Pith Number

pith:BRJPUEQL

pith:2016:BRJPUEQLKERTOHAHGMJZEU3O7T

not attested not anchored not stored refs pending

Bayesian phylogenetic estimation of fossil ages

Alexei J. Drummond, Tanja Stadler

arxiv:1601.07447 v2 · 2016-01-27 · 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{BRJPUEQLKERTOHAHGMJZEU3O7T}

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	2026-05-18T01:15:51.268152Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0c52fa120b5123371c07331392536efcef9120a872444a360b653f196b39ca4d

Aliases

arxiv: 1601.07447 · arxiv_version: 1601.07447v2 · doi: 10.48550/arxiv.1601.07447 · pith_short_12: BRJPUEQLKERT · pith_short_16: BRJPUEQLKERTOHAH · pith_short_8: BRJPUEQL

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/BRJPUEQLKERTOHAHGMJZEU3O7T \
  | 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: 0c52fa120b5123371c07331392536efcef9120a872444a360b653f196b39ca4d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e8ba9070df467d3c6241c439022ef34dfa07149c5bf7f9cca682cfb5f64ede1e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2016-01-27T16:55:07Z",
    "title_canon_sha256": "a7d0ae6899450803bfb3fd6f1e2f09a94301d82ecc529b1c70ca451ff377f271"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.07447",
    "kind": "arxiv",
    "version": 2
  }
}