Pith Number

pith:XDWAFM7Y

pith:2003:XDWAFM7YSDNIBFEOCC3SXCZJDA

not attested not anchored not stored refs pending

Spontaneous Ratchet Effect in a Granular Gas

Detlef Lohse, Devaraj van der Meer, Ko van der Weele, Peter Reimann

arxiv:cond-mat/0306640 v2 · 2003-06-25 · cond-mat.soft · cond-mat.stat-mech

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XDWAFM7YSDNIBFEOCC3SXCZJDA}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

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	2026-05-18T01:06:57.197044Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b8ec02b3f890da80948e10b72b8b291835e22fa45c3ffd3cabd05854f8c54eda

Aliases

arxiv: cond-mat/0306640 · arxiv_version: cond-mat/0306640v2 · doi: 10.48550/arxiv.cond-mat/0306640 · pith_short_12: XDWAFM7YSDNI · pith_short_16: XDWAFM7YSDNIBFEO · pith_short_8: XDWAFM7Y

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/XDWAFM7YSDNIBFEOCC3SXCZJDA \
  | 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: b8ec02b3f890da80948e10b72b8b291835e22fa45c3ffd3cabd05854f8c54eda

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4bcb57f1acad1ca28d909bc72004f05d571404e0d8503754295edbdef49c31c1",
    "cross_cats_sorted": [
      "cond-mat.stat-mech"
    ],
    "license": "",
    "primary_cat": "cond-mat.soft",
    "submitted_at": "2003-06-25T11:28:53Z",
    "title_canon_sha256": "6ecbee1cf7ecd698ccc5b7f94ad15c963355eb933256fcafb3be187b64657563"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cond-mat/0306640",
    "kind": "arxiv",
    "version": 2
  }
}