Pith Number

pith:W4VCLFVQ

pith:2013:W4VCLFVQNW4KWOPZSDKMBTGOSQ

not attested not anchored not stored refs pending

Protein folding tames chaos

Guo-Wei Wei, Kelin Xia

arxiv:1308.2953 v1 · 2013-08-13 · q-bio.BM · physics.bio-ph · q-bio.QM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{W4VCLFVQNW4KWOPZSDKMBTGOSQ}

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	2026-05-18T03:15:58.113679Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b72a2596b06db8ab39f990d4c0ccce942e6f91cc29699d80b13341de61e4aed3

Aliases

arxiv: 1308.2953 · arxiv_version: 1308.2953v1 · doi: 10.48550/arxiv.1308.2953 · pith_short_12: W4VCLFVQNW4K · pith_short_16: W4VCLFVQNW4KWOPZ · pith_short_8: W4VCLFVQ

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/W4VCLFVQNW4KWOPZSDKMBTGOSQ \
  | 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: b72a2596b06db8ab39f990d4c0ccce942e6f91cc29699d80b13341de61e4aed3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "634b6e3b5eff1c81445e3e51e10c4e7306b9abc599c764b84fc3c6d85d455cc7",
    "cross_cats_sorted": [
      "physics.bio-ph",
      "q-bio.QM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.BM",
    "submitted_at": "2013-08-13T19:32:25Z",
    "title_canon_sha256": "8ed5ced22bff6f2bc3f651c8624c9886cee40349192adac558590225546882d7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.2953",
    "kind": "arxiv",
    "version": 1
  }
}