Pith Number

pith:62ONJ7SI

pith:2005:62ONJ7SIWEZFKP32SHBBSREDFR

not attested not anchored not stored refs pending

Logarithmic diffusion and porous media equations: a unified description

E. K. Lenzi, I. T. Pedron, L. C. Malacarne, R. S. Mendes, T. J. Buratta

arxiv:cond-mat/0508343 v1 · 2005-08-14 · 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{62ONJ7SIWEZFKP32SHBBSREDFR}

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	2026-05-18T01:06:52.454407Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f69cd4fe48b132553f7a91c21944832c69d684e97ea4c2c6a51f0c98b560534c

Aliases

arxiv: cond-mat/0508343 · arxiv_version: cond-mat/0508343v1 · doi: 10.48550/arxiv.cond-mat/0508343 · pith_short_12: 62ONJ7SIWEZF · pith_short_16: 62ONJ7SIWEZFKP32 · pith_short_8: 62ONJ7SI

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/62ONJ7SIWEZFKP32SHBBSREDFR \
  | 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: f69cd4fe48b132553f7a91c21944832c69d684e97ea4c2c6a51f0c98b560534c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6f99444221037f5b11c8ddcb72e7ef12329f7b55a521ddad9af37e5b40970b42",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "cond-mat.stat-mech",
    "submitted_at": "2005-08-14T23:05:29Z",
    "title_canon_sha256": "a6273c7229159c914762904d8469dda7e19c1b711a36ee4fc79b6d988f668987"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cond-mat/0508343",
    "kind": "arxiv",
    "version": 1
  }
}