Pith Number

pith:4JO23FTQ

pith:2011:4JO23FTQVGMRXY3UZ4DRYTEKU7

not attested not anchored not stored refs pending

Number of adaptive steps to a local fitness peak

Kavita Jain

arxiv:1109.1235 v2 · 2011-09-06 · q-bio.PE · cond-mat.stat-mech

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4JO23FTQVGMRXY3UZ4DRYTEKU7}

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	2026-05-18T02:00:38.856183Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e25dad9670a9991be374cf071c4c8aa7d347c77610619d38de75ede9cf12ccbe

Aliases

arxiv: 1109.1235 · arxiv_version: 1109.1235v2 · doi: 10.48550/arxiv.1109.1235 · pith_short_12: 4JO23FTQVGMR · pith_short_16: 4JO23FTQVGMRXY3U · pith_short_8: 4JO23FTQ

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/4JO23FTQVGMRXY3UZ4DRYTEKU7 \
  | 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: e25dad9670a9991be374cf071c4c8aa7d347c77610619d38de75ede9cf12ccbe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "90b188f914a9998e38f68120df41067a4e895c9b1829c02a0026ad27cf3f36fe",
    "cross_cats_sorted": [
      "cond-mat.stat-mech"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2011-09-06T17:18:29Z",
    "title_canon_sha256": "430337757704e1ca8d29e31e10d3048b8304e34bf4acb8d43ec3154bfa5f81f3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.1235",
    "kind": "arxiv",
    "version": 2
  }
}