Pith Number

pith:WJUJP7VD

pith:2019:WJUJP7VDXRBITO6BKIX5U67BA5

not attested not anchored not stored refs pending

Inferring phenotypic trait evolution on large trees with many incomplete measurements

Gabriel Hassler, Lam Si Tung Ho, Marc A. Suchard, Max R. Tolkoff, Philippe Lemey, William L. Allen

arxiv:1906.03222 v1 · 2019-06-07 · stat.ME · stat.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WJUJP7VDXRBITO6BKIX5U67BA5}

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	2026-05-17T23:43:54.646975Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b26897fea3bc4289bbc1522fda7be1074d60357f65c9b3c0a37b55316eccc332

Aliases

arxiv: 1906.03222 · arxiv_version: 1906.03222v1 · doi: 10.48550/arxiv.1906.03222 · pith_short_12: WJUJP7VDXRBI · pith_short_16: WJUJP7VDXRBITO6B · pith_short_8: WJUJP7VD

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/WJUJP7VDXRBITO6BKIX5U67BA5 \
  | 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: b26897fea3bc4289bbc1522fda7be1074d60357f65c9b3c0a37b55316eccc332

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e6e24a2b2e7eaede1bfd1f6606db45cb7da790d3f194f71037f5f31c0e6cfdc6",
    "cross_cats_sorted": [
      "stat.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2019-06-07T16:41:55Z",
    "title_canon_sha256": "4ddb8a5610785878024cf67b09f1a59cab36d120bc31232d9459a854390df1ef"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.03222",
    "kind": "arxiv",
    "version": 1
  }
}