{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:ZS2BYRV6S2SYGZMXZO5DZ335CK","short_pith_number":"pith:ZS2BYRV6","canonical_record":{"source":{"id":"1106.0777","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2011-06-03T23:26:11Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"27f9d78e96b4b0ed4c1d02d2c1f883ead20725876d4dfb3e892ff082740a2291","abstract_canon_sha256":"d42ccc00078604f0203a51cd1a95add911fabf2f71916c4d7866a2ccbb5156be"},"schema_version":"1.0"},"canonical_sha256":"ccb41c46be96a5836597cbba3cef7d128e0156383e5a8791672f0e42ea3c44aa","source":{"kind":"arxiv","id":"1106.0777","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1106.0777","created_at":"2026-05-18T02:01:42Z"},{"alias_kind":"arxiv_version","alias_value":"1106.0777v1","created_at":"2026-05-18T02:01:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1106.0777","created_at":"2026-05-18T02:01:42Z"},{"alias_kind":"pith_short_12","alias_value":"ZS2BYRV6S2SY","created_at":"2026-05-18T12:26:50Z"},{"alias_kind":"pith_short_16","alias_value":"ZS2BYRV6S2SYGZMX","created_at":"2026-05-18T12:26:50Z"},{"alias_kind":"pith_short_8","alias_value":"ZS2BYRV6","created_at":"2026-05-18T12:26:50Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:ZS2BYRV6S2SYGZMXZO5DZ335CK","target":"record","payload":{"canonical_record":{"source":{"id":"1106.0777","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2011-06-03T23:26:11Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"27f9d78e96b4b0ed4c1d02d2c1f883ead20725876d4dfb3e892ff082740a2291","abstract_canon_sha256":"d42ccc00078604f0203a51cd1a95add911fabf2f71916c4d7866a2ccbb5156be"},"schema_version":"1.0"},"canonical_sha256":"ccb41c46be96a5836597cbba3cef7d128e0156383e5a8791672f0e42ea3c44aa","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:01:42.141107Z","signature_b64":"Ryi9sOzAo++a+WLoBdXL+nNOSshRrgaRIReB2+lQxavLgaOeL14a6T2PIP5yx4hjlrkdePZcO6E4yoM80p+kDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ccb41c46be96a5836597cbba3cef7d128e0156383e5a8791672f0e42ea3c44aa","last_reissued_at":"2026-05-18T02:01:42.140461Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:01:42.140461Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1106.0777","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":"2026-05-18T02:01:42Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rrJPeyJcneLajqlYd9hEdOdom/2oiwWDX5QpTy/NDmsJSSHRrrYdh4hPpOIVewEwG2pkjsbtwXPZ3Zp39uz7Cw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T04:02:32.032501Z"},"content_sha256":"7126db405b7c63678f6c0618b8d01b1392a0a8a20eff036c973f01e45d1de566","schema_version":"1.0","event_id":"sha256:7126db405b7c63678f6c0618b8d01b1392a0a8a20eff036c973f01e45d1de566"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:ZS2BYRV6S2SYGZMXZO5DZ335CK","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A dynamical analysis of the proposed HU Aquarii planetary system","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.SR"],"primary_cat":"astro-ph.EP","authors_text":"C. G. Tinney, J. Horner, J. P. Marshall, Robert A. Wittenmyer","submitted_at":"2011-06-03T23:26:11Z","abstract_excerpt":"It has recently been suggested that the eclipsing polar HU Aquarii is host to at least two giant planets. We have performed highly detailed dynamical analysis of the orbits of those planets and show that the proposed system is highly unstable on timescales of < 5\\times 10$^3$ years. For the coplanar orbits suggested in the discovery letter, we find stable orbital solutions for the planetary system only if the outer body moves on an orbit that brings it no closer to the host star than ~ 6 AU. The required periastron distance for the outer planet lies approximately 5 Hill radii beyond the orbit "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1106.0777","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":""},"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":"2026-05-18T02:01:42Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/1USTNjqibhf/BInXxL8qwBxNHhKoEjQNlsjvCK1VQsCbO0J/RAe0CZOzm27/XK9zBmD3mGGylSVOMa3MxelBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T04:02:32.033180Z"},"content_sha256":"c1d53121145248aabb09bfa140ec5b4f0cc9b1a5f67b5414c0352a0c1c974535","schema_version":"1.0","event_id":"sha256:c1d53121145248aabb09bfa140ec5b4f0cc9b1a5f67b5414c0352a0c1c974535"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ZS2BYRV6S2SYGZMXZO5DZ335CK/bundle.json","state_url":"https://pith.science/pith/ZS2BYRV6S2SYGZMXZO5DZ335CK/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ZS2BYRV6S2SYGZMXZO5DZ335CK/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":"2026-05-26T04:02:32Z","links":{"resolver":"https://pith.science/pith/ZS2BYRV6S2SYGZMXZO5DZ335CK","bundle":"https://pith.science/pith/ZS2BYRV6S2SYGZMXZO5DZ335CK/bundle.json","state":"https://pith.science/pith/ZS2BYRV6S2SYGZMXZO5DZ335CK/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ZS2BYRV6S2SYGZMXZO5DZ335CK/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:ZS2BYRV6S2SYGZMXZO5DZ335CK","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":"d42ccc00078604f0203a51cd1a95add911fabf2f71916c4d7866a2ccbb5156be","cross_cats_sorted":["astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2011-06-03T23:26:11Z","title_canon_sha256":"27f9d78e96b4b0ed4c1d02d2c1f883ead20725876d4dfb3e892ff082740a2291"},"schema_version":"1.0","source":{"id":"1106.0777","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1106.0777","created_at":"2026-05-18T02:01:42Z"},{"alias_kind":"arxiv_version","alias_value":"1106.0777v1","created_at":"2026-05-18T02:01:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1106.0777","created_at":"2026-05-18T02:01:42Z"},{"alias_kind":"pith_short_12","alias_value":"ZS2BYRV6S2SY","created_at":"2026-05-18T12:26:50Z"},{"alias_kind":"pith_short_16","alias_value":"ZS2BYRV6S2SYGZMX","created_at":"2026-05-18T12:26:50Z"},{"alias_kind":"pith_short_8","alias_value":"ZS2BYRV6","created_at":"2026-05-18T12:26:50Z"}],"graph_snapshots":[{"event_id":"sha256:c1d53121145248aabb09bfa140ec5b4f0cc9b1a5f67b5414c0352a0c1c974535","target":"graph","created_at":"2026-05-18T02:01:42Z","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":"It has recently been suggested that the eclipsing polar HU Aquarii is host to at least two giant planets. We have performed highly detailed dynamical analysis of the orbits of those planets and show that the proposed system is highly unstable on timescales of < 5\\times 10$^3$ years. For the coplanar orbits suggested in the discovery letter, we find stable orbital solutions for the planetary system only if the outer body moves on an orbit that brings it no closer to the host star than ~ 6 AU. The required periastron distance for the outer planet lies approximately 5 Hill radii beyond the orbit ","authors_text":"C. G. Tinney, J. Horner, J. P. Marshall, Robert A. Wittenmyer","cross_cats":["astro-ph.SR"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2011-06-03T23:26:11Z","title":"A dynamical analysis of the proposed HU Aquarii planetary system"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1106.0777","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":"sha256:7126db405b7c63678f6c0618b8d01b1392a0a8a20eff036c973f01e45d1de566","target":"record","created_at":"2026-05-18T02:01:42Z","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":"d42ccc00078604f0203a51cd1a95add911fabf2f71916c4d7866a2ccbb5156be","cross_cats_sorted":["astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2011-06-03T23:26:11Z","title_canon_sha256":"27f9d78e96b4b0ed4c1d02d2c1f883ead20725876d4dfb3e892ff082740a2291"},"schema_version":"1.0","source":{"id":"1106.0777","kind":"arxiv","version":1}},"canonical_sha256":"ccb41c46be96a5836597cbba3cef7d128e0156383e5a8791672f0e42ea3c44aa","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ccb41c46be96a5836597cbba3cef7d128e0156383e5a8791672f0e42ea3c44aa","first_computed_at":"2026-05-18T02:01:42.140461Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:01:42.140461Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Ryi9sOzAo++a+WLoBdXL+nNOSshRrgaRIReB2+lQxavLgaOeL14a6T2PIP5yx4hjlrkdePZcO6E4yoM80p+kDg==","signature_status":"signed_v1","signed_at":"2026-05-18T02:01:42.141107Z","signed_message":"canonical_sha256_bytes"},"source_id":"1106.0777","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7126db405b7c63678f6c0618b8d01b1392a0a8a20eff036c973f01e45d1de566","sha256:c1d53121145248aabb09bfa140ec5b4f0cc9b1a5f67b5414c0352a0c1c974535"],"state_sha256":"274557ae3c48bec0d5e327589473d84b74a69a2d9ceea3ff45ceb8f6cc0bea91"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"XQOGXxWazeQwILVjorYrEGTJA10Z2Z4FpFRI3YG9iWv4zk3D8c7yXKitN2AMO4Fw3Ra3A2L6l0Lz9YkvcOsFDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T04:02:32.037396Z","bundle_sha256":"8b5b50ec3567c7287fafc57209ffcb91b3cf6db6bcb21b85b71685b286261b9f"}}