{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:PJNV5RNVUKVZUACCOL6A4ABQ3B","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":"57ba67577d3c6145e6e1ae55035b76a7082f1404bcb621c561dfa5a3c5a861da","cross_cats_sorted":["astro-ph.EP","astro-ph.HE","astro-ph.SR"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.space-ph","submitted_at":"2021-04-02T16:02:12Z","title_canon_sha256":"d5b2e113facf23a276a063bd60195a343eb8e2f71d86deee35f8f933a860cde0"},"schema_version":"1.0","source":{"id":"2104.01123","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2104.01123","created_at":"2026-07-05T02:35:41Z"},{"alias_kind":"arxiv_version","alias_value":"2104.01123v1","created_at":"2026-07-05T02:35:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2104.01123","created_at":"2026-07-05T02:35:41Z"},{"alias_kind":"pith_short_12","alias_value":"PJNV5RNVUKVZ","created_at":"2026-07-05T02:35:41Z"},{"alias_kind":"pith_short_16","alias_value":"PJNV5RNVUKVZUACC","created_at":"2026-07-05T02:35:41Z"},{"alias_kind":"pith_short_8","alias_value":"PJNV5RNV","created_at":"2026-07-05T02:35:41Z"}],"graph_snapshots":[{"event_id":"sha256:bab68e856d8335db06e114e94ec2eafaf68249aac031039e5565fb8fbd94c433","target":"graph","created_at":"2026-07-05T02:35:41Z","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/2104.01123/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Using multipoint Magnetospheric Multiscale (MMS) observations in an unusual string-of-pearls configuration, we examine in detail observations of the reformation of a fast magnetosonic shock observed on the upstream edge of a foreshock transient structure upstream of Earth's bow shock. The four MMS spacecraft were separated by several hundred km, comparable to suprathermal ion gyro-radius scales or several ion inertial lengths. At least half of the shock reformation cycle was observed, with a new shock ramp rising up out of the \"foot\" region of the original shock ramp. Using the multipoint obse","authors_text":"A. Johlander, B. Lavraud, D. Caprioli, D. Gershman, D. L. Turner, H. Hietala, H. Madanian, I. J. Cohen, J. H. Westlake, J. L. Burch, K. A. Goodrich, L. B. Wilson III, O. Le Contel, S. J. Schwartz, T. Z. Liu","cross_cats":["astro-ph.EP","astro-ph.HE","astro-ph.SR"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.space-ph","submitted_at":"2021-04-02T16:02:12Z","title":"Direct Multipoint Observations Capturing the Reformation of a Supercritical Fast Magnetosonic Shock"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2104.01123","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":"sha256:1a6a07ab2ff7de349a5c594021765f607b73270776dae438c5d8cb3bea3ca403","target":"record","created_at":"2026-07-05T02:35:41Z","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":"57ba67577d3c6145e6e1ae55035b76a7082f1404bcb621c561dfa5a3c5a861da","cross_cats_sorted":["astro-ph.EP","astro-ph.HE","astro-ph.SR"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.space-ph","submitted_at":"2021-04-02T16:02:12Z","title_canon_sha256":"d5b2e113facf23a276a063bd60195a343eb8e2f71d86deee35f8f933a860cde0"},"schema_version":"1.0","source":{"id":"2104.01123","kind":"arxiv","version":1}},"canonical_sha256":"7a5b5ec5b5a2ab9a004272fc0e0030d87b37a91ef98eb577c61bfad5b08b50f5","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7a5b5ec5b5a2ab9a004272fc0e0030d87b37a91ef98eb577c61bfad5b08b50f5","first_computed_at":"2026-07-05T02:35:41.690415Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T02:35:41.690415Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"q9hIwc8lLVn7mNGtRaUjSpRNJPHphssPihIIpXl/Ynt9TTnePx2+v1VQKe1lskRSOpKoja9mu814Diyqrs3LAg==","signature_status":"signed_v1","signed_at":"2026-07-05T02:35:41.690826Z","signed_message":"canonical_sha256_bytes"},"source_id":"2104.01123","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1a6a07ab2ff7de349a5c594021765f607b73270776dae438c5d8cb3bea3ca403","sha256:bab68e856d8335db06e114e94ec2eafaf68249aac031039e5565fb8fbd94c433"],"state_sha256":"57dd441231fbc7c3467003f21e6e1287017017260d855bb79c3525564e57782c"}