{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:YU3GNQ4JW3CEWHSHA6S5YNG3A5","short_pith_number":"pith:YU3GNQ4J","canonical_record":{"source":{"id":"1208.0878","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2012-08-04T02:26:32Z","cross_cats_sorted":["physics.space-ph"],"title_canon_sha256":"119c67e38cdc3e5e085d26512918d04c67f13588dd3b05c95050404bc094854e","abstract_canon_sha256":"799bf20ca6f8987e453af4dc96c9a682537927a5af1f168bd10865c17fec4320"},"schema_version":"1.0"},"canonical_sha256":"c53666c389b6c44b1e4707a5dc34db074ff45cb541b735df05e74859a14fb9c5","source":{"kind":"arxiv","id":"1208.0878","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1208.0878","created_at":"2026-05-18T03:27:32Z"},{"alias_kind":"arxiv_version","alias_value":"1208.0878v1","created_at":"2026-05-18T03:27:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1208.0878","created_at":"2026-05-18T03:27:32Z"},{"alias_kind":"pith_short_12","alias_value":"YU3GNQ4JW3CE","created_at":"2026-05-18T12:27:30Z"},{"alias_kind":"pith_short_16","alias_value":"YU3GNQ4JW3CEWHSH","created_at":"2026-05-18T12:27:30Z"},{"alias_kind":"pith_short_8","alias_value":"YU3GNQ4J","created_at":"2026-05-18T12:27:30Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:YU3GNQ4JW3CEWHSHA6S5YNG3A5","target":"record","payload":{"canonical_record":{"source":{"id":"1208.0878","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2012-08-04T02:26:32Z","cross_cats_sorted":["physics.space-ph"],"title_canon_sha256":"119c67e38cdc3e5e085d26512918d04c67f13588dd3b05c95050404bc094854e","abstract_canon_sha256":"799bf20ca6f8987e453af4dc96c9a682537927a5af1f168bd10865c17fec4320"},"schema_version":"1.0"},"canonical_sha256":"c53666c389b6c44b1e4707a5dc34db074ff45cb541b735df05e74859a14fb9c5","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:27:32.731600Z","signature_b64":"WMbmYLFfGMVa9LnxWfz6R975LaPbHrPyBDDhY3+8tvvc9ypp8AATy7BcEG4DnO9NJ17kKZ+Ioq/j1k2bIOAWBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c53666c389b6c44b1e4707a5dc34db074ff45cb541b735df05e74859a14fb9c5","last_reissued_at":"2026-05-18T03:27:32.731178Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:27:32.731178Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1208.0878","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":"2026-05-18T03:27:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"dW+KMRs/aF0AeIUHrO0JNeopsnByMta8o2N0ErhodLQzdELBS0I8D9WVY4e5ReALSzk7CgzDmLdxDe2aOR+cAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T17:24:45.761599Z"},"content_sha256":"6b60f9afbaed2c9325b5b3ab49357412523df1e534dcd23850604199acf08d34","schema_version":"1.0","event_id":"sha256:6b60f9afbaed2c9325b5b3ab49357412523df1e534dcd23850604199acf08d34"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:YU3GNQ4JW3CEWHSHA6S5YNG3A5","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Saturn's ULF wave foreshock boundary: Cassini observations","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.space-ph"],"primary_cat":"astro-ph.EP","authors_text":"Cesar Bertucci, Christian Mazelle, Daniel O. Gomez, Michele K. Dougherty, Nahuel Andres","submitted_at":"2012-08-04T02:26:32Z","abstract_excerpt":"Even though the solar wind is highly supersonic, intense ultra-low frequency (ULF) wave activity has been detected in regions just upstream of the bow shocks of magnetized planets. This feature was first observed ahead of the Earth's bow shock, and the corresponding region was called the ULF wave foreshock, which is embedded within the planet's foreshock. The properties as well as the spatial distribution of ULF waves within the Earth's foreshock have been extensively studied over the last three decades and have been explained as a result of plasma instabilities triggered by solar wind ions ba"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1208.0878","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":"2026-05-18T03:27:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hvTGxrNKaw6ADfQU8yLY2P/I/i1E2OavFX2REZcYuVPcr1QsFSFKJ+eXvmg6TpMvsWLTQ5t8/rQfbHLpb5yQDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T17:24:45.761948Z"},"content_sha256":"12f709675707cf1657e0060b1e47af08de68caece22398735012f4e8a73de82a","schema_version":"1.0","event_id":"sha256:12f709675707cf1657e0060b1e47af08de68caece22398735012f4e8a73de82a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/YU3GNQ4JW3CEWHSHA6S5YNG3A5/bundle.json","state_url":"https://pith.science/pith/YU3GNQ4JW3CEWHSHA6S5YNG3A5/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/YU3GNQ4JW3CEWHSHA6S5YNG3A5/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":"2026-05-30T17:24:45Z","links":{"resolver":"https://pith.science/pith/YU3GNQ4JW3CEWHSHA6S5YNG3A5","bundle":"https://pith.science/pith/YU3GNQ4JW3CEWHSHA6S5YNG3A5/bundle.json","state":"https://pith.science/pith/YU3GNQ4JW3CEWHSHA6S5YNG3A5/state.json","well_known_bundle":"https://pith.science/.well-known/pith/YU3GNQ4JW3CEWHSHA6S5YNG3A5/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:YU3GNQ4JW3CEWHSHA6S5YNG3A5","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":"799bf20ca6f8987e453af4dc96c9a682537927a5af1f168bd10865c17fec4320","cross_cats_sorted":["physics.space-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2012-08-04T02:26:32Z","title_canon_sha256":"119c67e38cdc3e5e085d26512918d04c67f13588dd3b05c95050404bc094854e"},"schema_version":"1.0","source":{"id":"1208.0878","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1208.0878","created_at":"2026-05-18T03:27:32Z"},{"alias_kind":"arxiv_version","alias_value":"1208.0878v1","created_at":"2026-05-18T03:27:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1208.0878","created_at":"2026-05-18T03:27:32Z"},{"alias_kind":"pith_short_12","alias_value":"YU3GNQ4JW3CE","created_at":"2026-05-18T12:27:30Z"},{"alias_kind":"pith_short_16","alias_value":"YU3GNQ4JW3CEWHSH","created_at":"2026-05-18T12:27:30Z"},{"alias_kind":"pith_short_8","alias_value":"YU3GNQ4J","created_at":"2026-05-18T12:27:30Z"}],"graph_snapshots":[{"event_id":"sha256:12f709675707cf1657e0060b1e47af08de68caece22398735012f4e8a73de82a","target":"graph","created_at":"2026-05-18T03:27:32Z","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":"Even though the solar wind is highly supersonic, intense ultra-low frequency (ULF) wave activity has been detected in regions just upstream of the bow shocks of magnetized planets. This feature was first observed ahead of the Earth's bow shock, and the corresponding region was called the ULF wave foreshock, which is embedded within the planet's foreshock. The properties as well as the spatial distribution of ULF waves within the Earth's foreshock have been extensively studied over the last three decades and have been explained as a result of plasma instabilities triggered by solar wind ions ba","authors_text":"Cesar Bertucci, Christian Mazelle, Daniel O. Gomez, Michele K. Dougherty, Nahuel Andres","cross_cats":["physics.space-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2012-08-04T02:26:32Z","title":"Saturn's ULF wave foreshock boundary: Cassini observations"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1208.0878","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":"sha256:6b60f9afbaed2c9325b5b3ab49357412523df1e534dcd23850604199acf08d34","target":"record","created_at":"2026-05-18T03:27:32Z","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":"799bf20ca6f8987e453af4dc96c9a682537927a5af1f168bd10865c17fec4320","cross_cats_sorted":["physics.space-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2012-08-04T02:26:32Z","title_canon_sha256":"119c67e38cdc3e5e085d26512918d04c67f13588dd3b05c95050404bc094854e"},"schema_version":"1.0","source":{"id":"1208.0878","kind":"arxiv","version":1}},"canonical_sha256":"c53666c389b6c44b1e4707a5dc34db074ff45cb541b735df05e74859a14fb9c5","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c53666c389b6c44b1e4707a5dc34db074ff45cb541b735df05e74859a14fb9c5","first_computed_at":"2026-05-18T03:27:32.731178Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:27:32.731178Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"WMbmYLFfGMVa9LnxWfz6R975LaPbHrPyBDDhY3+8tvvc9ypp8AATy7BcEG4DnO9NJ17kKZ+Ioq/j1k2bIOAWBg==","signature_status":"signed_v1","signed_at":"2026-05-18T03:27:32.731600Z","signed_message":"canonical_sha256_bytes"},"source_id":"1208.0878","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6b60f9afbaed2c9325b5b3ab49357412523df1e534dcd23850604199acf08d34","sha256:12f709675707cf1657e0060b1e47af08de68caece22398735012f4e8a73de82a"],"state_sha256":"01927b4bea08e238a56f99aeace94a8bf89255017bd5067f25aae8c52825d27d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"LdYVUzGTTXQhZ/bL08KQEdWdvQra2b9RMrlZGRGQ7WR7EMyzeWunhT5xKePV07M2CD6Pq/iYvXXqk4/i40y8Dg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T17:24:45.764132Z","bundle_sha256":"5f75a4ce4231b838888a8f0f68d908b057a6efb5fae20c634d50a20c7fdb638f"}}