{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:W2MFEA3R5RAMBJM7SOWM5EI7DQ","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":"a951c27c31903d5835026e77390bf4b11fe993b62ab1b2dc85dcb7e13e390b8a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2014-07-28T13:57:57Z","title_canon_sha256":"4d98ff18e89e49fe140b2101fac8bcf63464813c8b3f9fff148295396a38aadc"},"schema_version":"1.0","source":{"id":"1407.7420","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1407.7420","created_at":"2026-05-18T01:42:29Z"},{"alias_kind":"arxiv_version","alias_value":"1407.7420v2","created_at":"2026-05-18T01:42:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1407.7420","created_at":"2026-05-18T01:42:29Z"},{"alias_kind":"pith_short_12","alias_value":"W2MFEA3R5RAM","created_at":"2026-05-18T12:28:54Z"},{"alias_kind":"pith_short_16","alias_value":"W2MFEA3R5RAMBJM7","created_at":"2026-05-18T12:28:54Z"},{"alias_kind":"pith_short_8","alias_value":"W2MFEA3R","created_at":"2026-05-18T12:28:54Z"}],"graph_snapshots":[{"event_id":"sha256:f03fcadfdd3120b5bb2ff1a000803fc3bafd1636a7aed3823e69c14c2be91cfd","target":"graph","created_at":"2026-05-18T01:42:29Z","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":"When a granular material is impacted by a sphere, its surface deforms like a liquid yet it preserves a circular crater like a solid. Although the mechanism of granular impact cratering by solid spheres is well explored, our knowledge on granular impact cratering by liquid drops is still very limited. Here, by combining high-speed photography with high-precision laser profilometry, we investigate liquid-drop impact dynamics on granular surface and monitor the morphology of resulting impact craters. Surprisingly, we find that, despite the enormous energy and length difference, granular impact cr","authors_text":"Hendro Tjugito, Qianyun Zhang, Runchen Zhao, Xiang Cheng","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2014-07-28T13:57:57Z","title":"Granular impact cratering by liquid drops: Understanding raindrop imprints through an analogy to asteroid strikes"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1407.7420","kind":"arxiv","version":2},"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":"sha256:484ae49b88c3a4ce8fddf26dc32c3ebb0206b50a27e07a912458294eb5d4b336","target":"record","created_at":"2026-05-18T01:42:29Z","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":"a951c27c31903d5835026e77390bf4b11fe993b62ab1b2dc85dcb7e13e390b8a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2014-07-28T13:57:57Z","title_canon_sha256":"4d98ff18e89e49fe140b2101fac8bcf63464813c8b3f9fff148295396a38aadc"},"schema_version":"1.0","source":{"id":"1407.7420","kind":"arxiv","version":2}},"canonical_sha256":"b698520371ec40c0a59f93acce911f1c0d05f734268a6824b5b0c3e74f8b079e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b698520371ec40c0a59f93acce911f1c0d05f734268a6824b5b0c3e74f8b079e","first_computed_at":"2026-05-18T01:42:29.334481Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:42:29.334481Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ck1pZDj2K6DxwsKWeIoLRWoJdxKVF3YmAfDQqYy34obV5cXMLVX3GiF0S3KNEZ7OEVf5lg0GeuB05BH+6ckhDA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:42:29.334953Z","signed_message":"canonical_sha256_bytes"},"source_id":"1407.7420","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:484ae49b88c3a4ce8fddf26dc32c3ebb0206b50a27e07a912458294eb5d4b336","sha256:f03fcadfdd3120b5bb2ff1a000803fc3bafd1636a7aed3823e69c14c2be91cfd"],"state_sha256":"3a726a27c58d4e7a7a1f1208ed756b5806f3d598c7722fffbdfb38378d3bbcaa"}