pith. sign in
Pith Number

pith:6GZXRXVH

pith:2011:6GZXRXVHYTVYMQDCHQQMKUFF62
not attested not anchored not stored refs pending

Perception of categories: from coding efficiency to reaction times

Jean-Pierre Nadal, Laurent Bonnasse-Gahot

arxiv:1102.4749 v1 · 2011-02-23 · q-bio.NC · physics.bio-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{6GZXRXVHYTVYMQDCHQQMKUFF62}

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 2026-05-18T04:01:13.227014Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

f1b378dea7c4eb8640623c20c550a5f6ad48151add4886a2d6ae6ffb8babb9cf

Aliases

arxiv: 1102.4749 · arxiv_version: 1102.4749v1 · doi: 10.48550/arxiv.1102.4749 · pith_short_12: 6GZXRXVHYTVY · pith_short_16: 6GZXRXVHYTVYMQDC · pith_short_8: 6GZXRXVH
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/6GZXRXVHYTVYMQDCHQQMKUFF62 \
  | 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: f1b378dea7c4eb8640623c20c550a5f6ad48151add4886a2d6ae6ffb8babb9cf
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "4a0f369d8b3c2aa673c88ebafc3baec84b840cb75e1d490d421c2c509bfd6c54",
    "cross_cats_sorted": [
      "physics.bio-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.NC",
    "submitted_at": "2011-02-23T14:32:28Z",
    "title_canon_sha256": "9348913317d74072014c9033dfe02f9cb698aead973aadac9596319430e455bb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.4749",
    "kind": "arxiv",
    "version": 1
  }
}