{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:RRA26MFFVOVHHDXNOPTYH6CR2J","short_pith_number":"pith:RRA26MFF","canonical_record":{"source":{"id":"1807.11519","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2018-07-30T18:27:49Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"6d76ee5aea843450b191642aaa65f068d93888202605d64f610e8627ca8b1974","abstract_canon_sha256":"0807eee425087e20cc5a758ecce386592bcd45c3955b07912fdaeaaf8ea59668"},"schema_version":"1.0"},"canonical_sha256":"8c41af30a5abaa738eed73e783f851d26e7d7a7c1855664f81e32527483281f4","source":{"kind":"arxiv","id":"1807.11519","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1807.11519","created_at":"2026-05-17T23:57:57Z"},{"alias_kind":"arxiv_version","alias_value":"1807.11519v1","created_at":"2026-05-17T23:57:57Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1807.11519","created_at":"2026-05-17T23:57:57Z"},{"alias_kind":"pith_short_12","alias_value":"RRA26MFFVOVH","created_at":"2026-05-18T12:32:50Z"},{"alias_kind":"pith_short_16","alias_value":"RRA26MFFVOVHHDXN","created_at":"2026-05-18T12:32:50Z"},{"alias_kind":"pith_short_8","alias_value":"RRA26MFF","created_at":"2026-05-18T12:32:50Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:RRA26MFFVOVHHDXNOPTYH6CR2J","target":"record","payload":{"canonical_record":{"source":{"id":"1807.11519","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2018-07-30T18:27:49Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"6d76ee5aea843450b191642aaa65f068d93888202605d64f610e8627ca8b1974","abstract_canon_sha256":"0807eee425087e20cc5a758ecce386592bcd45c3955b07912fdaeaaf8ea59668"},"schema_version":"1.0"},"canonical_sha256":"8c41af30a5abaa738eed73e783f851d26e7d7a7c1855664f81e32527483281f4","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:57:57.299978Z","signature_b64":"3pnR2hKFOBk3z7uK5jR0H+u6JBfzbKpZzfHDVUrbBnKW8O3nzovmxT6jztjhhHdT0kifDM/G1yRm+Wpnwh1iBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8c41af30a5abaa738eed73e783f851d26e7d7a7c1855664f81e32527483281f4","last_reissued_at":"2026-05-17T23:57:57.299333Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:57:57.299333Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1807.11519","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":"2026-05-17T23:57:57Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"cdZW3YtrO7wStH/cWx8NAr5annaA42zVGTkBfX5IVw+DU465ATFKIJS27FDmQeY6CAazCybWoUV+PfnzDEzwBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-10T11:59:54.385250Z"},"content_sha256":"0a9a646405196b9cddb68a4b3734ae7cec1062c3a0df44ff0a6c7b3d10fb5308","schema_version":"1.0","event_id":"sha256:0a9a646405196b9cddb68a4b3734ae7cec1062c3a0df44ff0a6c7b3d10fb5308"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:RRA26MFFVOVHHDXNOPTYH6CR2J","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Quasi-static incremental behavior of granular materials: elastic-plastic coupling and micro-scale dissipation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mtrl-sci"],"primary_cat":"cond-mat.soft","authors_text":"Ali Daouadji, Matthew R. Kuhn","submitted_at":"2018-07-30T18:27:49Z","abstract_excerpt":"The paper addresses a common assumption of elastoplastic modeling: that the recoverable, elastic strain increment is unaffected by alterations of the elastic moduli that accompany loading. This assumption is found to be false for a granular material, and discrete element (DEM) simulations demonstrate that granular materials are coupled materials at both micro- and macro-scales. Elasto-plastic coupling at the macro-scale is placed in the context of thermomechanics framework of Tomasz Hueckel and Hans Ziegler, in which the elastic moduli are altered by irreversible processes during loading. This"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1807.11519","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":"2026-05-17T23:57:57Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"bq0dNbqcKVDD5z2TthkL13R97bSfhV0NIRIkXDUWIqDjSdVySGsCT0XHOhQ2voCvAA5eZhYYdv8uZEa8DVFCBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-10T11:59:54.385937Z"},"content_sha256":"4e6d3975c8d44b0e31215f913ba5d3f6b1ba7df007cb7561e75187f290d883b8","schema_version":"1.0","event_id":"sha256:4e6d3975c8d44b0e31215f913ba5d3f6b1ba7df007cb7561e75187f290d883b8"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/RRA26MFFVOVHHDXNOPTYH6CR2J/bundle.json","state_url":"https://pith.science/pith/RRA26MFFVOVHHDXNOPTYH6CR2J/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/RRA26MFFVOVHHDXNOPTYH6CR2J/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":"2026-06-10T11:59:54Z","links":{"resolver":"https://pith.science/pith/RRA26MFFVOVHHDXNOPTYH6CR2J","bundle":"https://pith.science/pith/RRA26MFFVOVHHDXNOPTYH6CR2J/bundle.json","state":"https://pith.science/pith/RRA26MFFVOVHHDXNOPTYH6CR2J/state.json","well_known_bundle":"https://pith.science/.well-known/pith/RRA26MFFVOVHHDXNOPTYH6CR2J/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:RRA26MFFVOVHHDXNOPTYH6CR2J","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":"0807eee425087e20cc5a758ecce386592bcd45c3955b07912fdaeaaf8ea59668","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2018-07-30T18:27:49Z","title_canon_sha256":"6d76ee5aea843450b191642aaa65f068d93888202605d64f610e8627ca8b1974"},"schema_version":"1.0","source":{"id":"1807.11519","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1807.11519","created_at":"2026-05-17T23:57:57Z"},{"alias_kind":"arxiv_version","alias_value":"1807.11519v1","created_at":"2026-05-17T23:57:57Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1807.11519","created_at":"2026-05-17T23:57:57Z"},{"alias_kind":"pith_short_12","alias_value":"RRA26MFFVOVH","created_at":"2026-05-18T12:32:50Z"},{"alias_kind":"pith_short_16","alias_value":"RRA26MFFVOVHHDXN","created_at":"2026-05-18T12:32:50Z"},{"alias_kind":"pith_short_8","alias_value":"RRA26MFF","created_at":"2026-05-18T12:32:50Z"}],"graph_snapshots":[{"event_id":"sha256:4e6d3975c8d44b0e31215f913ba5d3f6b1ba7df007cb7561e75187f290d883b8","target":"graph","created_at":"2026-05-17T23:57:57Z","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 paper addresses a common assumption of elastoplastic modeling: that the recoverable, elastic strain increment is unaffected by alterations of the elastic moduli that accompany loading. This assumption is found to be false for a granular material, and discrete element (DEM) simulations demonstrate that granular materials are coupled materials at both micro- and macro-scales. Elasto-plastic coupling at the macro-scale is placed in the context of thermomechanics framework of Tomasz Hueckel and Hans Ziegler, in which the elastic moduli are altered by irreversible processes during loading. This","authors_text":"Ali Daouadji, Matthew R. Kuhn","cross_cats":["cond-mat.mtrl-sci"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2018-07-30T18:27:49Z","title":"Quasi-static incremental behavior of granular materials: elastic-plastic coupling and micro-scale dissipation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1807.11519","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":"sha256:0a9a646405196b9cddb68a4b3734ae7cec1062c3a0df44ff0a6c7b3d10fb5308","target":"record","created_at":"2026-05-17T23:57:57Z","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":"0807eee425087e20cc5a758ecce386592bcd45c3955b07912fdaeaaf8ea59668","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2018-07-30T18:27:49Z","title_canon_sha256":"6d76ee5aea843450b191642aaa65f068d93888202605d64f610e8627ca8b1974"},"schema_version":"1.0","source":{"id":"1807.11519","kind":"arxiv","version":1}},"canonical_sha256":"8c41af30a5abaa738eed73e783f851d26e7d7a7c1855664f81e32527483281f4","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8c41af30a5abaa738eed73e783f851d26e7d7a7c1855664f81e32527483281f4","first_computed_at":"2026-05-17T23:57:57.299333Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:57:57.299333Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"3pnR2hKFOBk3z7uK5jR0H+u6JBfzbKpZzfHDVUrbBnKW8O3nzovmxT6jztjhhHdT0kifDM/G1yRm+Wpnwh1iBw==","signature_status":"signed_v1","signed_at":"2026-05-17T23:57:57.299978Z","signed_message":"canonical_sha256_bytes"},"source_id":"1807.11519","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0a9a646405196b9cddb68a4b3734ae7cec1062c3a0df44ff0a6c7b3d10fb5308","sha256:4e6d3975c8d44b0e31215f913ba5d3f6b1ba7df007cb7561e75187f290d883b8"],"state_sha256":"b5757dcc5be338f8f2fb482a2d57e78208124ab33a5f9c5b8ad5d9f8f333907e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mrcRBHFod2U0MBOq6EetAgxINK44ce0robzmI+RP2A3Ygf7n0sfLyPfbUWhpXAvOIn6YlbfySMzF7wT0oVyXCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-10T11:59:54.390555Z","bundle_sha256":"d484dcb63aafee164c6124fbb8f9d45a0645f0b986634078f5f363ae2d880ec8"}}