{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:1995:3V4UJ54DKLJAGUTIQ2WODKHGD2","short_pith_number":"pith:3V4UJ54D","canonical_record":{"source":{"id":"cond-mat/9502028","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"cond-mat","submitted_at":"1995-02-06T23:35:59Z","cross_cats_sorted":[],"title_canon_sha256":"06629230e4175722a6c5defeea67a14113d038e41065226a84c6b510f44ffe35","abstract_canon_sha256":"8b1a451d947297c7a967a1753ea64221cbd250f92ee802ac55eabdff93526499"},"schema_version":"1.0"},"canonical_sha256":"dd7944f78352d203526886ace1a8e61e805ba2b9d14af21b4124fe50796b2874","source":{"kind":"arxiv","id":"cond-mat/9502028","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"cond-mat/9502028","created_at":"2026-05-18T01:39:35Z"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/9502028v1","created_at":"2026-05-18T01:39:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/9502028","created_at":"2026-05-18T01:39:35Z"},{"alias_kind":"pith_short_12","alias_value":"3V4UJ54DKLJA","created_at":"2026-05-18T12:25:47Z"},{"alias_kind":"pith_short_16","alias_value":"3V4UJ54DKLJAGUTI","created_at":"2026-05-18T12:25:47Z"},{"alias_kind":"pith_short_8","alias_value":"3V4UJ54D","created_at":"2026-05-18T12:25:47Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:1995:3V4UJ54DKLJAGUTIQ2WODKHGD2","target":"record","payload":{"canonical_record":{"source":{"id":"cond-mat/9502028","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"cond-mat","submitted_at":"1995-02-06T23:35:59Z","cross_cats_sorted":[],"title_canon_sha256":"06629230e4175722a6c5defeea67a14113d038e41065226a84c6b510f44ffe35","abstract_canon_sha256":"8b1a451d947297c7a967a1753ea64221cbd250f92ee802ac55eabdff93526499"},"schema_version":"1.0"},"canonical_sha256":"dd7944f78352d203526886ace1a8e61e805ba2b9d14af21b4124fe50796b2874","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:39:35.333418Z","signature_b64":"aKeJC5LkdtUvYDaXOU2C+xOOLOJOvo5fd8QtpAZD0G0FU68goYr7wjmg6I2ihenqfyRHEbhltDgXn8rAGBdrDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"dd7944f78352d203526886ace1a8e61e805ba2b9d14af21b4124fe50796b2874","last_reissued_at":"2026-05-18T01:39:35.332783Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:39:35.332783Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"cond-mat/9502028","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":"2026-05-18T01:39:35Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"x9E95H9yw+IcNFI/dAb+jsde4Pu+SrkK5/zVp1jPNWHs73UIHKfUMU/aewnyowJXVmPi7YTIUkmos616KwgiAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-24T21:32:07.791798Z"},"content_sha256":"e985c4c151f6deab5b2c9897f601e30c5dc0a2308c7f75626e49e35dbf72697e","schema_version":"1.0","event_id":"sha256:e985c4c151f6deab5b2c9897f601e30c5dc0a2308c7f75626e49e35dbf72697e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:1995:3V4UJ54DKLJAGUTIQ2WODKHGD2","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Scaling Behavior of Granular Particles in a Vibrating Box","license":"","headline":"","cross_cats":[],"primary_cat":"cond-mat","authors_text":"City College of New York), Jysoo Lee (Levich Institute","submitted_at":"1995-02-06T23:35:59Z","abstract_excerpt":"Using numerical and analytic methods, we study the behavior of granular particles contained in a vibrating box. We measure, by molecular dynamics (MD) simulation, several quantities which characterize the system. These quantities--the density and the granular temperature fields, and the vertical expansion--obey scaling in the variable $x = Af$. Here, $A$ and $f$ are the amplitude and the frequency of the vibration. The behavior of these quantities is qualitatively different for small and large values of $x$. We also study the system using Navier-Stokes type equations developed by Haff. We deve"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/9502028","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":"2026-05-18T01:39:35Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"e9ty8evbwZ9xXabb03JIvlc4cPHbet3Smd0Ph23PhOALpv6MoTVR2xJnKqWAL8olWwoYpEmtxiqIkPIYqMBoAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-24T21:32:07.792140Z"},"content_sha256":"d13d1542217075a138855025b4a9245c597035448f5fa9a0d9c86638ccfffd84","schema_version":"1.0","event_id":"sha256:d13d1542217075a138855025b4a9245c597035448f5fa9a0d9c86638ccfffd84"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/3V4UJ54DKLJAGUTIQ2WODKHGD2/bundle.json","state_url":"https://pith.science/pith/3V4UJ54DKLJAGUTIQ2WODKHGD2/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/3V4UJ54DKLJAGUTIQ2WODKHGD2/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":"2026-06-24T21:32:07Z","links":{"resolver":"https://pith.science/pith/3V4UJ54DKLJAGUTIQ2WODKHGD2","bundle":"https://pith.science/pith/3V4UJ54DKLJAGUTIQ2WODKHGD2/bundle.json","state":"https://pith.science/pith/3V4UJ54DKLJAGUTIQ2WODKHGD2/state.json","well_known_bundle":"https://pith.science/.well-known/pith/3V4UJ54DKLJAGUTIQ2WODKHGD2/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:1995:3V4UJ54DKLJAGUTIQ2WODKHGD2","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":"8b1a451d947297c7a967a1753ea64221cbd250f92ee802ac55eabdff93526499","cross_cats_sorted":[],"license":"","primary_cat":"cond-mat","submitted_at":"1995-02-06T23:35:59Z","title_canon_sha256":"06629230e4175722a6c5defeea67a14113d038e41065226a84c6b510f44ffe35"},"schema_version":"1.0","source":{"id":"cond-mat/9502028","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"cond-mat/9502028","created_at":"2026-05-18T01:39:35Z"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/9502028v1","created_at":"2026-05-18T01:39:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/9502028","created_at":"2026-05-18T01:39:35Z"},{"alias_kind":"pith_short_12","alias_value":"3V4UJ54DKLJA","created_at":"2026-05-18T12:25:47Z"},{"alias_kind":"pith_short_16","alias_value":"3V4UJ54DKLJAGUTI","created_at":"2026-05-18T12:25:47Z"},{"alias_kind":"pith_short_8","alias_value":"3V4UJ54D","created_at":"2026-05-18T12:25:47Z"}],"graph_snapshots":[{"event_id":"sha256:d13d1542217075a138855025b4a9245c597035448f5fa9a0d9c86638ccfffd84","target":"graph","created_at":"2026-05-18T01:39:35Z","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":"Using numerical and analytic methods, we study the behavior of granular particles contained in a vibrating box. We measure, by molecular dynamics (MD) simulation, several quantities which characterize the system. These quantities--the density and the granular temperature fields, and the vertical expansion--obey scaling in the variable $x = Af$. Here, $A$ and $f$ are the amplitude and the frequency of the vibration. The behavior of these quantities is qualitatively different for small and large values of $x$. We also study the system using Navier-Stokes type equations developed by Haff. We deve","authors_text":"City College of New York), Jysoo Lee (Levich Institute","cross_cats":[],"headline":"","license":"","primary_cat":"cond-mat","submitted_at":"1995-02-06T23:35:59Z","title":"Scaling Behavior of Granular Particles in a Vibrating Box"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/9502028","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:e985c4c151f6deab5b2c9897f601e30c5dc0a2308c7f75626e49e35dbf72697e","target":"record","created_at":"2026-05-18T01:39:35Z","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":"8b1a451d947297c7a967a1753ea64221cbd250f92ee802ac55eabdff93526499","cross_cats_sorted":[],"license":"","primary_cat":"cond-mat","submitted_at":"1995-02-06T23:35:59Z","title_canon_sha256":"06629230e4175722a6c5defeea67a14113d038e41065226a84c6b510f44ffe35"},"schema_version":"1.0","source":{"id":"cond-mat/9502028","kind":"arxiv","version":1}},"canonical_sha256":"dd7944f78352d203526886ace1a8e61e805ba2b9d14af21b4124fe50796b2874","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"dd7944f78352d203526886ace1a8e61e805ba2b9d14af21b4124fe50796b2874","first_computed_at":"2026-05-18T01:39:35.332783Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:39:35.332783Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"aKeJC5LkdtUvYDaXOU2C+xOOLOJOvo5fd8QtpAZD0G0FU68goYr7wjmg6I2ihenqfyRHEbhltDgXn8rAGBdrDQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:39:35.333418Z","signed_message":"canonical_sha256_bytes"},"source_id":"cond-mat/9502028","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e985c4c151f6deab5b2c9897f601e30c5dc0a2308c7f75626e49e35dbf72697e","sha256:d13d1542217075a138855025b4a9245c597035448f5fa9a0d9c86638ccfffd84"],"state_sha256":"237f0fd4babb9572edfb4e6c8be4b31c1ead62af72d96419049164e40060a447"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7l0N88FH/mY2eutYUsCaOMp+HXeAd+CqAqlJ1WyAxCb0Q4hPCgFNIr634BhJpWDpD6ZE0LA6GEypLxcJWMqOAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-24T21:32:07.794244Z","bundle_sha256":"1bf0899bafae663994ffe34d0fadc0191b6ec1d9bb5ac1b1c05b2d87536671d0"}}