Pith Number

pith:64EOQ42A

pith:2006:64EOQ42ABH3AEZARYQVEXA4X2E

not attested not anchored not stored refs pending

Collective evolution and the genetic code

Carl Woese, Kalin Vetsigian, Nigel Goldenfeld (University of Illinois at Urbana-Champaign)

arxiv:q-bio/0605036 v1 · 2006-05-22 · q-bio.PE · nlin.AO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{64EOQ42ABH3AEZARYQVEXA4X2E}

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	2026-07-04T17:02:52.284249Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f708e8734009f6026411c42a4b8397d128ef1c8e92bdb370cc927f7ebeba6010

Aliases

arxiv: q-bio/0605036 · arxiv_version: q-bio/0605036v1 · doi: 10.48550/arxiv.q-bio/0605036 · pith_short_12: 64EOQ42ABH3A · pith_short_16: 64EOQ42ABH3AEZAR · pith_short_8: 64EOQ42A

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/64EOQ42ABH3AEZARYQVEXA4X2E \
  | 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: f708e8734009f6026411c42a4b8397d128ef1c8e92bdb370cc927f7ebeba6010

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f252876280b83ecb51b373b06a18abbe5428e86d2fa65b61e25e27ea63caaf74",
    "cross_cats_sorted": [
      "nlin.AO"
    ],
    "license": "",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2006-05-22T16:52:27Z",
    "title_canon_sha256": "ad0e7336666fc54b8c4104260fe05882f38ca50edca4a7c0d952dff07dba8b1d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "q-bio/0605036",
    "kind": "arxiv",
    "version": 1
  }
}