Pith Number

pith:EJ7BMOHE

pith:2001:EJ7BMOHEPYAIXWKZOP2NBTX2VC

not attested not anchored not stored refs pending

Biological Evolution and Statistical Physics

Barbara Drossel

arxiv:cond-mat/0101409 v1 · 2001-01-26 · cond-mat.stat-mech · nlin.AO · q-bio

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EJ7BMOHEPYAIXWKZOP2NBTX2VC}

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	2026-05-18T01:40:07.711182Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

227e1638e47e008bd95973f4d0cefaa8a233867b84b52fa1bf0f71819ff1ac86

Aliases

arxiv: cond-mat/0101409 · arxiv_version: cond-mat/0101409v1 · doi: 10.48550/arxiv.cond-mat/0101409 · pith_short_12: EJ7BMOHEPYAI · pith_short_16: EJ7BMOHEPYAIXWKZ · pith_short_8: EJ7BMOHE

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/EJ7BMOHEPYAIXWKZOP2NBTX2VC \
  | 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: 227e1638e47e008bd95973f4d0cefaa8a233867b84b52fa1bf0f71819ff1ac86

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "05d33f13b7ee4a5c429046b7695543b4395f30d0aac4cfd9335b1e0e662fa852",
    "cross_cats_sorted": [
      "nlin.AO",
      "q-bio"
    ],
    "license": "",
    "primary_cat": "cond-mat.stat-mech",
    "submitted_at": "2001-01-26T16:24:44Z",
    "title_canon_sha256": "41b4aeba0984c78e2f48cc5972b0f52e42edea0a80b540697f2ae390be8711db"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cond-mat/0101409",
    "kind": "arxiv",
    "version": 1
  }
}