{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:XQOMDMWZ6ZD7KMBH2P7BIAHKBJ","short_pith_number":"pith:XQOMDMWZ","canonical_record":{"source":{"id":"1406.1301","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2014-06-05T09:08:38Z","cross_cats_sorted":[],"title_canon_sha256":"9e552d50e6f0d8839882e8ef48d93637241ef24a89865b8e8dbde7c93de6860e","abstract_canon_sha256":"95cf114a772f5249cb70af0bc995803d0f6a9e5b9f2267c0ab01893bd9c90401"},"schema_version":"1.0"},"canonical_sha256":"bc1cc1b2d9f647f53027d3fe1400ea0a7f32cfca7b52ab2b833484921623c44e","source":{"kind":"arxiv","id":"1406.1301","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1406.1301","created_at":"2026-05-18T02:45:39Z"},{"alias_kind":"arxiv_version","alias_value":"1406.1301v1","created_at":"2026-05-18T02:45:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1406.1301","created_at":"2026-05-18T02:45:39Z"},{"alias_kind":"pith_short_12","alias_value":"XQOMDMWZ6ZD7","created_at":"2026-05-18T12:28:57Z"},{"alias_kind":"pith_short_16","alias_value":"XQOMDMWZ6ZD7KMBH","created_at":"2026-05-18T12:28:57Z"},{"alias_kind":"pith_short_8","alias_value":"XQOMDMWZ","created_at":"2026-05-18T12:28:57Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:XQOMDMWZ6ZD7KMBH2P7BIAHKBJ","target":"record","payload":{"canonical_record":{"source":{"id":"1406.1301","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2014-06-05T09:08:38Z","cross_cats_sorted":[],"title_canon_sha256":"9e552d50e6f0d8839882e8ef48d93637241ef24a89865b8e8dbde7c93de6860e","abstract_canon_sha256":"95cf114a772f5249cb70af0bc995803d0f6a9e5b9f2267c0ab01893bd9c90401"},"schema_version":"1.0"},"canonical_sha256":"bc1cc1b2d9f647f53027d3fe1400ea0a7f32cfca7b52ab2b833484921623c44e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:45:39.340500Z","signature_b64":"hxqDKD6hHvbwDjyS3rME8RFhDuUYfV5B+/5AocRO9RjeFhYuLoX7htHeTN+RMpGpJQChtRqZa7XoAh2VVIqCAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"bc1cc1b2d9f647f53027d3fe1400ea0a7f32cfca7b52ab2b833484921623c44e","last_reissued_at":"2026-05-18T02:45:39.339952Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:45:39.339952Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1406.1301","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":"2026-05-18T02:45:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/6LONImK39Hj5/Kixl1wlowELkgLfgmBq+Fkv7xJfZ7PEPK3jiuvtEniMBO79EGfjbrv8bi0/dbs3e3etA1hDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-22T04:59:57.663569Z"},"content_sha256":"f9c99c15a5b8994bf38d30843e6e747b8039c6fc998cd94d80b4c1a4fdeec240","schema_version":"1.0","event_id":"sha256:f9c99c15a5b8994bf38d30843e6e747b8039c6fc998cd94d80b4c1a4fdeec240"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:XQOMDMWZ6ZD7KMBH2P7BIAHKBJ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Effects of grain shape on packing and dilatancy of sheared granular materials","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.soft","authors_text":"Axel Boese, Bal\\'azs Szab\\'o, Ell\\'ak Somfai, Georg Rose, Ralf Stannarius, Sandra Wegner, Tam\\'as B\\\"orzs\\\"onyi","submitted_at":"2014-06-05T09:08:38Z","abstract_excerpt":"Granular material exposed to shear shows a variety of unique phenomena: Reynolds dilatancy, positional order and orientational order effects may compete in the shear zone. We study granular packings consisting of macroscopic prolate, oblate and spherical grains and compare their behaviour. X-ray tomography is used to determine the particle positions and orientations in a cylindrical split bottom shear cell. Packing densities and the arrangements of individual particles in the shear zone are evaluated. For anisometric particles, we observe the competition of two opposite effects. One the one ha"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1406.1301","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":"2026-05-18T02:45:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/NH29UpyHGw6b4kd3SbL0NZRw2ZRhuhSFY7dkv3cm191JBganqarXExWML7pQX1izBR6HBPqu4zKw89kfOaBAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-22T04:59:57.664184Z"},"content_sha256":"e4e3429e9c60cfa10052401750f8156019fbdc8e4f2b3c55afa1a28aa203580d","schema_version":"1.0","event_id":"sha256:e4e3429e9c60cfa10052401750f8156019fbdc8e4f2b3c55afa1a28aa203580d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/XQOMDMWZ6ZD7KMBH2P7BIAHKBJ/bundle.json","state_url":"https://pith.science/pith/XQOMDMWZ6ZD7KMBH2P7BIAHKBJ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/XQOMDMWZ6ZD7KMBH2P7BIAHKBJ/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":"2026-05-22T04:59:57Z","links":{"resolver":"https://pith.science/pith/XQOMDMWZ6ZD7KMBH2P7BIAHKBJ","bundle":"https://pith.science/pith/XQOMDMWZ6ZD7KMBH2P7BIAHKBJ/bundle.json","state":"https://pith.science/pith/XQOMDMWZ6ZD7KMBH2P7BIAHKBJ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/XQOMDMWZ6ZD7KMBH2P7BIAHKBJ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:XQOMDMWZ6ZD7KMBH2P7BIAHKBJ","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":"95cf114a772f5249cb70af0bc995803d0f6a9e5b9f2267c0ab01893bd9c90401","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2014-06-05T09:08:38Z","title_canon_sha256":"9e552d50e6f0d8839882e8ef48d93637241ef24a89865b8e8dbde7c93de6860e"},"schema_version":"1.0","source":{"id":"1406.1301","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1406.1301","created_at":"2026-05-18T02:45:39Z"},{"alias_kind":"arxiv_version","alias_value":"1406.1301v1","created_at":"2026-05-18T02:45:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1406.1301","created_at":"2026-05-18T02:45:39Z"},{"alias_kind":"pith_short_12","alias_value":"XQOMDMWZ6ZD7","created_at":"2026-05-18T12:28:57Z"},{"alias_kind":"pith_short_16","alias_value":"XQOMDMWZ6ZD7KMBH","created_at":"2026-05-18T12:28:57Z"},{"alias_kind":"pith_short_8","alias_value":"XQOMDMWZ","created_at":"2026-05-18T12:28:57Z"}],"graph_snapshots":[{"event_id":"sha256:e4e3429e9c60cfa10052401750f8156019fbdc8e4f2b3c55afa1a28aa203580d","target":"graph","created_at":"2026-05-18T02:45:39Z","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":"Granular material exposed to shear shows a variety of unique phenomena: Reynolds dilatancy, positional order and orientational order effects may compete in the shear zone. We study granular packings consisting of macroscopic prolate, oblate and spherical grains and compare their behaviour. X-ray tomography is used to determine the particle positions and orientations in a cylindrical split bottom shear cell. Packing densities and the arrangements of individual particles in the shear zone are evaluated. For anisometric particles, we observe the competition of two opposite effects. One the one ha","authors_text":"Axel Boese, Bal\\'azs Szab\\'o, Ell\\'ak Somfai, Georg Rose, Ralf Stannarius, Sandra Wegner, Tam\\'as B\\\"orzs\\\"onyi","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2014-06-05T09:08:38Z","title":"Effects of grain shape on packing and dilatancy of sheared granular materials"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1406.1301","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:f9c99c15a5b8994bf38d30843e6e747b8039c6fc998cd94d80b4c1a4fdeec240","target":"record","created_at":"2026-05-18T02:45:39Z","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":"95cf114a772f5249cb70af0bc995803d0f6a9e5b9f2267c0ab01893bd9c90401","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2014-06-05T09:08:38Z","title_canon_sha256":"9e552d50e6f0d8839882e8ef48d93637241ef24a89865b8e8dbde7c93de6860e"},"schema_version":"1.0","source":{"id":"1406.1301","kind":"arxiv","version":1}},"canonical_sha256":"bc1cc1b2d9f647f53027d3fe1400ea0a7f32cfca7b52ab2b833484921623c44e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"bc1cc1b2d9f647f53027d3fe1400ea0a7f32cfca7b52ab2b833484921623c44e","first_computed_at":"2026-05-18T02:45:39.339952Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:45:39.339952Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"hxqDKD6hHvbwDjyS3rME8RFhDuUYfV5B+/5AocRO9RjeFhYuLoX7htHeTN+RMpGpJQChtRqZa7XoAh2VVIqCAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:45:39.340500Z","signed_message":"canonical_sha256_bytes"},"source_id":"1406.1301","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f9c99c15a5b8994bf38d30843e6e747b8039c6fc998cd94d80b4c1a4fdeec240","sha256:e4e3429e9c60cfa10052401750f8156019fbdc8e4f2b3c55afa1a28aa203580d"],"state_sha256":"f02b15902210f319cc39088838ef4f1e9a632fc752b324ad39d7a3729028ded3"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Ntn4mWxtxIO+XD2+VQ7INZtv0thfIaBoIDOM259RSRUKWPifxuLJeO+qQsR3n8EIFdYw7QMs+jYgt5L0ShtzBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-22T04:59:57.668102Z","bundle_sha256":"5eb9cd548039664371cd636ae072642dc8993d5db39974e5d7791b63bb781d1a"}}