Pith Number

pith:QBVGGICK

pith:2007:QBVGGICKMXQ4CRYQZAVZYFWMER

not attested not anchored not stored refs pending

Designing sequential transcription logic: a simple genetic circuit for conditional memory

Georg Fritz, Nicolas E. Buchler, Terence Hwa, Ulrich Gerland

arxiv:q-bio/0701011 v2 · 2007-01-05 · q-bio.MN

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QBVGGICKMXQ4CRYQZAVZYFWMER}

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	2026-05-18T04:40:46.610449Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

806a63204a65e1c14710c82b9c16cc244c0511ca334e049e1752c948ee649b0d

Aliases

arxiv: q-bio/0701011 · arxiv_version: q-bio/0701011v2 · doi: 10.48550/arxiv.q-bio/0701011 · pith_short_12: QBVGGICKMXQ4 · pith_short_16: QBVGGICKMXQ4CRYQ · pith_short_8: QBVGGICK

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/QBVGGICKMXQ4CRYQZAVZYFWMER \
  | 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: 806a63204a65e1c14710c82b9c16cc244c0511ca334e049e1752c948ee649b0d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0e83c4f82baaa2da8acf7ae72b1fd58ab2fefea0ddac01b77e2edd658c0793fc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.MN",
    "submitted_at": "2007-01-05T00:49:47Z",
    "title_canon_sha256": "21950c22590a52552b4ee8a2ac399e82311d0b436263d6e473dd89585c0a5af8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "q-bio/0701011",
    "kind": "arxiv",
    "version": 2
  }
}