Pith Number

pith:P426NILX

pith:2012:P426NILXQOPEKDTCCIACRPL4NT

not attested not anchored not stored refs pending

The failure of the law of brevity in two New World primates. Statistical caveats

Antoni Hern\'andez-Fern\'andez, Ramon Ferrer-i-Cancho

arxiv:1204.3198 v2 · 2012-04-14 · q-bio.NC · cs.CL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{P426NILXQOPEKDTCCIACRPL4NT}

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	2026-05-18T02:32:22.793195Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7f35e6a177839e450e62120028bd7c6cfc3468d08858fac34300bb3d3efa32bf

Aliases

arxiv: 1204.3198 · arxiv_version: 1204.3198v2 · doi: 10.48550/arxiv.1204.3198 · pith_short_12: P426NILXQOPE · pith_short_16: P426NILXQOPEKDTC · pith_short_8: P426NILX

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/P426NILXQOPEKDTCCIACRPL4NT \
  | 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: 7f35e6a177839e450e62120028bd7c6cfc3468d08858fac34300bb3d3efa32bf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e9957fe23eccbcc1059567f267278a31aeb64db5e600a658db98b71f43fbe02f",
    "cross_cats_sorted": [
      "cs.CL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.NC",
    "submitted_at": "2012-04-14T19:25:54Z",
    "title_canon_sha256": "78960620a550b770c017a883404721130561a6ad177101b1dd5b209b3266bf96"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.3198",
    "kind": "arxiv",
    "version": 2
  }
}