Pith Number

pith:JFW4BEQD

pith:2010:JFW4BEQD6XDSRBARPIPJGFCLDG

not attested not anchored not stored refs pending

How to build a DNA search engine like Google?

Fang Bo, Wang Liang

arxiv:1006.4114 v4 · 2010-06-21 · q-bio.GN · cs.ET · cs.IR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JFW4BEQD6XDSRBARPIPJGFCLDG}

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	2026-05-18T04:11:28.976037Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

496dc09203f5c72884117a1e93144b199f176def5b55740f98e7dc2b2104c989

Aliases

arxiv: 1006.4114 · arxiv_version: 1006.4114v4 · doi: 10.48550/arxiv.1006.4114 · pith_short_12: JFW4BEQD6XDS · pith_short_16: JFW4BEQD6XDSRBAR · pith_short_8: JFW4BEQD

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/JFW4BEQD6XDSRBARPIPJGFCLDG \
  | 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: 496dc09203f5c72884117a1e93144b199f176def5b55740f98e7dc2b2104c989

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "437e0da40987774bf25923ce61abee47d90b6df58baab6baa280a86390772eb8",
    "cross_cats_sorted": [
      "cs.ET",
      "cs.IR"
    ],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "q-bio.GN",
    "submitted_at": "2010-06-21T16:41:46Z",
    "title_canon_sha256": "9e3e3685e2173cacabaf812c9990849ef942c96d14b4a5e6ea1289b5d93dd8c4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1006.4114",
    "kind": "arxiv",
    "version": 4
  }
}