{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2001:HYT5HLSKUHNKRKKN2O5SP3IUOY","short_pith_number":"pith:HYT5HLSK","schema_version":"1.0","canonical_sha256":"3e27d3ae4aa1daa8a94dd3bb27ed147605766c47de4000e267730611fdcb7307","source":{"kind":"arxiv","id":"cond-mat/0107392","version":1},"attestation_state":"computed","paper":{"title":"Granular Drag on a Discrete Object: Shape Effects on Jamming","license":"","headline":"","cross_cats":[],"primary_cat":"cond-mat.dis-nn","authors_text":"A. J. Morss, A.-L. Barabasi, I. Albert, J. G. Sample, P. Schiffer, S. Rajagopalan","submitted_at":"2001-07-19T05:05:50Z","abstract_excerpt":"We study the drag force on discrete objects with circular cross section moving slowly through a spherical granular medium. Variations in the geometry of the dragged object change the drag force only by a small fraction relative to shape effects in fluid drag. The drag force depends quadratically on the object's diameter as expected. We do observe, however, a deviation above the expected linear depth dependence, and the magnitude of the deviation is apparently controlled by geometrical factors."},"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":"cond-mat/0107392","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"cond-mat.dis-nn","submitted_at":"2001-07-19T05:05:50Z","cross_cats_sorted":[],"title_canon_sha256":"00d8f205060d7eace6ba212216078e4fdbeecaf3830cdaf2abbc5d9d52c7f9fe","abstract_canon_sha256":"468f523929611e72ec014f391dba167a165a101b5f15f13c02401c0665ce0ced"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T16:26:00.897899Z","signature_b64":"0A8DDOBtGe6ejxWgJsn6/N/6svRw2etGOCID3jjz/L9NlRU2NBpdX+AnYo07aVG3RvZWsuvzOOkdP6GuEzvjBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3e27d3ae4aa1daa8a94dd3bb27ed147605766c47de4000e267730611fdcb7307","last_reissued_at":"2026-07-04T16:26:00.897522Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T16:26:00.897522Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Granular Drag on a Discrete Object: Shape Effects on Jamming","license":"","headline":"","cross_cats":[],"primary_cat":"cond-mat.dis-nn","authors_text":"A. J. Morss, A.-L. Barabasi, I. Albert, J. G. Sample, P. Schiffer, S. Rajagopalan","submitted_at":"2001-07-19T05:05:50Z","abstract_excerpt":"We study the drag force on discrete objects with circular cross section moving slowly through a spherical granular medium. Variations in the geometry of the dragged object change the drag force only by a small fraction relative to shape effects in fluid drag. The drag force depends quadratically on the object's diameter as expected. We do observe, however, a deviation above the expected linear depth dependence, and the magnitude of the deviation is apparently controlled by geometrical factors."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/0107392","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/cond-mat/0107392/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"cond-mat/0107392","created_at":"2026-07-04T16:26:00.897581+00:00"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/0107392v1","created_at":"2026-07-04T16:26:00.897581+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/0107392","created_at":"2026-07-04T16:26:00.897581+00:00"},{"alias_kind":"pith_short_12","alias_value":"HYT5HLSKUHNK","created_at":"2026-07-04T16:26:00.897581+00:00"},{"alias_kind":"pith_short_16","alias_value":"HYT5HLSKUHNKRKKN","created_at":"2026-07-04T16:26:00.897581+00:00"},{"alias_kind":"pith_short_8","alias_value":"HYT5HLSK","created_at":"2026-07-04T16:26:00.897581+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/HYT5HLSKUHNKRKKN2O5SP3IUOY","json":"https://pith.science/pith/HYT5HLSKUHNKRKKN2O5SP3IUOY.json","graph_json":"https://pith.science/api/pith-number/HYT5HLSKUHNKRKKN2O5SP3IUOY/graph.json","events_json":"https://pith.science/api/pith-number/HYT5HLSKUHNKRKKN2O5SP3IUOY/events.json","paper":"https://pith.science/paper/HYT5HLSK"},"agent_actions":{"view_html":"https://pith.science/pith/HYT5HLSKUHNKRKKN2O5SP3IUOY","download_json":"https://pith.science/pith/HYT5HLSKUHNKRKKN2O5SP3IUOY.json","view_paper":"https://pith.science/paper/HYT5HLSK","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=cond-mat/0107392&json=true","fetch_graph":"https://pith.science/api/pith-number/HYT5HLSKUHNKRKKN2O5SP3IUOY/graph.json","fetch_events":"https://pith.science/api/pith-number/HYT5HLSKUHNKRKKN2O5SP3IUOY/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/HYT5HLSKUHNKRKKN2O5SP3IUOY/action/timestamp_anchor","attest_storage":"https://pith.science/pith/HYT5HLSKUHNKRKKN2O5SP3IUOY/action/storage_attestation","attest_author":"https://pith.science/pith/HYT5HLSKUHNKRKKN2O5SP3IUOY/action/author_attestation","sign_citation":"https://pith.science/pith/HYT5HLSKUHNKRKKN2O5SP3IUOY/action/citation_signature","submit_replication":"https://pith.science/pith/HYT5HLSKUHNKRKKN2O5SP3IUOY/action/replication_record"}},"created_at":"2026-07-04T16:26:00.897581+00:00","updated_at":"2026-07-04T16:26:00.897581+00:00"}