Pith Number

pith:RQZWTRUQ

pith:2014:RQZWTRUQXQJQPVJN6SRHVUG72L

not attested not anchored not stored refs pending

On the distribution of interspecies correlation for Markov models of character evolution on Yule trees

Forrest W. Crawford, Willem H. Mulder

arxiv:1403.4223 v3 · 2014-03-17 · 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{RQZWTRUQXQJQPVJN6SRHVUG72L}

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	2026-05-18T02:45:12.483120Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8c3369c690bc1307d52df4a27ad0dfd2cb8300b7220b80ddc5fa4fce9e9dca87

Aliases

arxiv: 1403.4223 · arxiv_version: 1403.4223v3 · doi: 10.48550/arxiv.1403.4223 · pith_short_12: RQZWTRUQXQJQ · pith_short_16: RQZWTRUQXQJQPVJN · pith_short_8: RQZWTRUQ

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/RQZWTRUQXQJQPVJN6SRHVUG72L \
  | 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: 8c3369c690bc1307d52df4a27ad0dfd2cb8300b7220b80ddc5fa4fce9e9dca87

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e6224f0a05b61916bd869ba1486328a5ca4f747a548a748426d02fdb1da39b62",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2014-03-17T19:32:17Z",
    "title_canon_sha256": "36df644247f8ecd2a46c48e9d45dad0b6caaf671271bc77778020540fdbe0920"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.4223",
    "kind": "arxiv",
    "version": 3
  }
}