Pith Number

pith:JVNGOHQG

pith:2009:JVNGOHQGI2LXNUO2PV23AAWA4J

not attested not anchored not stored refs pending

Turing Instability for a Ratio-Dependent Predator-Prey Model with Diffusion

Dongwoo Sheen, Imbunm Kim, Shaban Aly

arxiv:0903.4254 v1 · 2009-03-25 · math.DS · math.CA · q-bio.PE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JVNGOHQGI2LXNUO2PV23AAWA4J}

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	2026-05-18T01:19:39.208745Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4d5a671e06469776d1da7d75b002c0e25f52f929e1200c2c318f26a9845c9706

Aliases

arxiv: 0903.4254 · arxiv_version: 0903.4254v1 · doi: 10.48550/arxiv.0903.4254 · pith_short_12: JVNGOHQGI2LX · pith_short_16: JVNGOHQGI2LXNUO2 · pith_short_8: JVNGOHQG

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/JVNGOHQGI2LXNUO2PV23AAWA4J \
  | 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: 4d5a671e06469776d1da7d75b002c0e25f52f929e1200c2c318f26a9845c9706

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8bcd8ab43a982c1fc9feb29ad09ebd22147063eceb711ebf50c1582c3dfdb2d8",
    "cross_cats_sorted": [
      "math.CA",
      "q-bio.PE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2009-03-25T08:27:47Z",
    "title_canon_sha256": "25e12ad1d884802d8d39fbccac8494107f8e8ef74ae8b1364fc85a3f4904903b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0903.4254",
    "kind": "arxiv",
    "version": 1
  }
}