{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:A46QC4WPPF5TIVEHXAFXPDVEY6","short_pith_number":"pith:A46QC4WP","canonical_record":{"source":{"id":"1008.2899","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2010-08-17T13:59:25Z","cross_cats_sorted":[],"title_canon_sha256":"368a7b1bb850ceb886b62207d14bb9311dad6e050f51ca61678bfa0842027f2f","abstract_canon_sha256":"bdf579edc299b45101a6d29242d53b3e7580e2beca0a40efb32e41a73c07cd0b"},"schema_version":"1.0"},"canonical_sha256":"073d0172cf797b345487b80b778ea4c79f27d8dc8230ff2d88dfbbc556f35ec4","source":{"kind":"arxiv","id":"1008.2899","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1008.2899","created_at":"2026-05-18T04:21:00Z"},{"alias_kind":"arxiv_version","alias_value":"1008.2899v2","created_at":"2026-05-18T04:21:00Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1008.2899","created_at":"2026-05-18T04:21:00Z"},{"alias_kind":"pith_short_12","alias_value":"A46QC4WPPF5T","created_at":"2026-05-18T12:26:05Z"},{"alias_kind":"pith_short_16","alias_value":"A46QC4WPPF5TIVEH","created_at":"2026-05-18T12:26:05Z"},{"alias_kind":"pith_short_8","alias_value":"A46QC4WP","created_at":"2026-05-18T12:26:05Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:A46QC4WPPF5TIVEHXAFXPDVEY6","target":"record","payload":{"canonical_record":{"source":{"id":"1008.2899","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2010-08-17T13:59:25Z","cross_cats_sorted":[],"title_canon_sha256":"368a7b1bb850ceb886b62207d14bb9311dad6e050f51ca61678bfa0842027f2f","abstract_canon_sha256":"bdf579edc299b45101a6d29242d53b3e7580e2beca0a40efb32e41a73c07cd0b"},"schema_version":"1.0"},"canonical_sha256":"073d0172cf797b345487b80b778ea4c79f27d8dc8230ff2d88dfbbc556f35ec4","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:21:00.618309Z","signature_b64":"HzqsBARmU9nR2OVqENnOVPvuaBpZWK5ijF9WEONXBdSJl/emxz4swV6U2qZMj6/Wr4CqNn0FCsFW8TCUFfqDAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"073d0172cf797b345487b80b778ea4c79f27d8dc8230ff2d88dfbbc556f35ec4","last_reissued_at":"2026-05-18T04:21:00.617746Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:21:00.617746Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1008.2899","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":"2026-05-18T04:21:00Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ouOeWapyGnJamKEZfOl5WHS40sVnJm8jxBYboaItVCx4iMiHajZmBKZyvkmv7K401Y8/mwibGckbBdvhFyB+CA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T12:06:17.522326Z"},"content_sha256":"080a8b2c27ef1e810db47872b0f6cf589729f2226ac620dfb6ebec45c4027557","schema_version":"1.0","event_id":"sha256:080a8b2c27ef1e810db47872b0f6cf589729f2226ac620dfb6ebec45c4027557"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:A46QC4WPPF5TIVEHXAFXPDVEY6","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Suppressed compressibility at large scale in jammed packings of size disperse spheres","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.stat-mech","authors_text":"Corentin Coulais, Ludovic Berthier, Olivier Dauchot, Peter Sollich, Pinaki Chaudhuri","submitted_at":"2010-08-17T13:59:25Z","abstract_excerpt":"We analyze the large scale structure and fluctuations of jammed packings of size disperse spheres, produced in a granular experiment as well as numerically. While the structure factor of the packings reveals no unusual behavior for small wavevectors, the compressibility displays an anomalous linear dependence at low wavectors and vanishes when q -> 0. We show that such behavior occurs because jammed packings of size disperse spheres have no bulk fluctuations of the volume fraction and are thus hyperuniform, a property not observed experimentally before. Our results apply to arbitrary particle "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1008.2899","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":"2026-05-18T04:21:00Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"sHgWG/G3/clGZfV5oyQ/663RYkX5GLolZABwZw1hWRyel20Sro9vh0z503+nVh2rrODFuWlktFsUZwgd5d1xBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T12:06:17.522680Z"},"content_sha256":"e1012064ccd1c5f6d3ced47d3eb352d9d67d4d607346bf001653be63bc8e7ab5","schema_version":"1.0","event_id":"sha256:e1012064ccd1c5f6d3ced47d3eb352d9d67d4d607346bf001653be63bc8e7ab5"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/A46QC4WPPF5TIVEHXAFXPDVEY6/bundle.json","state_url":"https://pith.science/pith/A46QC4WPPF5TIVEHXAFXPDVEY6/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/A46QC4WPPF5TIVEHXAFXPDVEY6/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":"2026-06-01T12:06:17Z","links":{"resolver":"https://pith.science/pith/A46QC4WPPF5TIVEHXAFXPDVEY6","bundle":"https://pith.science/pith/A46QC4WPPF5TIVEHXAFXPDVEY6/bundle.json","state":"https://pith.science/pith/A46QC4WPPF5TIVEHXAFXPDVEY6/state.json","well_known_bundle":"https://pith.science/.well-known/pith/A46QC4WPPF5TIVEHXAFXPDVEY6/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:A46QC4WPPF5TIVEHXAFXPDVEY6","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":"bdf579edc299b45101a6d29242d53b3e7580e2beca0a40efb32e41a73c07cd0b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2010-08-17T13:59:25Z","title_canon_sha256":"368a7b1bb850ceb886b62207d14bb9311dad6e050f51ca61678bfa0842027f2f"},"schema_version":"1.0","source":{"id":"1008.2899","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1008.2899","created_at":"2026-05-18T04:21:00Z"},{"alias_kind":"arxiv_version","alias_value":"1008.2899v2","created_at":"2026-05-18T04:21:00Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1008.2899","created_at":"2026-05-18T04:21:00Z"},{"alias_kind":"pith_short_12","alias_value":"A46QC4WPPF5T","created_at":"2026-05-18T12:26:05Z"},{"alias_kind":"pith_short_16","alias_value":"A46QC4WPPF5TIVEH","created_at":"2026-05-18T12:26:05Z"},{"alias_kind":"pith_short_8","alias_value":"A46QC4WP","created_at":"2026-05-18T12:26:05Z"}],"graph_snapshots":[{"event_id":"sha256:e1012064ccd1c5f6d3ced47d3eb352d9d67d4d607346bf001653be63bc8e7ab5","target":"graph","created_at":"2026-05-18T04:21:00Z","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 analyze the large scale structure and fluctuations of jammed packings of size disperse spheres, produced in a granular experiment as well as numerically. While the structure factor of the packings reveals no unusual behavior for small wavevectors, the compressibility displays an anomalous linear dependence at low wavectors and vanishes when q -> 0. We show that such behavior occurs because jammed packings of size disperse spheres have no bulk fluctuations of the volume fraction and are thus hyperuniform, a property not observed experimentally before. Our results apply to arbitrary particle ","authors_text":"Corentin Coulais, Ludovic Berthier, Olivier Dauchot, Peter Sollich, Pinaki Chaudhuri","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2010-08-17T13:59:25Z","title":"Suppressed compressibility at large scale in jammed packings of size disperse spheres"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1008.2899","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":"sha256:080a8b2c27ef1e810db47872b0f6cf589729f2226ac620dfb6ebec45c4027557","target":"record","created_at":"2026-05-18T04:21:00Z","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":"bdf579edc299b45101a6d29242d53b3e7580e2beca0a40efb32e41a73c07cd0b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2010-08-17T13:59:25Z","title_canon_sha256":"368a7b1bb850ceb886b62207d14bb9311dad6e050f51ca61678bfa0842027f2f"},"schema_version":"1.0","source":{"id":"1008.2899","kind":"arxiv","version":2}},"canonical_sha256":"073d0172cf797b345487b80b778ea4c79f27d8dc8230ff2d88dfbbc556f35ec4","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"073d0172cf797b345487b80b778ea4c79f27d8dc8230ff2d88dfbbc556f35ec4","first_computed_at":"2026-05-18T04:21:00.617746Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:21:00.617746Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"HzqsBARmU9nR2OVqENnOVPvuaBpZWK5ijF9WEONXBdSJl/emxz4swV6U2qZMj6/Wr4CqNn0FCsFW8TCUFfqDAA==","signature_status":"signed_v1","signed_at":"2026-05-18T04:21:00.618309Z","signed_message":"canonical_sha256_bytes"},"source_id":"1008.2899","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:080a8b2c27ef1e810db47872b0f6cf589729f2226ac620dfb6ebec45c4027557","sha256:e1012064ccd1c5f6d3ced47d3eb352d9d67d4d607346bf001653be63bc8e7ab5"],"state_sha256":"df57844fa52a45930dbcd25fa1e8521720b5c563f95a92c969e79ffbcd78bc1c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"iEpELnhTJ+qEE+TDHfFNLrgB8qBKtrmYsfknORSCdUrmjtHBZRhmfREJ02ulZpYpwubJseAZD1PM2TebCjMICg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T12:06:17.524872Z","bundle_sha256":"f726dafa2e0b53f0364c1969186a78283bacb0ee8a32c3295a5c17deee13434a"}}