{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:2OCPEX7ODFMM6KE6Q6MIDC7QCT","short_pith_number":"pith:2OCPEX7O","schema_version":"1.0","canonical_sha256":"d384f25fee1958cf289e8798818bf014e58a22f394d36b6efda9c3797e8e2438","source":{"kind":"arxiv","id":"1812.07662","version":1},"attestation_state":"computed","paper":{"title":"The critical state of granular media: Convergence, stationarity, and disorder","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.soft","authors_text":"Matthew R. Kuhn","submitted_at":"2018-12-18T22:03:18Z","abstract_excerpt":"Discrete-element simulations are used to monitor several micro-scale characteristics within a granular material, demonstrating their convergence during loading toward the critical state, their stationarity at the critical state, and the evolution of their disorder toward the critical state. Convergence, stationarity and disorder are studied in the context of the Shannon entropy and two forms of Kullback-Leibler relative entropy. Probability distributions of 20 aspects of micro-scale configuration, force and movement are computed for three topological objects: particles, voids and contacts. The"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1812.07662","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2018-12-18T22:03:18Z","cross_cats_sorted":[],"title_canon_sha256":"0b85d9ed6a5832ef0fd0e4f2865818ee9df23cbd1b87269a882922975021c2c2","abstract_canon_sha256":"938b03fe97af8f2b628bdce2ed911fb29a7361af5a012e6eee170ac56a664118"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:57:56.394826Z","signature_b64":"ISQh7eDhvnKOqU3FmIRnN975QFeJX4PgDzaoyBnHqo1DQxuiC2sjmkzc8/HzO3R3MZsfL6Iuz5Xl+kNhAk33Ag==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d384f25fee1958cf289e8798818bf014e58a22f394d36b6efda9c3797e8e2438","last_reissued_at":"2026-05-17T23:57:56.394142Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:57:56.394142Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"The critical state of granular media: Convergence, stationarity, and disorder","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.soft","authors_text":"Matthew R. Kuhn","submitted_at":"2018-12-18T22:03:18Z","abstract_excerpt":"Discrete-element simulations are used to monitor several micro-scale characteristics within a granular material, demonstrating their convergence during loading toward the critical state, their stationarity at the critical state, and the evolution of their disorder toward the critical state. Convergence, stationarity and disorder are studied in the context of the Shannon entropy and two forms of Kullback-Leibler relative entropy. Probability distributions of 20 aspects of micro-scale configuration, force and movement are computed for three topological objects: particles, voids and contacts. The"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1812.07662","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"},"aliases":[{"alias_kind":"arxiv","alias_value":"1812.07662","created_at":"2026-05-17T23:57:56.394245+00:00"},{"alias_kind":"arxiv_version","alias_value":"1812.07662v1","created_at":"2026-05-17T23:57:56.394245+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1812.07662","created_at":"2026-05-17T23:57:56.394245+00:00"},{"alias_kind":"pith_short_12","alias_value":"2OCPEX7ODFMM","created_at":"2026-05-18T12:32:02.567920+00:00"},{"alias_kind":"pith_short_16","alias_value":"2OCPEX7ODFMM6KE6","created_at":"2026-05-18T12:32:02.567920+00:00"},{"alias_kind":"pith_short_8","alias_value":"2OCPEX7O","created_at":"2026-05-18T12:32:02.567920+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/2OCPEX7ODFMM6KE6Q6MIDC7QCT","json":"https://pith.science/pith/2OCPEX7ODFMM6KE6Q6MIDC7QCT.json","graph_json":"https://pith.science/api/pith-number/2OCPEX7ODFMM6KE6Q6MIDC7QCT/graph.json","events_json":"https://pith.science/api/pith-number/2OCPEX7ODFMM6KE6Q6MIDC7QCT/events.json","paper":"https://pith.science/paper/2OCPEX7O"},"agent_actions":{"view_html":"https://pith.science/pith/2OCPEX7ODFMM6KE6Q6MIDC7QCT","download_json":"https://pith.science/pith/2OCPEX7ODFMM6KE6Q6MIDC7QCT.json","view_paper":"https://pith.science/paper/2OCPEX7O","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1812.07662&json=true","fetch_graph":"https://pith.science/api/pith-number/2OCPEX7ODFMM6KE6Q6MIDC7QCT/graph.json","fetch_events":"https://pith.science/api/pith-number/2OCPEX7ODFMM6KE6Q6MIDC7QCT/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/2OCPEX7ODFMM6KE6Q6MIDC7QCT/action/timestamp_anchor","attest_storage":"https://pith.science/pith/2OCPEX7ODFMM6KE6Q6MIDC7QCT/action/storage_attestation","attest_author":"https://pith.science/pith/2OCPEX7ODFMM6KE6Q6MIDC7QCT/action/author_attestation","sign_citation":"https://pith.science/pith/2OCPEX7ODFMM6KE6Q6MIDC7QCT/action/citation_signature","submit_replication":"https://pith.science/pith/2OCPEX7ODFMM6KE6Q6MIDC7QCT/action/replication_record"}},"created_at":"2026-05-17T23:57:56.394245+00:00","updated_at":"2026-05-17T23:57:56.394245+00:00"}