Pith Number

pith:3O2UNU45

pith:2009:3O2UNU45UQU5Y52C3NOZKI54JE

not attested not anchored not stored refs pending

Some mathematical refinements concerning error minimization in the genetic code

Harry Buhrman, Leen Stougie, Peter T. S. van der Gulik, Steven M. Kelk, Wouter M. Koolen

arxiv:0909.1442 v2 · 2009-09-08 · q-bio.QM · q-bio.GN

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3O2UNU45UQU5Y52C3NOZKI54JE}

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	2026-05-18T02:24:47.316287Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dbb546d39da429dc7742db5d9523bc493a67913d7cf46217f0ac24154636ba5a

Aliases

arxiv: 0909.1442 · arxiv_version: 0909.1442v2 · doi: 10.48550/arxiv.0909.1442 · pith_short_12: 3O2UNU45UQU5 · pith_short_16: 3O2UNU45UQU5Y52C · pith_short_8: 3O2UNU45

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/3O2UNU45UQU5Y52C3NOZKI54JE \
  | 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: dbb546d39da429dc7742db5d9523bc493a67913d7cf46217f0ac24154636ba5a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "219e889e38fff361ab3d552aac50b3f960afad2793cde3fbfcc3fd24c5707096",
    "cross_cats_sorted": [
      "q-bio.GN"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.QM",
    "submitted_at": "2009-09-08T09:54:21Z",
    "title_canon_sha256": "402d5f403ea7267934193b402c9de9d555035d7bc94db60a13b25e5043bb9bdc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.1442",
    "kind": "arxiv",
    "version": 2
  }
}