{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:6U44ZEZUSY4CWL5JYPWEHZ2PCK","short_pith_number":"pith:6U44ZEZU","canonical_record":{"source":{"id":"1307.1227","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.dis-nn","submitted_at":"2013-07-04T07:22:03Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"00731b28d39e9afd883e83566d40cb91820a239294a9fd2ae7dda0cd463a52f3","abstract_canon_sha256":"d1027ed793d7dd2699f161145369bbf474080bf9cba3539985220bb671d83daa"},"schema_version":"1.0"},"canonical_sha256":"f539cc933496382b2fa9c3ec43e74f1280f733a0ecfd05d8279763571b4451d8","source":{"kind":"arxiv","id":"1307.1227","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1307.1227","created_at":"2026-05-18T01:48:59Z"},{"alias_kind":"arxiv_version","alias_value":"1307.1227v1","created_at":"2026-05-18T01:48:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1307.1227","created_at":"2026-05-18T01:48:59Z"},{"alias_kind":"pith_short_12","alias_value":"6U44ZEZUSY4C","created_at":"2026-05-18T12:27:36Z"},{"alias_kind":"pith_short_16","alias_value":"6U44ZEZUSY4CWL5J","created_at":"2026-05-18T12:27:36Z"},{"alias_kind":"pith_short_8","alias_value":"6U44ZEZU","created_at":"2026-05-18T12:27:36Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:6U44ZEZUSY4CWL5JYPWEHZ2PCK","target":"record","payload":{"canonical_record":{"source":{"id":"1307.1227","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.dis-nn","submitted_at":"2013-07-04T07:22:03Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"00731b28d39e9afd883e83566d40cb91820a239294a9fd2ae7dda0cd463a52f3","abstract_canon_sha256":"d1027ed793d7dd2699f161145369bbf474080bf9cba3539985220bb671d83daa"},"schema_version":"1.0"},"canonical_sha256":"f539cc933496382b2fa9c3ec43e74f1280f733a0ecfd05d8279763571b4451d8","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:48:59.882534Z","signature_b64":"CnQy8rQC1/An9Thm0w5vrXPHIIB7l1nHZQjLQHMfHLioLeCnV3yisTcuOFtiy2J8Ax59wR0pxLRnNJROThVsAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f539cc933496382b2fa9c3ec43e74f1280f733a0ecfd05d8279763571b4451d8","last_reissued_at":"2026-05-18T01:48:59.881889Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:48:59.881889Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1307.1227","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":"2026-05-18T01:48:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"w/vrdz8BaWFLmLX/7PBquhnnru4jqyXcPDXxrd+uqhM37Mxzmjy4btL2wlA0TRyD49ovOSKhb4LB83OteLSnAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T13:16:47.372469Z"},"content_sha256":"dc23cce63165168fcaf3ba40dd8225e64986984de01539e54a516e5d112d5d87","schema_version":"1.0","event_id":"sha256:dc23cce63165168fcaf3ba40dd8225e64986984de01539e54a516e5d112d5d87"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:6U44ZEZUSY4CWL5JYPWEHZ2PCK","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Role of the sample thickness in planar crack propagation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mtrl-sci"],"primary_cat":"cond-mat.dis-nn","authors_text":"Mikko J. Alava, Pallab Barai, Phani K. V. V. Nukala, Stefano Zapperi","submitted_at":"2013-07-04T07:22:03Z","abstract_excerpt":"We study the effect of the sample thickness in planar crack front propagation in a disordered elastic medium using the random fuse model. We employ different loading conditions and we test their stability with respect to crack growth. We show that the thickness induces characteristic lengths in the stress enhancement factor in front of the crack and in the stress transfer function parallel to the crack. This is reflected by a thickness-dependent crossover scale in the crack front morphology that goes from from multi-scaling to self-affine with exponents in agreement with line depinning models "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1307.1227","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":"2026-05-18T01:48:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"u9LB6yM+/4CBK1rWU/U+OHQjZJaRCUJMwx9oVSrFBYcV3WL4RuAkn+zAAywY0DA8g3vERZIkV9cDg6PAZdRMBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T13:16:47.373384Z"},"content_sha256":"caa4a1b17855d561e07140ca5feb78df6ebf8c78c56c56f0df9dadafafa4daf9","schema_version":"1.0","event_id":"sha256:caa4a1b17855d561e07140ca5feb78df6ebf8c78c56c56f0df9dadafafa4daf9"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/6U44ZEZUSY4CWL5JYPWEHZ2PCK/bundle.json","state_url":"https://pith.science/pith/6U44ZEZUSY4CWL5JYPWEHZ2PCK/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/6U44ZEZUSY4CWL5JYPWEHZ2PCK/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":"2026-05-30T13:16:47Z","links":{"resolver":"https://pith.science/pith/6U44ZEZUSY4CWL5JYPWEHZ2PCK","bundle":"https://pith.science/pith/6U44ZEZUSY4CWL5JYPWEHZ2PCK/bundle.json","state":"https://pith.science/pith/6U44ZEZUSY4CWL5JYPWEHZ2PCK/state.json","well_known_bundle":"https://pith.science/.well-known/pith/6U44ZEZUSY4CWL5JYPWEHZ2PCK/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:6U44ZEZUSY4CWL5JYPWEHZ2PCK","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":"d1027ed793d7dd2699f161145369bbf474080bf9cba3539985220bb671d83daa","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.dis-nn","submitted_at":"2013-07-04T07:22:03Z","title_canon_sha256":"00731b28d39e9afd883e83566d40cb91820a239294a9fd2ae7dda0cd463a52f3"},"schema_version":"1.0","source":{"id":"1307.1227","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1307.1227","created_at":"2026-05-18T01:48:59Z"},{"alias_kind":"arxiv_version","alias_value":"1307.1227v1","created_at":"2026-05-18T01:48:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1307.1227","created_at":"2026-05-18T01:48:59Z"},{"alias_kind":"pith_short_12","alias_value":"6U44ZEZUSY4C","created_at":"2026-05-18T12:27:36Z"},{"alias_kind":"pith_short_16","alias_value":"6U44ZEZUSY4CWL5J","created_at":"2026-05-18T12:27:36Z"},{"alias_kind":"pith_short_8","alias_value":"6U44ZEZU","created_at":"2026-05-18T12:27:36Z"}],"graph_snapshots":[{"event_id":"sha256:caa4a1b17855d561e07140ca5feb78df6ebf8c78c56c56f0df9dadafafa4daf9","target":"graph","created_at":"2026-05-18T01:48:59Z","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":"We study the effect of the sample thickness in planar crack front propagation in a disordered elastic medium using the random fuse model. We employ different loading conditions and we test their stability with respect to crack growth. We show that the thickness induces characteristic lengths in the stress enhancement factor in front of the crack and in the stress transfer function parallel to the crack. This is reflected by a thickness-dependent crossover scale in the crack front morphology that goes from from multi-scaling to self-affine with exponents in agreement with line depinning models ","authors_text":"Mikko J. Alava, Pallab Barai, Phani K. V. V. Nukala, Stefano Zapperi","cross_cats":["cond-mat.mtrl-sci"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.dis-nn","submitted_at":"2013-07-04T07:22:03Z","title":"Role of the sample thickness in planar crack propagation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1307.1227","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:dc23cce63165168fcaf3ba40dd8225e64986984de01539e54a516e5d112d5d87","target":"record","created_at":"2026-05-18T01:48:59Z","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":"d1027ed793d7dd2699f161145369bbf474080bf9cba3539985220bb671d83daa","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.dis-nn","submitted_at":"2013-07-04T07:22:03Z","title_canon_sha256":"00731b28d39e9afd883e83566d40cb91820a239294a9fd2ae7dda0cd463a52f3"},"schema_version":"1.0","source":{"id":"1307.1227","kind":"arxiv","version":1}},"canonical_sha256":"f539cc933496382b2fa9c3ec43e74f1280f733a0ecfd05d8279763571b4451d8","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f539cc933496382b2fa9c3ec43e74f1280f733a0ecfd05d8279763571b4451d8","first_computed_at":"2026-05-18T01:48:59.881889Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:48:59.881889Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"CnQy8rQC1/An9Thm0w5vrXPHIIB7l1nHZQjLQHMfHLioLeCnV3yisTcuOFtiy2J8Ax59wR0pxLRnNJROThVsAw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:48:59.882534Z","signed_message":"canonical_sha256_bytes"},"source_id":"1307.1227","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:dc23cce63165168fcaf3ba40dd8225e64986984de01539e54a516e5d112d5d87","sha256:caa4a1b17855d561e07140ca5feb78df6ebf8c78c56c56f0df9dadafafa4daf9"],"state_sha256":"417e21785a627723546f7eea6847867d3aaecd986de5f2e869417cde83f9e5c6"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"m2GT0bbUetZCWa7v7A0zunRJzpET/6zsgkTxwx0qzEO5OFbO8q1papqDRIMmeFRNJxNpypjBtNLSalJHRWQ+Dg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T13:16:47.378107Z","bundle_sha256":"9a3aeb6a096a0a8dbcd2c0d5077d941f3988e52b1a8572c745fb2e875e6d336a"}}