Pith Number

pith:UDMOEPGY

pith:2017:UDMOEPGYS4TLVESQR3RNR5FJCE

not attested not anchored not stored refs pending

Three IQs of AI Systems and their Testing Methods

Feng Liu, Ying Liu, Yong Shi

arxiv:1712.06440 v1 · 2017-12-14 · 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{UDMOEPGYS4TLVESQR3RNR5FJCE}

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	2026-05-18T00:27:47.867342Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a0d8e23cd89726ba92508ee2d8f4a91119ae80ab3045ccb9d1e167beea838559

Aliases

arxiv: 1712.06440 · arxiv_version: 1712.06440v1 · doi: 10.48550/arxiv.1712.06440 · pith_short_12: UDMOEPGYS4TL · pith_short_16: UDMOEPGYS4TLVESQ · pith_short_8: UDMOEPGY

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/UDMOEPGYS4TLVESQR3RNR5FJCE \
  | 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: a0d8e23cd89726ba92508ee2d8f4a91119ae80ab3045ccb9d1e167beea838559

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "47e74e4a3edf3c1b8366630a8246c2a42792133f7b70bb5e12d7fb7274d0f08b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2017-12-14T17:49:04Z",
    "title_canon_sha256": "4109cc3a01c894d164e3a35093e316a2658c74faa4e994434638dc4cc851f613"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.06440",
    "kind": "arxiv",
    "version": 1
  }
}