{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:MMTWY72N2TVM4X7QXNWSBFDKVZ","short_pith_number":"pith:MMTWY72N","canonical_record":{"source":{"id":"1302.3788","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2013-02-15T16:03:46Z","cross_cats_sorted":[],"title_canon_sha256":"276c1dd4b7a2662af77083e9dec04c05cc1f98d67439666b0c7bcf08a7a3b623","abstract_canon_sha256":"ee908bf44d06e0826e0f48f8a92375b8215a8af8e38b4356d4c5902af4ca2369"},"schema_version":"1.0"},"canonical_sha256":"63276c7f4dd4eace5ff0bb6d20946aae736a0aed76e757d6c67759a4763cd6f8","source":{"kind":"arxiv","id":"1302.3788","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1302.3788","created_at":"2026-05-18T03:15:45Z"},{"alias_kind":"arxiv_version","alias_value":"1302.3788v2","created_at":"2026-05-18T03:15:45Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1302.3788","created_at":"2026-05-18T03:15:45Z"},{"alias_kind":"pith_short_12","alias_value":"MMTWY72N2TVM","created_at":"2026-05-18T12:27:52Z"},{"alias_kind":"pith_short_16","alias_value":"MMTWY72N2TVM4X7Q","created_at":"2026-05-18T12:27:52Z"},{"alias_kind":"pith_short_8","alias_value":"MMTWY72N","created_at":"2026-05-18T12:27:52Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:MMTWY72N2TVM4X7QXNWSBFDKVZ","target":"record","payload":{"canonical_record":{"source":{"id":"1302.3788","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2013-02-15T16:03:46Z","cross_cats_sorted":[],"title_canon_sha256":"276c1dd4b7a2662af77083e9dec04c05cc1f98d67439666b0c7bcf08a7a3b623","abstract_canon_sha256":"ee908bf44d06e0826e0f48f8a92375b8215a8af8e38b4356d4c5902af4ca2369"},"schema_version":"1.0"},"canonical_sha256":"63276c7f4dd4eace5ff0bb6d20946aae736a0aed76e757d6c67759a4763cd6f8","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:15:45.178796Z","signature_b64":"EVxtonx2KGUWpIw33NPaSv8rRnbhefTvvsxevmidVhbhb8hZamzvJJyd2GGjYxb65rfpAJIz1qpcD+Tl0/A4CQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"63276c7f4dd4eace5ff0bb6d20946aae736a0aed76e757d6c67759a4763cd6f8","last_reissued_at":"2026-05-18T03:15:45.178102Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:15:45.178102Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1302.3788","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":"2026-05-18T03:15:45Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Y7jDN2dbya1y+fA2HE5Gx8HUZPEDvYYiywuPI3qq8DElyJXL7YiJT3gIbjzTnjDcUbAWerwk0H/usDMNvGn3CA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-22T21:25:07.334896Z"},"content_sha256":"9a517749347aa24938ffe5478914a1e4aeceefbaa49f77046e05efad44505d8f","schema_version":"1.0","event_id":"sha256:9a517749347aa24938ffe5478914a1e4aeceefbaa49f77046e05efad44505d8f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:MMTWY72N2TVM4X7QXNWSBFDKVZ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Suppression and emergence of granular segregation under cyclic shear","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.soft","authors_text":"Joost H. Weijs, Matt Harrington, Wolfgang Losert","submitted_at":"2013-02-15T16:03:46Z","abstract_excerpt":"While convective flows are implicated in many granular segregation processes, the associated particle-scale rearrangements are not well understood. A three-dimensional bidisperse mixture segregates under steady shear, but the cyclically driven system either remains mixed or segregates slowly. Individual grain motion shows no signs of particle-scale segregation dynamics that precede bulk segregation. Instead, we find that the transition from non-segregating to segregating flow is accompanied by significantly less reversible particle trajectories, and the emergence of a convective flow field."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1302.3788","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":"2026-05-18T03:15:45Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RvWJ8iHpDSlu5y6Br518jQbFhC6IA/CHFmhIik1xdyf4QQzbCopfkhQ5SxOyfF68BAtfHw0jBsTZcK5cXNSwAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-22T21:25:07.335642Z"},"content_sha256":"685713172c75d27710bce55724f4362c4cf3a480f7fb96fe47d55892f36b909e","schema_version":"1.0","event_id":"sha256:685713172c75d27710bce55724f4362c4cf3a480f7fb96fe47d55892f36b909e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/MMTWY72N2TVM4X7QXNWSBFDKVZ/bundle.json","state_url":"https://pith.science/pith/MMTWY72N2TVM4X7QXNWSBFDKVZ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/MMTWY72N2TVM4X7QXNWSBFDKVZ/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":"2026-05-22T21:25:07Z","links":{"resolver":"https://pith.science/pith/MMTWY72N2TVM4X7QXNWSBFDKVZ","bundle":"https://pith.science/pith/MMTWY72N2TVM4X7QXNWSBFDKVZ/bundle.json","state":"https://pith.science/pith/MMTWY72N2TVM4X7QXNWSBFDKVZ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/MMTWY72N2TVM4X7QXNWSBFDKVZ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:MMTWY72N2TVM4X7QXNWSBFDKVZ","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":"ee908bf44d06e0826e0f48f8a92375b8215a8af8e38b4356d4c5902af4ca2369","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2013-02-15T16:03:46Z","title_canon_sha256":"276c1dd4b7a2662af77083e9dec04c05cc1f98d67439666b0c7bcf08a7a3b623"},"schema_version":"1.0","source":{"id":"1302.3788","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1302.3788","created_at":"2026-05-18T03:15:45Z"},{"alias_kind":"arxiv_version","alias_value":"1302.3788v2","created_at":"2026-05-18T03:15:45Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1302.3788","created_at":"2026-05-18T03:15:45Z"},{"alias_kind":"pith_short_12","alias_value":"MMTWY72N2TVM","created_at":"2026-05-18T12:27:52Z"},{"alias_kind":"pith_short_16","alias_value":"MMTWY72N2TVM4X7Q","created_at":"2026-05-18T12:27:52Z"},{"alias_kind":"pith_short_8","alias_value":"MMTWY72N","created_at":"2026-05-18T12:27:52Z"}],"graph_snapshots":[{"event_id":"sha256:685713172c75d27710bce55724f4362c4cf3a480f7fb96fe47d55892f36b909e","target":"graph","created_at":"2026-05-18T03:15:45Z","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":"While convective flows are implicated in many granular segregation processes, the associated particle-scale rearrangements are not well understood. A three-dimensional bidisperse mixture segregates under steady shear, but the cyclically driven system either remains mixed or segregates slowly. Individual grain motion shows no signs of particle-scale segregation dynamics that precede bulk segregation. Instead, we find that the transition from non-segregating to segregating flow is accompanied by significantly less reversible particle trajectories, and the emergence of a convective flow field.","authors_text":"Joost H. Weijs, Matt Harrington, Wolfgang Losert","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2013-02-15T16:03:46Z","title":"Suppression and emergence of granular segregation under cyclic shear"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1302.3788","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":"sha256:9a517749347aa24938ffe5478914a1e4aeceefbaa49f77046e05efad44505d8f","target":"record","created_at":"2026-05-18T03:15:45Z","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":"ee908bf44d06e0826e0f48f8a92375b8215a8af8e38b4356d4c5902af4ca2369","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2013-02-15T16:03:46Z","title_canon_sha256":"276c1dd4b7a2662af77083e9dec04c05cc1f98d67439666b0c7bcf08a7a3b623"},"schema_version":"1.0","source":{"id":"1302.3788","kind":"arxiv","version":2}},"canonical_sha256":"63276c7f4dd4eace5ff0bb6d20946aae736a0aed76e757d6c67759a4763cd6f8","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"63276c7f4dd4eace5ff0bb6d20946aae736a0aed76e757d6c67759a4763cd6f8","first_computed_at":"2026-05-18T03:15:45.178102Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:15:45.178102Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"EVxtonx2KGUWpIw33NPaSv8rRnbhefTvvsxevmidVhbhb8hZamzvJJyd2GGjYxb65rfpAJIz1qpcD+Tl0/A4CQ==","signature_status":"signed_v1","signed_at":"2026-05-18T03:15:45.178796Z","signed_message":"canonical_sha256_bytes"},"source_id":"1302.3788","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9a517749347aa24938ffe5478914a1e4aeceefbaa49f77046e05efad44505d8f","sha256:685713172c75d27710bce55724f4362c4cf3a480f7fb96fe47d55892f36b909e"],"state_sha256":"9cc517baac18c8bc403ab9c08eca961d2aaff8f3a9720f799184cb4ec559153b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"uFpSIX66CCaeiKcvmMO0ZzBAmsRfn+zYImrvjb9+EQ7lH3BZLfHM8jfB/BqhBmUjezD/cHStVF+dvN+uUvSsDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-22T21:25:07.346007Z","bundle_sha256":"70924d8b52b6cf72b6d49a3fded22453e29bbb934ba90da4d88c29ff95ee4cbb"}}