{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:UVNODPD3FFG7ZLN5J4C7SWWVKU","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":"604b6cae9274841e6cab9a8e2d8dafd9f2d2005959344e5e3c7a120deef43c5f","cross_cats_sorted":["astro-ph.EP"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.geo-ph","submitted_at":"2017-07-26T13:10:12Z","title_canon_sha256":"6f5eb39b871ac59a5bbda652b109f4c45a02ce5b1032aab8ec4122218eb0b104"},"schema_version":"1.0","source":{"id":"1707.08422","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1707.08422","created_at":"2026-05-18T00:21:27Z"},{"alias_kind":"arxiv_version","alias_value":"1707.08422v1","created_at":"2026-05-18T00:21:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1707.08422","created_at":"2026-05-18T00:21:27Z"},{"alias_kind":"pith_short_12","alias_value":"UVNODPD3FFG7","created_at":"2026-05-18T12:31:49Z"},{"alias_kind":"pith_short_16","alias_value":"UVNODPD3FFG7ZLN5","created_at":"2026-05-18T12:31:49Z"},{"alias_kind":"pith_short_8","alias_value":"UVNODPD3","created_at":"2026-05-18T12:31:49Z"}],"graph_snapshots":[{"event_id":"sha256:88c7a8a8004b065dbfa34302ceed306d086dfcc92f18320a756f818ee5d16186","target":"graph","created_at":"2026-05-18T00:21:27Z","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":"We determined the shock-darkening pressure range in ordinary chondrites using the iSALE shock physics code. We simulated planar shock waves on a mesoscale in a sample layer at different nominal pressures. Iron and troilite grains were resolved in a porous olivine matrix in the sample layer. We used equations of state (Tillotson EoS and ANEOS) and basic strength and thermal properties to describe the material phases. We used Lagrangian tracers to record peak shock pressures in each material unit. The post-shock temperatures (and the fractions of tracers experiencing temperatures above the melti","authors_text":"J. Moreau, K. W\\\"unnemann, T. Kohout","cross_cats":["astro-ph.EP"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.geo-ph","submitted_at":"2017-07-26T13:10:12Z","title":"Shock-darkening in ordinary chondrites: determination of the pressure-temperature conditions by shock physics mesoscale modeling"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1707.08422","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":"sha256:05ed18b36c42a75b30de951e1a62c1e3540500ff21cb9b644e8992e7285ccc79","target":"record","created_at":"2026-05-18T00:21:27Z","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":"604b6cae9274841e6cab9a8e2d8dafd9f2d2005959344e5e3c7a120deef43c5f","cross_cats_sorted":["astro-ph.EP"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.geo-ph","submitted_at":"2017-07-26T13:10:12Z","title_canon_sha256":"6f5eb39b871ac59a5bbda652b109f4c45a02ce5b1032aab8ec4122218eb0b104"},"schema_version":"1.0","source":{"id":"1707.08422","kind":"arxiv","version":1}},"canonical_sha256":"a55ae1bc7b294dfcadbd4f05f95ad55512ba018000cd249e6e802b6c4f97960f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a55ae1bc7b294dfcadbd4f05f95ad55512ba018000cd249e6e802b6c4f97960f","first_computed_at":"2026-05-18T00:21:27.532234Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:21:27.532234Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"qhqnSo2QbedkhDo/br5ikk5ktbgjPY9YePaacO2TUuugE7zRMnl3JWsBD8ve4Mwu5cPdgLOkoiJAiJuscRf/Cw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:21:27.532788Z","signed_message":"canonical_sha256_bytes"},"source_id":"1707.08422","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:05ed18b36c42a75b30de951e1a62c1e3540500ff21cb9b644e8992e7285ccc79","sha256:88c7a8a8004b065dbfa34302ceed306d086dfcc92f18320a756f818ee5d16186"],"state_sha256":"7c382ce8f80b9a53e48a4f9e46057de32aa4ee43fb3240e14507f003c2910660"}