Pith Number

pith:4OOFCPK2

pith:2012:4OOFCPK2ND73VOUTMXW6SPBSXF

not attested not anchored not stored refs pending

What does the Allen Gene Expression Atlas tell us about mouse brain evolution?

Anirvan M. Sengupta, Partha P. Mitra, Pascal Grange, Swagatam Mukhopadhyay

arxiv:1206.0324 v1 · 2012-06-01 · q-bio.QM · q-bio.GN · q-bio.NC · q-bio.PE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4OOFCPK2ND73VOUTMXW6SPBSXF}

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	2026-05-18T03:54:25.229049Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e39c513d5a68ffbaba9365ede93c32b96b34cd3592e7d1a548a742ae3e29e842

Aliases

arxiv: 1206.0324 · arxiv_version: 1206.0324v1 · doi: 10.48550/arxiv.1206.0324 · pith_short_12: 4OOFCPK2ND73 · pith_short_16: 4OOFCPK2ND73VOUT · pith_short_8: 4OOFCPK2

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/4OOFCPK2ND73VOUTMXW6SPBSXF \
  | 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: e39c513d5a68ffbaba9365ede93c32b96b34cd3592e7d1a548a742ae3e29e842

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "13299afef823d6a1b8443172884a0337282cf7d28533054e45a0f305dac878ee",
    "cross_cats_sorted": [
      "q-bio.GN",
      "q-bio.NC",
      "q-bio.PE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.QM",
    "submitted_at": "2012-06-01T22:54:52Z",
    "title_canon_sha256": "4c89a50a08a8fef47868317b13975b43d2e0d525f1d02c5fa1349908a91a7513"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1206.0324",
    "kind": "arxiv",
    "version": 1
  }
}