{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2009:WMSN4PB4N3UXHMBO24GYIW2QM4","short_pith_number":"pith:WMSN4PB4","schema_version":"1.0","canonical_sha256":"b324de3c3c6ee973b02ed70d845b50671f36c74949105b6ecd79111702f25310","source":{"kind":"arxiv","id":"0905.4512","version":1},"attestation_state":"computed","paper":{"title":"Pulse propagation in tapered granular chains: An analytic study","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.soft","authors_text":"Alexandre Rosas, Katja Lindenberg, Massimiliano Esposito, Upendra Harbola","submitted_at":"2009-05-27T20:35:01Z","abstract_excerpt":"We study pulse propagation in one-dimensional tapered chains of spherical granules. Analytic results for the pulse velocity and other pulse features are obtained using a binary collision approximation. Comparisons with numerical results show that the binary collision approximation provides quantitatively accurate analytic results for these chains."},"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":"0905.4512","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2009-05-27T20:35:01Z","cross_cats_sorted":[],"title_canon_sha256":"3ec9fbdf1af48b8ed40f90189ae94009ef21acb8aa2554ba1f15512cc8505c71","abstract_canon_sha256":"f0f813933e1502def1687288079896f3f353ecbc6f3b241511b2b8bc56ac73b3"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:13:31.421598Z","signature_b64":"e22O4krdhfDMzM8N2Ooi0vPbAGpLzatpeaU7tH3lEJ6VAD3pgX9CozP/c8blolqYZEkep+1QZLhyx4X5qD6GDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b324de3c3c6ee973b02ed70d845b50671f36c74949105b6ecd79111702f25310","last_reissued_at":"2026-05-18T02:13:31.420870Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:13:31.420870Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Pulse propagation in tapered granular chains: An analytic study","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.soft","authors_text":"Alexandre Rosas, Katja Lindenberg, Massimiliano Esposito, Upendra Harbola","submitted_at":"2009-05-27T20:35:01Z","abstract_excerpt":"We study pulse propagation in one-dimensional tapered chains of spherical granules. Analytic results for the pulse velocity and other pulse features are obtained using a binary collision approximation. Comparisons with numerical results show that the binary collision approximation provides quantitatively accurate analytic results for these chains."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0905.4512","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":"0905.4512","created_at":"2026-05-18T02:13:31.420980+00:00"},{"alias_kind":"arxiv_version","alias_value":"0905.4512v1","created_at":"2026-05-18T02:13:31.420980+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0905.4512","created_at":"2026-05-18T02:13:31.420980+00:00"},{"alias_kind":"pith_short_12","alias_value":"WMSN4PB4N3UX","created_at":"2026-05-18T12:26:02.257875+00:00"},{"alias_kind":"pith_short_16","alias_value":"WMSN4PB4N3UXHMBO","created_at":"2026-05-18T12:26:02.257875+00:00"},{"alias_kind":"pith_short_8","alias_value":"WMSN4PB4","created_at":"2026-05-18T12:26:02.257875+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/WMSN4PB4N3UXHMBO24GYIW2QM4","json":"https://pith.science/pith/WMSN4PB4N3UXHMBO24GYIW2QM4.json","graph_json":"https://pith.science/api/pith-number/WMSN4PB4N3UXHMBO24GYIW2QM4/graph.json","events_json":"https://pith.science/api/pith-number/WMSN4PB4N3UXHMBO24GYIW2QM4/events.json","paper":"https://pith.science/paper/WMSN4PB4"},"agent_actions":{"view_html":"https://pith.science/pith/WMSN4PB4N3UXHMBO24GYIW2QM4","download_json":"https://pith.science/pith/WMSN4PB4N3UXHMBO24GYIW2QM4.json","view_paper":"https://pith.science/paper/WMSN4PB4","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=0905.4512&json=true","fetch_graph":"https://pith.science/api/pith-number/WMSN4PB4N3UXHMBO24GYIW2QM4/graph.json","fetch_events":"https://pith.science/api/pith-number/WMSN4PB4N3UXHMBO24GYIW2QM4/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/WMSN4PB4N3UXHMBO24GYIW2QM4/action/timestamp_anchor","attest_storage":"https://pith.science/pith/WMSN4PB4N3UXHMBO24GYIW2QM4/action/storage_attestation","attest_author":"https://pith.science/pith/WMSN4PB4N3UXHMBO24GYIW2QM4/action/author_attestation","sign_citation":"https://pith.science/pith/WMSN4PB4N3UXHMBO24GYIW2QM4/action/citation_signature","submit_replication":"https://pith.science/pith/WMSN4PB4N3UXHMBO24GYIW2QM4/action/replication_record"}},"created_at":"2026-05-18T02:13:31.420980+00:00","updated_at":"2026-05-18T02:13:31.420980+00:00"}