Pith Number

pith:4NUBNM5L

pith:2009:4NUBNM5LG442YKXGKIUSBXG2HA

not attested not anchored not stored refs pending

Robustness under functional constraint: The genetic network for temporal expression in Drosophila neurogenesis

Akihiko Nakajima, Kunihiko Kaneko, Shuji Ishihara, Takako Isshiki

arxiv:0910.5572 v1 · 2009-10-29 · 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{4NUBNM5LG442YKXGKIUSBXG2HA}

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	2026-05-18T02:11:01.845801Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e36816b3ab3739ac2ae6522920dcda382016591b2716c7224873410a17ec115e

Aliases

arxiv: 0910.5572 · arxiv_version: 0910.5572v1 · doi: 10.48550/arxiv.0910.5572 · pith_short_12: 4NUBNM5LG442 · pith_short_16: 4NUBNM5LG442YKXG · pith_short_8: 4NUBNM5L

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/4NUBNM5LG442YKXGKIUSBXG2HA \
  | 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: e36816b3ab3739ac2ae6522920dcda382016591b2716c7224873410a17ec115e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e43d4030a1a68ea0be3c55cfe16c5290df3426b0050e2f377c58360c0417a2c9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.MN",
    "submitted_at": "2009-10-29T08:12:56Z",
    "title_canon_sha256": "563339a72c0334ee8af27748ab7f3ac1edf7541b22f10dd34da8b1d358181656"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0910.5572",
    "kind": "arxiv",
    "version": 1
  }
}