Pith Number

pith:B7QMYKMV

pith:2012:B7QMYKMVG2AJ2I4HMBWYDSPMII

not attested not anchored not stored refs pending

Cortical columns for quick brains

Britta Stoop, Clemens Wagner, Ralph L. Stoop, Ruedi Stoop, Victor Saase

arxiv:1204.4558 v1 · 2012-04-20 · q-bio.NC · physics.bio-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{B7QMYKMVG2AJ2I4HMBWYDSPMII}

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	2026-05-18T03:57:26.144407Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0fe0cc299536809d2387606d81c9ec4206244fb40350b7f601ef61e5bdc4c877

Aliases

arxiv: 1204.4558 · arxiv_version: 1204.4558v1 · doi: 10.48550/arxiv.1204.4558 · pith_short_12: B7QMYKMVG2AJ · pith_short_16: B7QMYKMVG2AJ2I4H · pith_short_8: B7QMYKMV

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/B7QMYKMVG2AJ2I4HMBWYDSPMII \
  | 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: 0fe0cc299536809d2387606d81c9ec4206244fb40350b7f601ef61e5bdc4c877

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dcc5471ca208db8b2b88a9c35219764476c62fb3d640b5d4922d85dd6cebd2e5",
    "cross_cats_sorted": [
      "physics.bio-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.NC",
    "submitted_at": "2012-04-20T08:19:08Z",
    "title_canon_sha256": "ee402d8cf1246ce27897bad0419da964ed03d04c70f28c987b3def1af7a259e3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.4558",
    "kind": "arxiv",
    "version": 1
  }
}