Pith Number

pith:HXYHJZKH

pith:2013:HXYHJZKHM4IDTJ34MKUO23RGMB

not attested not anchored not stored refs pending

On the universality of cognitive tests

David L. Dowe, Jose Hernandez-Orallo

arxiv:1305.1991 v1 · 2013-05-09 · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HXYHJZKHM4IDTJ34MKUO23RGMB}

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	2026-05-18T03:26:09.619547Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3df074e547671039a77c62a8ed6e266067146053ee0e151d8a6ee80ef08aea1a

Aliases

arxiv: 1305.1991 · arxiv_version: 1305.1991v1 · doi: 10.48550/arxiv.1305.1991 · pith_short_12: HXYHJZKHM4ID · pith_short_16: HXYHJZKHM4IDTJ34 · pith_short_8: HXYHJZKH

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/HXYHJZKHM4IDTJ34MKUO23RGMB \
  | 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: 3df074e547671039a77c62a8ed6e266067146053ee0e151d8a6ee80ef08aea1a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "55864e2bda7e2a48146106a83dea4d7997693d65852f61a2d9b367299f2cd3de",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2013-05-09T01:46:38Z",
    "title_canon_sha256": "ef870db015620358615f97c00eedc8291c03786a551144fbf471f63be2752afc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.1991",
    "kind": "arxiv",
    "version": 1
  }
}