{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2009:4HBZLFBPRJQGLDPLZY44HNKUZY","short_pith_number":"pith:4HBZLFBP","schema_version":"1.0","canonical_sha256":"e1c395942f8a60658debce39c3b554ce16bf44c1fd1c48c0b90f4ecd67368d30","source":{"kind":"arxiv","id":"0912.0472","version":1},"attestation_state":"computed","paper":{"title":"Evolution of dynamical facilitation approaching the granular glass transition","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.soft","authors_text":"G. Biroli, O. Dauchot, R. Candelier","submitted_at":"2009-12-02T17:36:29Z","abstract_excerpt":"We investigate the relaxation dynamics of a dense monolayer of bidisperse beads by analyzing the experimental data previously obtained in a fluidized bed. We show that the dynamics is formed by elementary relaxation events called cage jumps. These aggregate on a very short time into clusters. Increasing the packing fraction makes the spatio-temporal organization of the clusters evolve from a rather scattered and random distribution towards a collection of sparse and large events, called avalanches. The avalanche process is a manifestation of dynamical facilitation. The study of its evolution w"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"0912.0472","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2009-12-02T17:36:29Z","cross_cats_sorted":[],"title_canon_sha256":"051565f2105df574b54ac152c8704fe100f488249392fc8e1e290a0975817bd7","abstract_canon_sha256":"eba61863104d762088beb9e119e7ca4e3c98dfb60075d55f2759412686105cb7"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:35:47.837673Z","signature_b64":"sa66NfK7ZUgQBMT1pHbx2pql8R05F7tS0L/XiCpc5Ym+tdGIxCj5eAiX57NcZomYeEnMhL4c2s3IlG0TognhCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e1c395942f8a60658debce39c3b554ce16bf44c1fd1c48c0b90f4ecd67368d30","last_reissued_at":"2026-05-18T04:35:47.837240Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:35:47.837240Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Evolution of dynamical facilitation approaching the granular glass transition","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.soft","authors_text":"G. Biroli, O. Dauchot, R. Candelier","submitted_at":"2009-12-02T17:36:29Z","abstract_excerpt":"We investigate the relaxation dynamics of a dense monolayer of bidisperse beads by analyzing the experimental data previously obtained in a fluidized bed. We show that the dynamics is formed by elementary relaxation events called cage jumps. These aggregate on a very short time into clusters. Increasing the packing fraction makes the spatio-temporal organization of the clusters evolve from a rather scattered and random distribution towards a collection of sparse and large events, called avalanches. The avalanche process is a manifestation of dynamical facilitation. The study of its evolution w"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0912.0472","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"},"aliases":[{"alias_kind":"arxiv","alias_value":"0912.0472","created_at":"2026-05-18T04:35:47.837299+00:00"},{"alias_kind":"arxiv_version","alias_value":"0912.0472v1","created_at":"2026-05-18T04:35:47.837299+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0912.0472","created_at":"2026-05-18T04:35:47.837299+00:00"},{"alias_kind":"pith_short_12","alias_value":"4HBZLFBPRJQG","created_at":"2026-05-18T12:25:58.837520+00:00"},{"alias_kind":"pith_short_16","alias_value":"4HBZLFBPRJQGLDPL","created_at":"2026-05-18T12:25:58.837520+00:00"},{"alias_kind":"pith_short_8","alias_value":"4HBZLFBP","created_at":"2026-05-18T12:25:58.837520+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/4HBZLFBPRJQGLDPLZY44HNKUZY","json":"https://pith.science/pith/4HBZLFBPRJQGLDPLZY44HNKUZY.json","graph_json":"https://pith.science/api/pith-number/4HBZLFBPRJQGLDPLZY44HNKUZY/graph.json","events_json":"https://pith.science/api/pith-number/4HBZLFBPRJQGLDPLZY44HNKUZY/events.json","paper":"https://pith.science/paper/4HBZLFBP"},"agent_actions":{"view_html":"https://pith.science/pith/4HBZLFBPRJQGLDPLZY44HNKUZY","download_json":"https://pith.science/pith/4HBZLFBPRJQGLDPLZY44HNKUZY.json","view_paper":"https://pith.science/paper/4HBZLFBP","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=0912.0472&json=true","fetch_graph":"https://pith.science/api/pith-number/4HBZLFBPRJQGLDPLZY44HNKUZY/graph.json","fetch_events":"https://pith.science/api/pith-number/4HBZLFBPRJQGLDPLZY44HNKUZY/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/4HBZLFBPRJQGLDPLZY44HNKUZY/action/timestamp_anchor","attest_storage":"https://pith.science/pith/4HBZLFBPRJQGLDPLZY44HNKUZY/action/storage_attestation","attest_author":"https://pith.science/pith/4HBZLFBPRJQGLDPLZY44HNKUZY/action/author_attestation","sign_citation":"https://pith.science/pith/4HBZLFBPRJQGLDPLZY44HNKUZY/action/citation_signature","submit_replication":"https://pith.science/pith/4HBZLFBPRJQGLDPLZY44HNKUZY/action/replication_record"}},"created_at":"2026-05-18T04:35:47.837299+00:00","updated_at":"2026-05-18T04:35:47.837299+00:00"}