Pith Number

pith:LP7FFGZD

pith:2018:LP7FFGZD2I7QP33MW3FPHOFDPE

not attested not anchored not stored refs pending

Modeling the growth of organisms validates a general relation between metabolic costs and natural selection

Efe Ilker, Michael Hinczewski

arxiv:1806.11184 v3 · 2018-06-28 · q-bio.PE · cond-mat.stat-mech · 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{LP7FFGZD2I7QP33MW3FPHOFDPE}

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	2026-05-17T23:43:04.990331Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5bfe529b23d23f07ef6cb6caf3b8a3790d7c16760784f394e7516a5dd47e3358

Aliases

arxiv: 1806.11184 · arxiv_version: 1806.11184v3 · doi: 10.48550/arxiv.1806.11184 · pith_short_12: LP7FFGZD2I7Q · pith_short_16: LP7FFGZD2I7QP33M · pith_short_8: LP7FFGZD

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/LP7FFGZD2I7QP33MW3FPHOFDPE \
  | 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: 5bfe529b23d23f07ef6cb6caf3b8a3790d7c16760784f394e7516a5dd47e3358

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9c5e04b1600e756cffe4e56c309bc5f359344cf2e12b9e0873e4988071755aae",
    "cross_cats_sorted": [
      "cond-mat.stat-mech",
      "physics.bio-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2018-06-28T20:55:43Z",
    "title_canon_sha256": "b804bfc19fda7d850f9724df4fea73c1af3a3112538c6a738b5f47fbbbc952ca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.11184",
    "kind": "arxiv",
    "version": 3
  }
}