Pith Number

pith:I52M6Y2G

pith:2014:I52M6Y2GAHZHIL23JVBLKLQY73

not attested not anchored not stored refs pending

A mathematical approach to territorial pattern formation

Jonathan R. Potts, Mark A. Lewis

arxiv:1404.4548 v2 · 2014-04-17 · 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{I52M6Y2GAHZHIL23JVBLKLQY73}

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	2026-05-18T02:28:54.067604Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4774cf634601f2742f5b4d42b52e18fec9e1e6810e016fb12f0d382a04c693c3

Aliases

arxiv: 1404.4548 · arxiv_version: 1404.4548v2 · doi: 10.48550/arxiv.1404.4548 · pith_short_12: I52M6Y2GAHZH · pith_short_16: I52M6Y2GAHZHIL23 · pith_short_8: I52M6Y2G

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/I52M6Y2GAHZHIL23JVBLKLQY73 \
  | 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: 4774cf634601f2742f5b4d42b52e18fec9e1e6810e016fb12f0d382a04c693c3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ee4e23d14fe9e7d1964795abb0e6bcb97fe89eeb65d1d40db14754325999dfa7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2014-04-17T14:57:07Z",
    "title_canon_sha256": "57508d542cead86e715a64ad1300e402d04b875018c268a4a777e6370e6c3597"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.4548",
    "kind": "arxiv",
    "version": 2
  }
}