Pith Number

pith:P6I5TJH6

pith:2008:P6I5TJH6BVN3TSYIA2DNDDTKFF

not attested not anchored not stored refs pending

On a doubly nonlinear diffusion model of chemotaxis with prevention of overcrowding

Jos\'e Miguel Urbano, Mostafa Bendahmane, Raimund B\"rger, Ricardo Ruiz Baier

arxiv:0808.3394 v1 · 2008-08-25 · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{P6I5TJH6BVN3TSYIA2DNDDTKFF}

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	2026-05-18T02:15:42.761985Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7f91d9a4fe0d5bb9cb080686d18e6a294bf08a7f8570d776f17eceb0a46ef4c0

Aliases

arxiv: 0808.3394 · arxiv_version: 0808.3394v1 · doi: 10.48550/arxiv.0808.3394 · pith_short_12: P6I5TJH6BVN3 · pith_short_16: P6I5TJH6BVN3TSYI · pith_short_8: P6I5TJH6

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/P6I5TJH6BVN3TSYIA2DNDDTKFF \
  | 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: 7f91d9a4fe0d5bb9cb080686d18e6a294bf08a7f8570d776f17eceb0a46ef4c0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ca0509c1b17e643b7d07a425f42cc494103f671d190cca1b0d14ef608af78d43",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2008-08-25T19:02:48Z",
    "title_canon_sha256": "b3ced4ecb5adda1c18f0651a31df1c8869d17cfa1597c31e4422f47840cc6069"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0808.3394",
    "kind": "arxiv",
    "version": 1
  }
}