{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2006:HU6FGXWAFXSOE7NTH6GPRQ4LJF","short_pith_number":"pith:HU6FGXWA","canonical_record":{"source":{"id":"astro-ph/0608296","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2006-08-14T20:12:43Z","cross_cats_sorted":[],"title_canon_sha256":"ca30739ea1ca22bff972630505e89109f13213f0c5228c2da2ac8a94b2ddcfc1","abstract_canon_sha256":"609964f53ddfb20fe05a79510108343b99a29b63813dc1c37ea716a76dfc6607"},"schema_version":"1.0"},"canonical_sha256":"3d3c535ec02de4e27db33f8cf8c38b496dacf482e75cd07fd3bd78deab9f710c","source":{"kind":"arxiv","id":"astro-ph/0608296","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0608296","created_at":"2026-05-18T01:40:29Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0608296v1","created_at":"2026-05-18T01:40:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0608296","created_at":"2026-05-18T01:40:29Z"},{"alias_kind":"pith_short_12","alias_value":"HU6FGXWAFXSO","created_at":"2026-05-18T12:25:53Z"},{"alias_kind":"pith_short_16","alias_value":"HU6FGXWAFXSOE7NT","created_at":"2026-05-18T12:25:53Z"},{"alias_kind":"pith_short_8","alias_value":"HU6FGXWA","created_at":"2026-05-18T12:25:53Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2006:HU6FGXWAFXSOE7NTH6GPRQ4LJF","target":"record","payload":{"canonical_record":{"source":{"id":"astro-ph/0608296","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2006-08-14T20:12:43Z","cross_cats_sorted":[],"title_canon_sha256":"ca30739ea1ca22bff972630505e89109f13213f0c5228c2da2ac8a94b2ddcfc1","abstract_canon_sha256":"609964f53ddfb20fe05a79510108343b99a29b63813dc1c37ea716a76dfc6607"},"schema_version":"1.0"},"canonical_sha256":"3d3c535ec02de4e27db33f8cf8c38b496dacf482e75cd07fd3bd78deab9f710c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:40:29.946340Z","signature_b64":"/vI7HbjKfGbM4mh+1nRO37mys+25z0FeU3ddQ8WvlE708GepLDwXjd8JeSzmMlgpj9BKoyzPqGoj+u1nmpRMCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3d3c535ec02de4e27db33f8cf8c38b496dacf482e75cd07fd3bd78deab9f710c","last_reissued_at":"2026-05-18T01:40:29.945789Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:40:29.945789Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"astro-ph/0608296","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":"2026-05-18T01:40:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"uUWKzVpO3u5asbpz719cNmft88/YFyWc9CkZ5S7VggPA5HfzCEG4jRbbuEKwGdJn0VDBs0twvqDDW6j49A69DA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-12T04:06:36.806338Z"},"content_sha256":"e419dd6aa3b34b8319b0c3ade3b44d87bb0e7b7271d63e46da28122cb8c35739","schema_version":"1.0","event_id":"sha256:e419dd6aa3b34b8319b0c3ade3b44d87bb0e7b7271d63e46da28122cb8c35739"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2006:HU6FGXWAFXSOE7NTH6GPRQ4LJF","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Spontaneous axisymmetry breaking of Saturn's external magnetic field","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"Alison J. Farmer, Peter Goldreich","submitted_at":"2006-08-14T20:12:43Z","abstract_excerpt":"Saturn's magnetic field is remarkably axisymmetric. Its dipole axis is inclined by less than 0.2 deg with respect to its rotation axis. Rotationally driven convection of magnetospheric plasma breaks the axisymmetry of its external magnetic field. Field aligned currents transfer angular momentum from the planet to a tongue of outflowing plasma. This transfer slows the rate of rotation of the ionosphere relative to that of the underlying atmosphere. The currents are the source for the non-axisymmetric components of the field. The common rotation rates of these components and Saturn's kilometric "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0608296","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":"2026-05-18T01:40:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ozpOYHV2vyRODJxTLQA0ayZKrIX06s3bH4jCCqoToHVuqWrFGvi6mKEuZMhCRabuh+ZFb9gDyzLzsavaiZf+DA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-12T04:06:36.807052Z"},"content_sha256":"28fa4cccfe88df82f09cc18044bf64c1be1fdd8cb882a7ebc3284ccb5bcc9673","schema_version":"1.0","event_id":"sha256:28fa4cccfe88df82f09cc18044bf64c1be1fdd8cb882a7ebc3284ccb5bcc9673"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/HU6FGXWAFXSOE7NTH6GPRQ4LJF/bundle.json","state_url":"https://pith.science/pith/HU6FGXWAFXSOE7NTH6GPRQ4LJF/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/HU6FGXWAFXSOE7NTH6GPRQ4LJF/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":"2026-06-12T04:06:36Z","links":{"resolver":"https://pith.science/pith/HU6FGXWAFXSOE7NTH6GPRQ4LJF","bundle":"https://pith.science/pith/HU6FGXWAFXSOE7NTH6GPRQ4LJF/bundle.json","state":"https://pith.science/pith/HU6FGXWAFXSOE7NTH6GPRQ4LJF/state.json","well_known_bundle":"https://pith.science/.well-known/pith/HU6FGXWAFXSOE7NTH6GPRQ4LJF/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2006:HU6FGXWAFXSOE7NTH6GPRQ4LJF","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":"609964f53ddfb20fe05a79510108343b99a29b63813dc1c37ea716a76dfc6607","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2006-08-14T20:12:43Z","title_canon_sha256":"ca30739ea1ca22bff972630505e89109f13213f0c5228c2da2ac8a94b2ddcfc1"},"schema_version":"1.0","source":{"id":"astro-ph/0608296","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0608296","created_at":"2026-05-18T01:40:29Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0608296v1","created_at":"2026-05-18T01:40:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0608296","created_at":"2026-05-18T01:40:29Z"},{"alias_kind":"pith_short_12","alias_value":"HU6FGXWAFXSO","created_at":"2026-05-18T12:25:53Z"},{"alias_kind":"pith_short_16","alias_value":"HU6FGXWAFXSOE7NT","created_at":"2026-05-18T12:25:53Z"},{"alias_kind":"pith_short_8","alias_value":"HU6FGXWA","created_at":"2026-05-18T12:25:53Z"}],"graph_snapshots":[{"event_id":"sha256:28fa4cccfe88df82f09cc18044bf64c1be1fdd8cb882a7ebc3284ccb5bcc9673","target":"graph","created_at":"2026-05-18T01:40:29Z","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":"Saturn's magnetic field is remarkably axisymmetric. Its dipole axis is inclined by less than 0.2 deg with respect to its rotation axis. Rotationally driven convection of magnetospheric plasma breaks the axisymmetry of its external magnetic field. Field aligned currents transfer angular momentum from the planet to a tongue of outflowing plasma. This transfer slows the rate of rotation of the ionosphere relative to that of the underlying atmosphere. The currents are the source for the non-axisymmetric components of the field. The common rotation rates of these components and Saturn's kilometric ","authors_text":"Alison J. Farmer, Peter Goldreich","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2006-08-14T20:12:43Z","title":"Spontaneous axisymmetry breaking of Saturn's external magnetic field"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0608296","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:e419dd6aa3b34b8319b0c3ade3b44d87bb0e7b7271d63e46da28122cb8c35739","target":"record","created_at":"2026-05-18T01:40:29Z","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":"609964f53ddfb20fe05a79510108343b99a29b63813dc1c37ea716a76dfc6607","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2006-08-14T20:12:43Z","title_canon_sha256":"ca30739ea1ca22bff972630505e89109f13213f0c5228c2da2ac8a94b2ddcfc1"},"schema_version":"1.0","source":{"id":"astro-ph/0608296","kind":"arxiv","version":1}},"canonical_sha256":"3d3c535ec02de4e27db33f8cf8c38b496dacf482e75cd07fd3bd78deab9f710c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3d3c535ec02de4e27db33f8cf8c38b496dacf482e75cd07fd3bd78deab9f710c","first_computed_at":"2026-05-18T01:40:29.945789Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:40:29.945789Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"/vI7HbjKfGbM4mh+1nRO37mys+25z0FeU3ddQ8WvlE708GepLDwXjd8JeSzmMlgpj9BKoyzPqGoj+u1nmpRMCw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:40:29.946340Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/0608296","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e419dd6aa3b34b8319b0c3ade3b44d87bb0e7b7271d63e46da28122cb8c35739","sha256:28fa4cccfe88df82f09cc18044bf64c1be1fdd8cb882a7ebc3284ccb5bcc9673"],"state_sha256":"843653b35314695189ab4c36cfef065f7138d92cfde790b1253d62c21157969f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Y/U+k7TuQZpQLMHgQA7dRGrQmV2tQZUho5xnouUE+YV5pYP4ThlH9DoqyJkNV2/zZqER85ZfWyWoJ7c0+wBPBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-12T04:06:36.810950Z","bundle_sha256":"1670679cacac7120949290570eb28c19eec4e83ea19bbe195a12023293d9cfb1"}}