Pith Number

pith:CLDWGPZ6

pith:2026:CLDWGPZ6AFC64HMG74FPSQPUZU

not attested not anchored not stored refs pending

Metabolic scaling, von Bertalanffy growth and an exponent equation

Hana Krakovsk\'a, Klaus Stiefel, Rudolf Hanel

arxiv:2606.28418 v1 · 2026-06-25 · q-bio.QM · 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{CLDWGPZ6AFC64HMG74FPSQPUZU}

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	2026-06-30T00:15:13.498935Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

12c7633f3e0145ee1d86ff0af941f4cd02c657a8c9614af0a0e977dd193b8ac5

Aliases

arxiv: 2606.28418 · arxiv_version: 2606.28418v1 · doi: 10.48550/arxiv.2606.28418 · pith_short_12: CLDWGPZ6AFC6 · pith_short_16: CLDWGPZ6AFC64HMG · pith_short_8: CLDWGPZ6

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/CLDWGPZ6AFC64HMG74FPSQPUZU \
  | 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: 12c7633f3e0145ee1d86ff0af941f4cd02c657a8c9614af0a0e977dd193b8ac5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e653c79c9d1d986aa0ffc6dc6ac17fef5c917da759146b795cd35a3a99360ac0",
    "cross_cats_sorted": [
      "physics.bio-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "q-bio.QM",
    "submitted_at": "2026-06-25T14:19:19Z",
    "title_canon_sha256": "ee9c602ad73c20c48ac40aa5ab640296f134b92c53d8929fc6072bd9cc4ab7c6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.28418",
    "kind": "arxiv",
    "version": 1
  }
}