Pith Number

pith:6OO3BXMF

pith:2026:6OO3BXMFTBN52MAABL2N6AYH7R

not attested not anchored not stored refs pending

A sub-Riemannian model of the motor cortex with Wasserstein distance

Alessandro Sarti, Giovanna Citti, Jawad Ali

arxiv:2603.20756 v2 · 2026-03-21 · q-bio.NC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6OO3BXMFTBN52MAABL2N6AYH7R}

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	2026-06-09T02:07:24.531429Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f39db0dd85985bdd30000af4df0307fc5d1338497be7a34afe74c1b7d9a73e6e

Aliases

arxiv: 2603.20756 · arxiv_version: 2603.20756v2 · doi: 10.48550/arxiv.2603.20756 · pith_short_12: 6OO3BXMFTBN5 · pith_short_16: 6OO3BXMFTBN52MAA · pith_short_8: 6OO3BXMF

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/6OO3BXMFTBN52MAABL2N6AYH7R \
  | 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: f39db0dd85985bdd30000af4df0307fc5d1338497be7a34afe74c1b7d9a73e6e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "19fa1175d35079d13a0e74d4139a8cceb1dc18f4177576bb0de0b58235920f56",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "q-bio.NC",
    "submitted_at": "2026-03-21T11:07:15Z",
    "title_canon_sha256": "1c39f025a184578048c4e83fd0a73c3e7c4e5821ba885a0c21af4d6438f33671"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2603.20756",
    "kind": "arxiv",
    "version": 2
  }
}