Pith Number

pith:QR2BWG2K

pith:2009:QR2BWG2KSVBNOKZ2VWPA43D66E

not attested not anchored not stored refs pending

How to understand the cell by breaking it: network analysis of gene perturbation screens

Florian Markowetz

arxiv:0910.2938 v2 · 2009-10-15 · q-bio.MN · q-bio.QM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QR2BWG2KSVBNOKZ2VWPA43D66E}

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	2026-05-18T04:39:49.363668Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

84741b1b4a9542d72b3aad9e0e6c7ef12d67a643770c3762df9230ede5bd161a

Aliases

arxiv: 0910.2938 · arxiv_version: 0910.2938v2 · doi: 10.48550/arxiv.0910.2938 · pith_short_12: QR2BWG2KSVBN · pith_short_16: QR2BWG2KSVBNOKZ2 · pith_short_8: QR2BWG2K

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/QR2BWG2KSVBNOKZ2VWPA43D66E \
  | 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: 84741b1b4a9542d72b3aad9e0e6c7ef12d67a643770c3762df9230ede5bd161a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fe249fc915c09f497a54d75b9ced41f8921ba446069708849064d2f3f557efd8",
    "cross_cats_sorted": [
      "q-bio.QM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.MN",
    "submitted_at": "2009-10-15T17:07:03Z",
    "title_canon_sha256": "7cbcba78905cc09f436f209b2f3cfd4629eceee854b41143565d181aa727113f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0910.2938",
    "kind": "arxiv",
    "version": 2
  }
}