{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:ABW4KJF4JJYJR5FZUWSABEEF4O","short_pith_number":"pith:ABW4KJF4","canonical_record":{"source":{"id":"1312.0449","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2013-12-02T13:38:00Z","cross_cats_sorted":[],"title_canon_sha256":"b8a16f723b7b5a1220c51746747e9b5ee024818b3cf5b8ebad81b9090497b2c9","abstract_canon_sha256":"5a25be4a40d96c4659f21689030dab775f1666866bfc3c94c7f7c9bf7e047127"},"schema_version":"1.0"},"canonical_sha256":"006dc524bc4a7098f4b9a5a4009085e3ad9e0d45cffd58aab0b41560f7232be1","source":{"kind":"arxiv","id":"1312.0449","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1312.0449","created_at":"2026-05-18T01:45:59Z"},{"alias_kind":"arxiv_version","alias_value":"1312.0449v1","created_at":"2026-05-18T01:45:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1312.0449","created_at":"2026-05-18T01:45:59Z"},{"alias_kind":"pith_short_12","alias_value":"ABW4KJF4JJYJ","created_at":"2026-05-18T12:27:38Z"},{"alias_kind":"pith_short_16","alias_value":"ABW4KJF4JJYJR5FZ","created_at":"2026-05-18T12:27:38Z"},{"alias_kind":"pith_short_8","alias_value":"ABW4KJF4","created_at":"2026-05-18T12:27:38Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:ABW4KJF4JJYJR5FZUWSABEEF4O","target":"record","payload":{"canonical_record":{"source":{"id":"1312.0449","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2013-12-02T13:38:00Z","cross_cats_sorted":[],"title_canon_sha256":"b8a16f723b7b5a1220c51746747e9b5ee024818b3cf5b8ebad81b9090497b2c9","abstract_canon_sha256":"5a25be4a40d96c4659f21689030dab775f1666866bfc3c94c7f7c9bf7e047127"},"schema_version":"1.0"},"canonical_sha256":"006dc524bc4a7098f4b9a5a4009085e3ad9e0d45cffd58aab0b41560f7232be1","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:45:59.889244Z","signature_b64":"1JVX4Znp8urGn9t1VUZNR/zpfO2YI7QoIEHbXtN0+FVK1v04aaLd1yRvqAScUn9yx82flTH7B+G55+t/hSU4Aw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"006dc524bc4a7098f4b9a5a4009085e3ad9e0d45cffd58aab0b41560f7232be1","last_reissued_at":"2026-05-18T01:45:59.888685Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:45:59.888685Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1312.0449","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":"2026-05-18T01:45:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CVPgdzg0MacGCRsCDDEF2OTSGygAXbTnIOB+RcKMWQAPje55uCOwxRP8zhkgdA5c7uy5Xw0jkwSroEdjLy3hCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-22T19:08:48.761518Z"},"content_sha256":"3639027058fa67b7e9449a133ba223efdfdd3277b642938a4a825881a6f5bf10","schema_version":"1.0","event_id":"sha256:3639027058fa67b7e9449a133ba223efdfdd3277b642938a4a825881a6f5bf10"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:ABW4KJF4JJYJR5FZUWSABEEF4O","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Rheology of Weakly Vibrated Granular Media","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.soft","authors_text":"Geert H. Wortel, Joshua A. Dijksman, Martin van Hecke","submitted_at":"2013-12-02T13:38:00Z","abstract_excerpt":"We probe the rheology of weakly vibrated granular flows as function of flow rate, vibration strength and pressure by performing experiments in a vertically vibrated split-bottom shear cell. For slow flows, we establish the existence of a novel vibration dominated granular flow regime, where the driving stresses smoothly vanish as the driving rate is diminished. We distinguish three qualitatively different vibration dominated rheologies, most strikingly a regime where the shear stresses no longer are proportional to the pressure."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1312.0449","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":"2026-05-18T01:45:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0H7TAXH5UmZ0QDkrmcPtXz5rAhCjaZujM9yKLggJAzjeoQFH/kqk/q9LFD3RXemKze6TnTiSHbraD879OEplAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-22T19:08:48.762169Z"},"content_sha256":"2cfd5ee994e99c2d51656780bbaf17362bd963b6ae9cdabef5e27b4185de12c7","schema_version":"1.0","event_id":"sha256:2cfd5ee994e99c2d51656780bbaf17362bd963b6ae9cdabef5e27b4185de12c7"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ABW4KJF4JJYJR5FZUWSABEEF4O/bundle.json","state_url":"https://pith.science/pith/ABW4KJF4JJYJR5FZUWSABEEF4O/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ABW4KJF4JJYJR5FZUWSABEEF4O/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":"2026-05-22T19:08:48Z","links":{"resolver":"https://pith.science/pith/ABW4KJF4JJYJR5FZUWSABEEF4O","bundle":"https://pith.science/pith/ABW4KJF4JJYJR5FZUWSABEEF4O/bundle.json","state":"https://pith.science/pith/ABW4KJF4JJYJR5FZUWSABEEF4O/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ABW4KJF4JJYJR5FZUWSABEEF4O/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:ABW4KJF4JJYJR5FZUWSABEEF4O","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":"5a25be4a40d96c4659f21689030dab775f1666866bfc3c94c7f7c9bf7e047127","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2013-12-02T13:38:00Z","title_canon_sha256":"b8a16f723b7b5a1220c51746747e9b5ee024818b3cf5b8ebad81b9090497b2c9"},"schema_version":"1.0","source":{"id":"1312.0449","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1312.0449","created_at":"2026-05-18T01:45:59Z"},{"alias_kind":"arxiv_version","alias_value":"1312.0449v1","created_at":"2026-05-18T01:45:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1312.0449","created_at":"2026-05-18T01:45:59Z"},{"alias_kind":"pith_short_12","alias_value":"ABW4KJF4JJYJ","created_at":"2026-05-18T12:27:38Z"},{"alias_kind":"pith_short_16","alias_value":"ABW4KJF4JJYJR5FZ","created_at":"2026-05-18T12:27:38Z"},{"alias_kind":"pith_short_8","alias_value":"ABW4KJF4","created_at":"2026-05-18T12:27:38Z"}],"graph_snapshots":[{"event_id":"sha256:2cfd5ee994e99c2d51656780bbaf17362bd963b6ae9cdabef5e27b4185de12c7","target":"graph","created_at":"2026-05-18T01:45:59Z","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 probe the rheology of weakly vibrated granular flows as function of flow rate, vibration strength and pressure by performing experiments in a vertically vibrated split-bottom shear cell. For slow flows, we establish the existence of a novel vibration dominated granular flow regime, where the driving stresses smoothly vanish as the driving rate is diminished. We distinguish three qualitatively different vibration dominated rheologies, most strikingly a regime where the shear stresses no longer are proportional to the pressure.","authors_text":"Geert H. Wortel, Joshua A. Dijksman, Martin van Hecke","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2013-12-02T13:38:00Z","title":"Rheology of Weakly Vibrated Granular Media"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1312.0449","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":"sha256:3639027058fa67b7e9449a133ba223efdfdd3277b642938a4a825881a6f5bf10","target":"record","created_at":"2026-05-18T01:45:59Z","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":"5a25be4a40d96c4659f21689030dab775f1666866bfc3c94c7f7c9bf7e047127","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2013-12-02T13:38:00Z","title_canon_sha256":"b8a16f723b7b5a1220c51746747e9b5ee024818b3cf5b8ebad81b9090497b2c9"},"schema_version":"1.0","source":{"id":"1312.0449","kind":"arxiv","version":1}},"canonical_sha256":"006dc524bc4a7098f4b9a5a4009085e3ad9e0d45cffd58aab0b41560f7232be1","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"006dc524bc4a7098f4b9a5a4009085e3ad9e0d45cffd58aab0b41560f7232be1","first_computed_at":"2026-05-18T01:45:59.888685Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:45:59.888685Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"1JVX4Znp8urGn9t1VUZNR/zpfO2YI7QoIEHbXtN0+FVK1v04aaLd1yRvqAScUn9yx82flTH7B+G55+t/hSU4Aw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:45:59.889244Z","signed_message":"canonical_sha256_bytes"},"source_id":"1312.0449","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:3639027058fa67b7e9449a133ba223efdfdd3277b642938a4a825881a6f5bf10","sha256:2cfd5ee994e99c2d51656780bbaf17362bd963b6ae9cdabef5e27b4185de12c7"],"state_sha256":"9b16d52089ad2e1a8f248597d246a159baad4bb4f6b4369a54bfefbf54728bae"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rxvD/JN0Sdt7qhkTwm280Gi0CjAcnXLmKsFuvjwTRe8pFz46UyJTA/+Av72GLwknDop9mJBRwuD4voiJMeJNDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-22T19:08:48.765460Z","bundle_sha256":"a3427efe8e6f6f02357f4c8891a2df70412a0a52e9bfbaeb9aa48ae768b7bee4"}}