Pith Number

pith:WB5OQKBU

pith:2014:WB5OQKBUL6TDASH2KJD2LHCBKH

not attested not anchored not stored refs pending

How to partition diversity

Christina A. Cobbold, Jill Thompson, Louise Matthews, Neil Brummitt, Richard Reeve, Sonia N. Mitchell, Tom Leinster

arxiv:1404.6520 v3 · 2014-04-25 · q-bio.QM · 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{WB5OQKBUL6TDASH2KJD2LHCBKH}

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	2026-05-18T00:55:34.574085Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b07ae828345fa63048fa5247a59c4151ca7755370f1cdf2eb4bbbd50f88e3163

Aliases

arxiv: 1404.6520 · arxiv_version: 1404.6520v3 · doi: 10.48550/arxiv.1404.6520 · pith_short_12: WB5OQKBUL6TD · pith_short_16: WB5OQKBUL6TDASH2 · pith_short_8: WB5OQKBU

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/WB5OQKBUL6TDASH2KJD2LHCBKH \
  | 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: b07ae828345fa63048fa5247a59c4151ca7755370f1cdf2eb4bbbd50f88e3163

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f23ba218c7c761656bc7bd1392a9fe525eefe16b0f4b1edc7b896466d9f66491",
    "cross_cats_sorted": [
      "q-bio.PE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.QM",
    "submitted_at": "2014-04-25T19:58:04Z",
    "title_canon_sha256": "11a7347269cb64746defd7a37ba4dce522d8f0a8cc4c8584b1f8053d38e608c9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.6520",
    "kind": "arxiv",
    "version": 3
  }
}