Pith Number

pith:PQ7WU6CF

pith:2009:PQ7WU6CFUIXMKR433FRVW6MGIG

not attested not anchored not stored refs pending

Accelerated search kinetics mediated by redox reactions of DNA repair enzymes

Pak-Wing Fok, Tom Chou

arxiv:0905.3211 v1 · 2009-05-20 · q-bio.SC · q-bio.BM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PQ7WU6CFUIXMKR433FRVW6MGIG}

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	2026-05-18T02:13:38.494422Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7c3f6a7845a22ec5479bd9635b798641b600d96f61a015b9f245822ef23fb6a8

Aliases

arxiv: 0905.3211 · arxiv_version: 0905.3211v1 · doi: 10.48550/arxiv.0905.3211 · pith_short_12: PQ7WU6CFUIXM · pith_short_16: PQ7WU6CFUIXMKR43 · pith_short_8: PQ7WU6CF

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/PQ7WU6CFUIXMKR433FRVW6MGIG \
  | 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: 7c3f6a7845a22ec5479bd9635b798641b600d96f61a015b9f245822ef23fb6a8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e969753ee7f922a216f72b29ea9081b82b4d400e18cda42828a230081ce91507",
    "cross_cats_sorted": [
      "q-bio.BM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.SC",
    "submitted_at": "2009-05-20T02:11:38Z",
    "title_canon_sha256": "a43c6c6c66ec579b7af6f93a34de2c194854460f187c85ae506aa8d16ff70fed"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0905.3211",
    "kind": "arxiv",
    "version": 1
  }
}