Pith Number

pith:JGMJQBLV

pith:2008:JGMJQBLV65FSO275CJ4LLALKH3

not attested not anchored not stored refs pending

Universal scaling in the branching of the Tree of Life

Carlos M. Duarte (4) ((1)IFISC, Claudio J. Tessone (2), E. Alejandro Herrada (1), Emilio Hernandez-Garcia (1), Germany; (4)IMEDEA, Konstantin Klemm (3), Mallorca, Spain), Spain; (2)ETH Zurich, Switzerland; (3)Bioinformatics Leipzig, Victor M. Eguiluz (1)

arxiv:0807.4042 v1 · 2008-07-25 · q-bio.PE · q-bio.QM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JGMJQBLV65FSO275CJ4LLALKH3}

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	2026-05-18T04:20:03.990425Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4998980575f74b276bfd1278b5816a3eee2db3511c0096fe243b763473211a47

Aliases

arxiv: 0807.4042 · arxiv_version: 0807.4042v1 · doi: 10.48550/arxiv.0807.4042 · pith_short_12: JGMJQBLV65FS · pith_short_16: JGMJQBLV65FSO275 · pith_short_8: JGMJQBLV

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/JGMJQBLV65FSO275CJ4LLALKH3 \
  | 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: 4998980575f74b276bfd1278b5816a3eee2db3511c0096fe243b763473211a47

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c4c3465b4ca561dc00a5857aa24eb2f874e7b8cdb5198bfee6b314710ec46462",
    "cross_cats_sorted": [
      "q-bio.QM"
    ],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2008-07-25T09:49:07Z",
    "title_canon_sha256": "2020b45144e9f82016a80766c29dae2492cdfb706947251fb20e867e51395be7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0807.4042",
    "kind": "arxiv",
    "version": 1
  }
}