{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:QYFCIJSJAHCZ4EEUEWGQ2A6VII","short_pith_number":"pith:QYFCIJSJ","canonical_record":{"source":{"id":"1401.1564","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2014-01-08T02:16:54Z","cross_cats_sorted":[],"title_canon_sha256":"1a2cb43bbcc8691fe144dfc88a24836bae6f7ae405081a469ab604195e9a7298","abstract_canon_sha256":"9c818264a8f4969e017476fe9c02983bc90732f025eb3f08407c3366b0df98eb"},"schema_version":"1.0"},"canonical_sha256":"860a24264901c59e1094258d0d03d5420f77501b91ae1642e3170264b675fcd0","source":{"kind":"arxiv","id":"1401.1564","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1401.1564","created_at":"2026-05-18T02:47:15Z"},{"alias_kind":"arxiv_version","alias_value":"1401.1564v2","created_at":"2026-05-18T02:47:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1401.1564","created_at":"2026-05-18T02:47:15Z"},{"alias_kind":"pith_short_12","alias_value":"QYFCIJSJAHCZ","created_at":"2026-05-18T12:28:46Z"},{"alias_kind":"pith_short_16","alias_value":"QYFCIJSJAHCZ4EEU","created_at":"2026-05-18T12:28:46Z"},{"alias_kind":"pith_short_8","alias_value":"QYFCIJSJ","created_at":"2026-05-18T12:28:46Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:QYFCIJSJAHCZ4EEUEWGQ2A6VII","target":"record","payload":{"canonical_record":{"source":{"id":"1401.1564","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2014-01-08T02:16:54Z","cross_cats_sorted":[],"title_canon_sha256":"1a2cb43bbcc8691fe144dfc88a24836bae6f7ae405081a469ab604195e9a7298","abstract_canon_sha256":"9c818264a8f4969e017476fe9c02983bc90732f025eb3f08407c3366b0df98eb"},"schema_version":"1.0"},"canonical_sha256":"860a24264901c59e1094258d0d03d5420f77501b91ae1642e3170264b675fcd0","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:47:15.726230Z","signature_b64":"joFWE/P249zaR32vB0ojyBjVd3V6lFBeuO7NnZQt3a7l5vsQPw1q+3dx68dKLP/4i5QsqF+nVo0JoQe5ww2NCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"860a24264901c59e1094258d0d03d5420f77501b91ae1642e3170264b675fcd0","last_reissued_at":"2026-05-18T02:47:15.725621Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:47:15.725621Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1401.1564","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T02:47:15Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"tpzQMT6ndIslayBUeq9qaRO3j0KJMAPEjzPIaD5YvwuTFMmE6xSNLgP6sIrdi1R8eMmLF6Sp+SeISpoBaYZzAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-23T02:39:00.723209Z"},"content_sha256":"387f209e0a78296cd7965a2eca0b370ceb9a30a55ded215cb6336d558585e222","schema_version":"1.0","event_id":"sha256:387f209e0a78296cd7965a2eca0b370ceb9a30a55ded215cb6336d558585e222"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:QYFCIJSJAHCZ4EEUEWGQ2A6VII","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Nonlinear Elasticity of Flow-Stabilized Solids","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.soft","authors_text":"Carlos P. Ortiz, Karen E. Daniels, Robert Riehn","submitted_at":"2014-01-08T02:16:54Z","abstract_excerpt":"Thermal fluctuations, geometric exclusion, and external driving all govern the mechanical response of dense particulate suspensions. Here, we measure the stress-strain response of quasi-two-dimensional flow-stabilized microsphere heaps in a regime in which all three effects are present using a microfluidic device. We observe that the elastic modulus and the mean interparticle separation of the heaps are tunable via the confining stress provided by the fluid flow. Furthermore, the measured stress-strain curves exhibit a universal nonlinear shape which can be predicted from a thermal van der Waa"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1401.1564","kind":"arxiv","version":2},"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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T02:47:15Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"XMq14jgz9y/H7le4eiYC0nfMc+KWoaj5OU62xW5Gm48zoNbWBuF/RcG7qdZoTV/21NsfE+rVnxtuuE+CruVHAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-23T02:39:00.723773Z"},"content_sha256":"72200f04399eac92bc791f3fe8f77b60d13daa9e86d3866cef31deb24bd82db5","schema_version":"1.0","event_id":"sha256:72200f04399eac92bc791f3fe8f77b60d13daa9e86d3866cef31deb24bd82db5"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/QYFCIJSJAHCZ4EEUEWGQ2A6VII/bundle.json","state_url":"https://pith.science/pith/QYFCIJSJAHCZ4EEUEWGQ2A6VII/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/QYFCIJSJAHCZ4EEUEWGQ2A6VII/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-06-23T02:39:00Z","links":{"resolver":"https://pith.science/pith/QYFCIJSJAHCZ4EEUEWGQ2A6VII","bundle":"https://pith.science/pith/QYFCIJSJAHCZ4EEUEWGQ2A6VII/bundle.json","state":"https://pith.science/pith/QYFCIJSJAHCZ4EEUEWGQ2A6VII/state.json","well_known_bundle":"https://pith.science/.well-known/pith/QYFCIJSJAHCZ4EEUEWGQ2A6VII/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:QYFCIJSJAHCZ4EEUEWGQ2A6VII","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":"9c818264a8f4969e017476fe9c02983bc90732f025eb3f08407c3366b0df98eb","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2014-01-08T02:16:54Z","title_canon_sha256":"1a2cb43bbcc8691fe144dfc88a24836bae6f7ae405081a469ab604195e9a7298"},"schema_version":"1.0","source":{"id":"1401.1564","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1401.1564","created_at":"2026-05-18T02:47:15Z"},{"alias_kind":"arxiv_version","alias_value":"1401.1564v2","created_at":"2026-05-18T02:47:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1401.1564","created_at":"2026-05-18T02:47:15Z"},{"alias_kind":"pith_short_12","alias_value":"QYFCIJSJAHCZ","created_at":"2026-05-18T12:28:46Z"},{"alias_kind":"pith_short_16","alias_value":"QYFCIJSJAHCZ4EEU","created_at":"2026-05-18T12:28:46Z"},{"alias_kind":"pith_short_8","alias_value":"QYFCIJSJ","created_at":"2026-05-18T12:28:46Z"}],"graph_snapshots":[{"event_id":"sha256:72200f04399eac92bc791f3fe8f77b60d13daa9e86d3866cef31deb24bd82db5","target":"graph","created_at":"2026-05-18T02:47:15Z","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":"Thermal fluctuations, geometric exclusion, and external driving all govern the mechanical response of dense particulate suspensions. Here, we measure the stress-strain response of quasi-two-dimensional flow-stabilized microsphere heaps in a regime in which all three effects are present using a microfluidic device. We observe that the elastic modulus and the mean interparticle separation of the heaps are tunable via the confining stress provided by the fluid flow. Furthermore, the measured stress-strain curves exhibit a universal nonlinear shape which can be predicted from a thermal van der Waa","authors_text":"Carlos P. Ortiz, Karen E. Daniels, Robert Riehn","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2014-01-08T02:16:54Z","title":"Nonlinear Elasticity of Flow-Stabilized Solids"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1401.1564","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":"sha256:387f209e0a78296cd7965a2eca0b370ceb9a30a55ded215cb6336d558585e222","target":"record","created_at":"2026-05-18T02:47:15Z","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":"9c818264a8f4969e017476fe9c02983bc90732f025eb3f08407c3366b0df98eb","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2014-01-08T02:16:54Z","title_canon_sha256":"1a2cb43bbcc8691fe144dfc88a24836bae6f7ae405081a469ab604195e9a7298"},"schema_version":"1.0","source":{"id":"1401.1564","kind":"arxiv","version":2}},"canonical_sha256":"860a24264901c59e1094258d0d03d5420f77501b91ae1642e3170264b675fcd0","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"860a24264901c59e1094258d0d03d5420f77501b91ae1642e3170264b675fcd0","first_computed_at":"2026-05-18T02:47:15.725621Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:47:15.725621Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"joFWE/P249zaR32vB0ojyBjVd3V6lFBeuO7NnZQt3a7l5vsQPw1q+3dx68dKLP/4i5QsqF+nVo0JoQe5ww2NCQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:47:15.726230Z","signed_message":"canonical_sha256_bytes"},"source_id":"1401.1564","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:387f209e0a78296cd7965a2eca0b370ceb9a30a55ded215cb6336d558585e222","sha256:72200f04399eac92bc791f3fe8f77b60d13daa9e86d3866cef31deb24bd82db5"],"state_sha256":"c6ae672c2dbfbc2349fe80e842b3434c2a37153954e50f73eb7575094562323a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2E43Oz9siSKA12eYaXZVxsCzmfFD6Bh8NmQayrICzpUvT4kym7yI7jsD1YTGOJmP5tY/6bH/iKoH9WwaZG7qAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-23T02:39:00.726486Z","bundle_sha256":"00da40d50392e3a73db14c490e7b34d556f45edc457fdcccd697f177465026a3"}}