Pith Number

pith:X6XYC4WV

pith:2014:X6XYC4WVPWUPIVI54XTDWRMMSO

not attested not anchored not stored refs pending

Statistical Properties of Pairwise Distances between Leaves on a Random Yule Tree

Florian Massip, Michael Sheinman, Peter F. Arndt

arxiv:1407.7821 v2 · 2014-07-29 · q-bio.PE · physics.bio-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{X6XYC4WVPWUPIVI54XTDWRMMSO}

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	2026-05-18T02:19:50.476993Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bfaf8172d57da8f4551de5e63b458c9399aad1bfd1832cde43b6a0a9d14db4b8

Aliases

arxiv: 1407.7821 · arxiv_version: 1407.7821v2 · doi: 10.48550/arxiv.1407.7821 · pith_short_12: X6XYC4WVPWUP · pith_short_16: X6XYC4WVPWUPIVI5 · pith_short_8: X6XYC4WV

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/X6XYC4WVPWUPIVI54XTDWRMMSO \
  | 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: bfaf8172d57da8f4551de5e63b458c9399aad1bfd1832cde43b6a0a9d14db4b8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "258c32a1886b21022c8e622f452bfbb022773c3b45c0d35b8ce5a8a88fdba8c9",
    "cross_cats_sorted": [
      "physics.bio-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2014-07-29T18:49:36Z",
    "title_canon_sha256": "5fafcd0ae46b3bf04a5ea68bda251c140f9e20a629c5d4b0cd4d10c1f3ba339a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.7821",
    "kind": "arxiv",
    "version": 2
  }
}