{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2009:AYB5TLI37QZNBF55E53JEKPWIR","short_pith_number":"pith:AYB5TLI3","canonical_record":{"source":{"id":"0903.4075","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2009-03-24T13:25:30Z","cross_cats_sorted":[],"title_canon_sha256":"de1fb9dda1b9537d188713c95f1ee629fc8148cbd29646c7bec5fa1cfcbe1cc2","abstract_canon_sha256":"4f93c4f1e2855d3717d29a90b485c35e126de61fd1a0315959a19a11142e658e"},"schema_version":"1.0"},"canonical_sha256":"0603d9ad1bfc32d097bd27769229f644764b08902a544fc4751fd0cad020d485","source":{"kind":"arxiv","id":"0903.4075","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0903.4075","created_at":"2026-05-18T01:14:36Z"},{"alias_kind":"arxiv_version","alias_value":"0903.4075v1","created_at":"2026-05-18T01:14:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0903.4075","created_at":"2026-05-18T01:14:36Z"},{"alias_kind":"pith_short_12","alias_value":"AYB5TLI37QZN","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_16","alias_value":"AYB5TLI37QZNBF55","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_8","alias_value":"AYB5TLI3","created_at":"2026-05-18T12:25:58Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2009:AYB5TLI37QZNBF55E53JEKPWIR","target":"record","payload":{"canonical_record":{"source":{"id":"0903.4075","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2009-03-24T13:25:30Z","cross_cats_sorted":[],"title_canon_sha256":"de1fb9dda1b9537d188713c95f1ee629fc8148cbd29646c7bec5fa1cfcbe1cc2","abstract_canon_sha256":"4f93c4f1e2855d3717d29a90b485c35e126de61fd1a0315959a19a11142e658e"},"schema_version":"1.0"},"canonical_sha256":"0603d9ad1bfc32d097bd27769229f644764b08902a544fc4751fd0cad020d485","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:14:36.540668Z","signature_b64":"BXyNrLD6wPyROyZc4LkO8xcRrBrddPJxceRK6ap2IbwTPFPLosonpcySh5CLotB7HbdDe3LXxrduXNT/ZdgvCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0603d9ad1bfc32d097bd27769229f644764b08902a544fc4751fd0cad020d485","last_reissued_at":"2026-05-18T01:14:36.540061Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:14:36.540061Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0903.4075","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":"2026-05-18T01:14:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"a0u4g2W3V7551I8Vzv0I6IYNhj1R5remnOmKMi/PVEXNkUz6bvkmD2EzFpxNprC1XLj5m5oLNZN6IZA201+lAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-24T21:22:25.646559Z"},"content_sha256":"574dad9bb54c9394f439d43a1a5a31ad1cd7f14d5528d2879e07ead5f5db87f3","schema_version":"1.0","event_id":"sha256:574dad9bb54c9394f439d43a1a5a31ad1cd7f14d5528d2879e07ead5f5db87f3"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2009:AYB5TLI37QZNBF55E53JEKPWIR","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Random close packing of polydisperse hard spheres","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.soft","authors_text":"Marjolein Dijkstra, Michiel Hermes","submitted_at":"2009-03-24T13:25:30Z","abstract_excerpt":"We study jammed configurations of hard spheres as a function of compression speed using an event-driven molecular dynamics algorithm. We find that during the compression, the pressure follows closely the metastable liquid branch until the system gets arrested into a glass state as the relaxation time exceeds the compression speed. Further compression yields a jammed configuration that can be regarded as the infinite pressure configuration of that glass state. Consequently, we find that the density of jammed packings varies from 0.638 to 0.658 for polydisperse hard spheres and from 0.635 to 0.6"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0903.4075","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":"2026-05-18T01:14:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RvQntvPPp8IyGLBhTBCCQ9HwtQORYyToSc353CBJAHZDA58YhXnLveYFu0FxMPfslZEV0QK4SIv8werMOxl+Dg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-24T21:22:25.646899Z"},"content_sha256":"47006cefa3626ef7f5a339552f2feb203416e5b206a5e747f4230cfe313cea97","schema_version":"1.0","event_id":"sha256:47006cefa3626ef7f5a339552f2feb203416e5b206a5e747f4230cfe313cea97"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/AYB5TLI37QZNBF55E53JEKPWIR/bundle.json","state_url":"https://pith.science/pith/AYB5TLI37QZNBF55E53JEKPWIR/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/AYB5TLI37QZNBF55E53JEKPWIR/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":"2026-06-24T21:22:25Z","links":{"resolver":"https://pith.science/pith/AYB5TLI37QZNBF55E53JEKPWIR","bundle":"https://pith.science/pith/AYB5TLI37QZNBF55E53JEKPWIR/bundle.json","state":"https://pith.science/pith/AYB5TLI37QZNBF55E53JEKPWIR/state.json","well_known_bundle":"https://pith.science/.well-known/pith/AYB5TLI37QZNBF55E53JEKPWIR/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2009:AYB5TLI37QZNBF55E53JEKPWIR","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":"4f93c4f1e2855d3717d29a90b485c35e126de61fd1a0315959a19a11142e658e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2009-03-24T13:25:30Z","title_canon_sha256":"de1fb9dda1b9537d188713c95f1ee629fc8148cbd29646c7bec5fa1cfcbe1cc2"},"schema_version":"1.0","source":{"id":"0903.4075","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0903.4075","created_at":"2026-05-18T01:14:36Z"},{"alias_kind":"arxiv_version","alias_value":"0903.4075v1","created_at":"2026-05-18T01:14:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0903.4075","created_at":"2026-05-18T01:14:36Z"},{"alias_kind":"pith_short_12","alias_value":"AYB5TLI37QZN","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_16","alias_value":"AYB5TLI37QZNBF55","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_8","alias_value":"AYB5TLI3","created_at":"2026-05-18T12:25:58Z"}],"graph_snapshots":[{"event_id":"sha256:47006cefa3626ef7f5a339552f2feb203416e5b206a5e747f4230cfe313cea97","target":"graph","created_at":"2026-05-18T01:14:36Z","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 study jammed configurations of hard spheres as a function of compression speed using an event-driven molecular dynamics algorithm. We find that during the compression, the pressure follows closely the metastable liquid branch until the system gets arrested into a glass state as the relaxation time exceeds the compression speed. Further compression yields a jammed configuration that can be regarded as the infinite pressure configuration of that glass state. Consequently, we find that the density of jammed packings varies from 0.638 to 0.658 for polydisperse hard spheres and from 0.635 to 0.6","authors_text":"Marjolein Dijkstra, Michiel Hermes","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2009-03-24T13:25:30Z","title":"Random close packing of polydisperse hard spheres"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0903.4075","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":"sha256:574dad9bb54c9394f439d43a1a5a31ad1cd7f14d5528d2879e07ead5f5db87f3","target":"record","created_at":"2026-05-18T01:14:36Z","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":"4f93c4f1e2855d3717d29a90b485c35e126de61fd1a0315959a19a11142e658e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2009-03-24T13:25:30Z","title_canon_sha256":"de1fb9dda1b9537d188713c95f1ee629fc8148cbd29646c7bec5fa1cfcbe1cc2"},"schema_version":"1.0","source":{"id":"0903.4075","kind":"arxiv","version":1}},"canonical_sha256":"0603d9ad1bfc32d097bd27769229f644764b08902a544fc4751fd0cad020d485","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0603d9ad1bfc32d097bd27769229f644764b08902a544fc4751fd0cad020d485","first_computed_at":"2026-05-18T01:14:36.540061Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:14:36.540061Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"BXyNrLD6wPyROyZc4LkO8xcRrBrddPJxceRK6ap2IbwTPFPLosonpcySh5CLotB7HbdDe3LXxrduXNT/ZdgvCQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:14:36.540668Z","signed_message":"canonical_sha256_bytes"},"source_id":"0903.4075","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:574dad9bb54c9394f439d43a1a5a31ad1cd7f14d5528d2879e07ead5f5db87f3","sha256:47006cefa3626ef7f5a339552f2feb203416e5b206a5e747f4230cfe313cea97"],"state_sha256":"afa6ce5ea5d96c61ceab44dc3553f306b4d9edf999b631fce96f3b455a2c6e94"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Q26J2bNsWD2WPxDi9KbWMqBcu8sGvWhIAEF2DKty9WRApWt6LnV5MOYvShOuMv4qrelcwr1xrPSNVeZd+R2JBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-24T21:22:25.648813Z","bundle_sha256":"db14a825701ee6981de792ed7d52c5e0ae1096674504d7b077ea2a9d3adf2285"}}