal, Andre P. Mazzoleni, Ashley Ortenburg, Chris Vermillion, Diego Ramirez-Gomez, George Carrion, Parin Shah","cross_cats":["cs.SY"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SY","submitted_at":"2025-08-17T17:30:08Z","title":"Sspherical sailing omnidirectional rover (SSailOR): wind tunnel experimental setup and results"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2508.12443","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:af7b8a7b7be7be5dd12284a00c694a6af466849c6ca4079bb4441487a7def512","target":"record","created_at":"2026-07-05T11:55:05Z","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":"a9688bba91f133a1d2f23f31d672adf0aeba9fa894380d1c4d5286f57ec414fb","cross_cats_sorted":["cs.SY"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SY","submitted_at":"2025-08-17T17:30:08Z","title_canon_sha256":"b21d5ae527a099e0cdf6b585f9d5af501f9dfc825ab174a7f3f7259c45c794dc"},"schema_version":"1.0","source":{"id":"2508.12443","kind":"arxiv","version":1}},"canonical_sha256":"bee4cf8eff916c98d9aacc42cd81db9054bec99e264d62161580f6bdadd9fa16","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"bee4cf8eff916c98d9aacc42cd81db9054bec99e264d62161580f6bdadd9fa16","first_computed_at":"2026-07-05T11:55:05.780976Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T11:55:05.780976Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Y/DKoOe3SFT/GIdPLbfiMvmUVlePrR+nCTutP1kSxOu/DYpQEhja41NCjsS8lUm+X3mSCCEuJhlnwEvENUb9CA==","signature_status":"signed_v1","signed_at":"2026-07-05T11:55:05.781387Z","signed_message":"canonical_sha256_bytes"},"source_id":"2508.12443","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:af7b8a7b7be7be5dd12284a00c694a6af466849c6ca4079bb4441487a7def512","sha256:3951e7ef7b0f57ab14f9c4410fb912caaae3de2f33900e75a2b2de4c4c9b5937"],"state_sha256":"0260703c5579df7ec598d37c43cb13d01173c43d503137f74671b6328fbe3509"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"R6OnaxV6aFc+73wEBPAx/csLoJ5YU1aYBinvu47ltHSUw+NahOrB/IUOpc+nGtGmH+QkQ8JxznmcOHV6RcyGDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-18T14:36:36.188800Z","bundle_sha256":"b3699ae62eb27ff02c62c8a1282570d9d482d3bcb1649f1dd9d8c7e99c07205e"}}