Pith Number

pith:CI2B6MLF

pith:2005:CI2B6MLFP37G3GVDOLQNWFYU4J

not attested not anchored not stored refs pending

The Effect of Air on Granular Size Separation in a Vibrated Granular Bed

Greg S. Karczmar, Heinrich M. Jaeger, Matthias E. M\"obius, Peter Eshuis, Sidney R. Nagel, Xiang Cheng

arxiv:cond-mat/0502622 v3 · 2005-02-25 · cond-mat.soft

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CI2B6MLFP37G3GVDOLQNWFYU4J}

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Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T01:08:58.572649Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

12341f31657efe6d9aa372e0db1714e267653865659782090560487dfe142299

Aliases

arxiv: cond-mat/0502622 · arxiv_version: cond-mat/0502622v3 · doi: 10.48550/arxiv.cond-mat/0502622 · pith_short_12: CI2B6MLFP37G · pith_short_16: CI2B6MLFP37G3GVD · pith_short_8: CI2B6MLF

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/CI2B6MLFP37G3GVDOLQNWFYU4J \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 12341f31657efe6d9aa372e0db1714e267653865659782090560487dfe142299

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bd4b2c0ca64c93b1b40e2eeeb704a2b349ba8638276b4b8d1b365def3b5323a2",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "cond-mat.soft",
    "submitted_at": "2005-02-25T22:12:54Z",
    "title_canon_sha256": "88da22d9e5db9dd1aa67a3b228c4935a7232b96fa87a33d3c2ae65c23b591f0d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cond-mat/0502622",
    "kind": "arxiv",
    "version": 3
  }
}