Pith Number

pith:6CP2Q6BK

pith:2001:6CP2Q6BKL3NNVDFZRWRRJORKDN

not attested not anchored not stored refs pending

A reaction-diffusion model for the growth of avascular tumor

M. J. Vilela, M. L. Martins, S. C. Ferreira Junior

arxiv:cond-mat/0109472 v2 · 2001-09-25 · cond-mat.stat-mech · q-bio.TO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6CP2Q6BKL3NNVDFZRWRRJORKDN}

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	2026-05-18T04:27:15.494836Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f09fa8782a5edada8cb98da314ba2a1b5d9e9a560b3a74f54e87592668aa2212

Aliases

arxiv: cond-mat/0109472 · arxiv_version: cond-mat/0109472v2 · doi: 10.48550/arxiv.cond-mat/0109472 · pith_short_12: 6CP2Q6BKL3NN · pith_short_16: 6CP2Q6BKL3NNVDFZ · pith_short_8: 6CP2Q6BK

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/6CP2Q6BKL3NNVDFZRWRRJORKDN \
  | 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: f09fa8782a5edada8cb98da314ba2a1b5d9e9a560b3a74f54e87592668aa2212

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "98705e1bcc998f5708d437b2ede424086824861399b3208276f181dbc8db9e4c",
    "cross_cats_sorted": [
      "q-bio.TO"
    ],
    "license": "",
    "primary_cat": "cond-mat.stat-mech",
    "submitted_at": "2001-09-25T21:05:15Z",
    "title_canon_sha256": "e94d8dafbae22718caf4bd2df488f6a1b77dc5bcd39930ed290bb49bdfca6830"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cond-mat/0109472",
    "kind": "arxiv",
    "version": 2
  }
}