Pith Number

pith:CSILB5AP

pith:2009:CSILB5APHYGDTNMSRUFTCQRT5I

not attested not anchored not stored refs pending

Optimizing information flow in small genetic networks. I

Aleksandra M. Walczak, Gasper Tkacik, William Bialek

arxiv:0903.4491 v2 · 2009-03-26 · 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{CSILB5APHYGDTNMSRUFTCQRT5I}

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	2026-05-18T03:17:12.343775Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1490b0f40f3e0c39b5928d0b314233ea0a4e58366d0d9c95557eec8113028041

Aliases

arxiv: 0903.4491 · arxiv_version: 0903.4491v2 · doi: 10.48550/arxiv.0903.4491 · pith_short_12: CSILB5APHYGD · pith_short_16: CSILB5APHYGDTNMS · pith_short_8: CSILB5AP

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/CSILB5APHYGDTNMSRUFTCQRT5I \
  | 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: 1490b0f40f3e0c39b5928d0b314233ea0a4e58366d0d9c95557eec8113028041

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ae5aefb33f44528869eefd770a38287d543efa028358dc47fb7b5c48bdfef973",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.MN",
    "submitted_at": "2009-03-26T00:12:20Z",
    "title_canon_sha256": "c6b30ebd1d44178a86cec2c9a8a9833afec5b3404369333c796ebdf675a6463f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0903.4491",
    "kind": "arxiv",
    "version": 2
  }
}