{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:SWEPEJIYAVX7MF3M5IVMC5IOPN","short_pith_number":"pith:SWEPEJIY","canonical_record":{"source":{"id":"1610.06991","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2016-10-22T03:02:38Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"5c5d6c118e497846afd673029c4a8b3d36d868b2b2f861a0ce564ccdf35dce01","abstract_canon_sha256":"6b6620d9ac2a24f610dd005374ec46ff545f33eb8e31b422a3d2ee971a12f4f1"},"schema_version":"1.0"},"canonical_sha256":"9588f22518056ff6176cea2ac1750e7b71aee998f92abfa01148daef5523161f","source":{"kind":"arxiv","id":"1610.06991","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1610.06991","created_at":"2026-05-18T01:01:35Z"},{"alias_kind":"arxiv_version","alias_value":"1610.06991v1","created_at":"2026-05-18T01:01:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1610.06991","created_at":"2026-05-18T01:01:35Z"},{"alias_kind":"pith_short_12","alias_value":"SWEPEJIYAVX7","created_at":"2026-05-18T12:30:44Z"},{"alias_kind":"pith_short_16","alias_value":"SWEPEJIYAVX7MF3M","created_at":"2026-05-18T12:30:44Z"},{"alias_kind":"pith_short_8","alias_value":"SWEPEJIY","created_at":"2026-05-18T12:30:44Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:SWEPEJIYAVX7MF3M5IVMC5IOPN","target":"record","payload":{"canonical_record":{"source":{"id":"1610.06991","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2016-10-22T03:02:38Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"5c5d6c118e497846afd673029c4a8b3d36d868b2b2f861a0ce564ccdf35dce01","abstract_canon_sha256":"6b6620d9ac2a24f610dd005374ec46ff545f33eb8e31b422a3d2ee971a12f4f1"},"schema_version":"1.0"},"canonical_sha256":"9588f22518056ff6176cea2ac1750e7b71aee998f92abfa01148daef5523161f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:01:35.480144Z","signature_b64":"+GvcTIqwCiAqlWKWG7afUZEfDApZ+U9toshVQpzIX8QHMSe2OX6H+ku+ZvCG4zG1u2I+M24qEUxcS4NtjQaIDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9588f22518056ff6176cea2ac1750e7b71aee998f92abfa01148daef5523161f","last_reissued_at":"2026-05-18T01:01:35.479677Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:01:35.479677Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1610.06991","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:01:35Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"XOsdEwTD3u0v6UtLfC7Sl2BpWL8ikLSv1quzQqPKrXfdhA/Bt4NmcagB2ABQqcr9wrJ1PxupQIlXrD+fndJuCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T20:03:05.354893Z"},"content_sha256":"609f2ef4d3665640680e5bdd45d4809f1e70292e28b178db07207bc9bdd5ddbf","schema_version":"1.0","event_id":"sha256:609f2ef4d3665640680e5bdd45d4809f1e70292e28b178db07207bc9bdd5ddbf"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:SWEPEJIYAVX7MF3M5IVMC5IOPN","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Relating Microstructure and Particle-level Stress in Colloidal Crystals Under Increased Confinement","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mtrl-sci"],"primary_cat":"cond-mat.soft","authors_text":"Itai Cohen, Neil Y.C. Lin","submitted_at":"2016-10-22T03:02:38Z","abstract_excerpt":"The mechanical properties of crystalline materials can be substantially modified under confinement. Such modified macroscopic properties are usually governed by the altered microstructures and internal stress fields. Here, we use a parallel plate geometry to apply a quasi-static squeeze flow crushing a colloidal polycrystal while simultaneously imaging it with confocal microscopy. The confocal images are used to quantify the local structure order and, in conjunction with Stress Assessment from Local Structural Anisotropy (SALSA), determine the stress at the single-particle scale. We find that "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1610.06991","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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:01:35Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"onmihFoabM3Fo2L9D3qkmYXQFcHFV4vWa+6zyi9hWTijqh0F/JN0gUw03oFAiE9jAqI8uwQnlFOx766w1T0DDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T20:03:05.355429Z"},"content_sha256":"5abe841e1a43b9a6488ae56deef553ea2bf029a75bfeb53db7bf16badc8b00a8","schema_version":"1.0","event_id":"sha256:5abe841e1a43b9a6488ae56deef553ea2bf029a75bfeb53db7bf16badc8b00a8"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/SWEPEJIYAVX7MF3M5IVMC5IOPN/bundle.json","state_url":"https://pith.science/pith/SWEPEJIYAVX7MF3M5IVMC5IOPN/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/SWEPEJIYAVX7MF3M5IVMC5IOPN/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":"2026-05-30T20:03:05Z","links":{"resolver":"https://pith.science/pith/SWEPEJIYAVX7MF3M5IVMC5IOPN","bundle":"https://pith.science/pith/SWEPEJIYAVX7MF3M5IVMC5IOPN/bundle.json","state":"https://pith.science/pith/SWEPEJIYAVX7MF3M5IVMC5IOPN/state.json","well_known_bundle":"https://pith.science/.well-known/pith/SWEPEJIYAVX7MF3M5IVMC5IOPN/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:SWEPEJIYAVX7MF3M5IVMC5IOPN","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":"6b6620d9ac2a24f610dd005374ec46ff545f33eb8e31b422a3d2ee971a12f4f1","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2016-10-22T03:02:38Z","title_canon_sha256":"5c5d6c118e497846afd673029c4a8b3d36d868b2b2f861a0ce564ccdf35dce01"},"schema_version":"1.0","source":{"id":"1610.06991","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1610.06991","created_at":"2026-05-18T01:01:35Z"},{"alias_kind":"arxiv_version","alias_value":"1610.06991v1","created_at":"2026-05-18T01:01:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1610.06991","created_at":"2026-05-18T01:01:35Z"},{"alias_kind":"pith_short_12","alias_value":"SWEPEJIYAVX7","created_at":"2026-05-18T12:30:44Z"},{"alias_kind":"pith_short_16","alias_value":"SWEPEJIYAVX7MF3M","created_at":"2026-05-18T12:30:44Z"},{"alias_kind":"pith_short_8","alias_value":"SWEPEJIY","created_at":"2026-05-18T12:30:44Z"}],"graph_snapshots":[{"event_id":"sha256:5abe841e1a43b9a6488ae56deef553ea2bf029a75bfeb53db7bf16badc8b00a8","target":"graph","created_at":"2026-05-18T01:01:35Z","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":"The mechanical properties of crystalline materials can be substantially modified under confinement. Such modified macroscopic properties are usually governed by the altered microstructures and internal stress fields. Here, we use a parallel plate geometry to apply a quasi-static squeeze flow crushing a colloidal polycrystal while simultaneously imaging it with confocal microscopy. The confocal images are used to quantify the local structure order and, in conjunction with Stress Assessment from Local Structural Anisotropy (SALSA), determine the stress at the single-particle scale. We find that ","authors_text":"Itai Cohen, Neil Y.C. Lin","cross_cats":["cond-mat.mtrl-sci"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2016-10-22T03:02:38Z","title":"Relating Microstructure and Particle-level Stress in Colloidal Crystals Under Increased Confinement"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1610.06991","kind":"arxiv","version":1},"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":"sha256:609f2ef4d3665640680e5bdd45d4809f1e70292e28b178db07207bc9bdd5ddbf","target":"record","created_at":"2026-05-18T01:01:35Z","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":"6b6620d9ac2a24f610dd005374ec46ff545f33eb8e31b422a3d2ee971a12f4f1","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2016-10-22T03:02:38Z","title_canon_sha256":"5c5d6c118e497846afd673029c4a8b3d36d868b2b2f861a0ce564ccdf35dce01"},"schema_version":"1.0","source":{"id":"1610.06991","kind":"arxiv","version":1}},"canonical_sha256":"9588f22518056ff6176cea2ac1750e7b71aee998f92abfa01148daef5523161f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9588f22518056ff6176cea2ac1750e7b71aee998f92abfa01148daef5523161f","first_computed_at":"2026-05-18T01:01:35.479677Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:01:35.479677Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"+GvcTIqwCiAqlWKWG7afUZEfDApZ+U9toshVQpzIX8QHMSe2OX6H+ku+ZvCG4zG1u2I+M24qEUxcS4NtjQaIDQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:01:35.480144Z","signed_message":"canonical_sha256_bytes"},"source_id":"1610.06991","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:609f2ef4d3665640680e5bdd45d4809f1e70292e28b178db07207bc9bdd5ddbf","sha256:5abe841e1a43b9a6488ae56deef553ea2bf029a75bfeb53db7bf16badc8b00a8"],"state_sha256":"8cfba6f4901329f301feca01a3eff1b13f707fa30b4e76b0a62c1b319587a0e6"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"iXwhNNIfltKlL6lMHA93u4xgjISZcXccln/2o6OGMKbk4fvJMbVHUJlYg8kNF90eI02Aga5Xd+PIBwzCFrQmCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T20:03:05.359053Z","bundle_sha256":"8ffe84dc8d96fa00652844edb5f14452e238449723957590b83c24a0d459e419"}}