Pith Number

pith:KHI7YVW2

pith:2002:KHI7YVW2BW5N7PTVEYG5AMHWSI

not attested not anchored not stored refs pending

Revisiting the derivation of the fractional diffusion equation

Enrico Scalas, Francesco Mainardi, Marco Raberto, Rudolf Gorenflo

arxiv:cond-mat/0210166 v2 · 2002-10-08 · cond-mat.dis-nn · 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{KHI7YVW2BW5N7PTVEYG5AMHWSI}

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	2026-05-18T00:57:19.763973Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

51d1fc56da0dbadfbe75260dd030f69208658a7a3bdd677be1d0a96b9e0bd56e

Aliases

arxiv: cond-mat/0210166 · arxiv_version: cond-mat/0210166v2 · doi: 10.48550/arxiv.cond-mat/0210166 · pith_short_12: KHI7YVW2BW5N · pith_short_16: KHI7YVW2BW5N7PTV · pith_short_8: KHI7YVW2

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/KHI7YVW2BW5N7PTVEYG5AMHWSI \
  | 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: 51d1fc56da0dbadfbe75260dd030f69208658a7a3bdd677be1d0a96b9e0bd56e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "63ed57f91a0fe2eecb8fb45182c7a71a6bbd2034018555d2bbd260f20f4de143",
    "cross_cats_sorted": [
      "cond-mat.stat-mech"
    ],
    "license": "",
    "primary_cat": "cond-mat.dis-nn",
    "submitted_at": "2002-10-08T15:34:38Z",
    "title_canon_sha256": "6fb4c75b4a2c07b9ef6b43c874f160c510d86802cdaec9842207f932548970d1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cond-mat/0210166",
    "kind": "arxiv",
    "version": 2
  }
}