Pith Number

pith:FNDPKOYA

pith:2012:FNDPKOYARMBRWLBO2WL4MNF4SP

not attested not anchored not stored refs pending

Diversity, disparity, and evolutionary rate estimation for unresolved Yule trees

Forrest W. Crawford, Marc A. Suchard

arxiv:1207.5032 v1 · 2012-07-20 · 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{FNDPKOYARMBRWLBO2WL4MNF4SP}

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	2026-05-18T03:50:34.498124Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2b46f53b008b031b2c2ed597c634bc93ef65b8f18a6ee514f1639f69f9e7e148

Aliases

arxiv: 1207.5032 · arxiv_version: 1207.5032v1 · doi: 10.48550/arxiv.1207.5032 · pith_short_12: FNDPKOYARMBR · pith_short_16: FNDPKOYARMBRWLBO · pith_short_8: FNDPKOYA

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/FNDPKOYARMBRWLBO2WL4MNF4SP \
  | 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: 2b46f53b008b031b2c2ed597c634bc93ef65b8f18a6ee514f1639f69f9e7e148

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b9942661f896c91620f5a9e3e242e638628a4ad4b53300df8bb5ddc89a647168",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2012-07-20T19:28:27Z",
    "title_canon_sha256": "d9655923713aa06347e59c24a864377757ba3ed1056b7724c7291f4bcdb75665"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.5032",
    "kind": "arxiv",
    "version": 1
  }
}