Pith Number

pith:43EE6MQW

pith:2011:43EE6MQWB6MRT6I5QEHHBLNQPE

not attested not anchored not stored refs pending

Calibrated Tree Priors for Relaxed Phylogenetics and Divergence Time Estimation

Alexei Drummond, Heled Joseph

arxiv:1103.5780 v1 · 2011-03-29 · 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{43EE6MQWB6MRT6I5QEHHBLNQPE}

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	2026-05-18T04:25:27.593123Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e6c84f32160f9919f91d810e70adb079210a49a80825cdc4abf78f3cb213bb48

Aliases

arxiv: 1103.5780 · arxiv_version: 1103.5780v1 · doi: 10.48550/arxiv.1103.5780 · pith_short_12: 43EE6MQWB6MR · pith_short_16: 43EE6MQWB6MRT6I5 · pith_short_8: 43EE6MQW

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/43EE6MQWB6MRT6I5QEHHBLNQPE \
  | 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: e6c84f32160f9919f91d810e70adb079210a49a80825cdc4abf78f3cb213bb48

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8e3eb149bc9edf5c881f1b0af20807a862aa9a39932a259c6c8791a55238aaf1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2011-03-29T22:03:08Z",
    "title_canon_sha256": "908e99bc74a96f6e0742e736a8cad6b217c9557e4932c710b5ec5c4f10f9caf6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.5780",
    "kind": "arxiv",
    "version": 1
  }
}