Pith Number

pith:WQWLWWBC

pith:1997:WQWLWWBCCY2MKQLC72OKECGWOX

not attested not anchored not stored refs pending

Evolution on a Rugged Landscape:Pinning and Aging

Igor Aranson, Lev Tsimring, Valerii Vinokur

arxiv:adap-org/9702002 v1 · 1997-02-11 · adap-org · 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{WQWLWWBCCY2MKQLC72OKECGWOX}

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	2026-05-18T01:37:43.277634Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b42cbb58221634c54162fe9ca208d675ff8b395aaf8334afe3856cbb596f007a

Aliases

arxiv: adap-org/9702002 · arxiv_version: adap-org/9702002v1 · doi: 10.48550/arxiv.adap-org/9702002 · pith_short_12: WQWLWWBCCY2M · pith_short_16: WQWLWWBCCY2MKQLC · pith_short_8: WQWLWWBC

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/WQWLWWBCCY2MKQLC72OKECGWOX \
  | 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: b42cbb58221634c54162fe9ca208d675ff8b395aaf8334afe3856cbb596f007a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d60a68ee73950f089a5b681779cf3f1b984ef8349586044ea74f51e8bb0bf0a1",
    "cross_cats_sorted": [
      "nlin.AO",
      "q-bio"
    ],
    "license": "",
    "primary_cat": "adap-org",
    "submitted_at": "1997-02-11T19:53:45Z",
    "title_canon_sha256": "baba3bccab373d178b5ac0a1bd1cd8c7bffbc702e1b3ddec7a92fe655371c042"
  },
  "schema_version": "1.0",
  "source": {
    "id": "adap-org/9702002",
    "kind": "arxiv",
    "version": 1
  }
}