Pith Number

pith:A2EL52KT

pith:2018:A2EL52KTC3MHBTIFG5LTIDH6B3

not attested not anchored not stored refs pending

The limit of artificial intelligence: Can machines be rational?

Tshilidzi Marwala

arxiv:1812.06510 v1 · 2018-12-16 · 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{A2EL52KTC3MHBTIFG5LTIDH6B3}

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	2026-05-17T23:58:10.038450Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0688bee95316d870cd053757340cfe0ec2d586c0da3e6cc943b607293358f46d

Aliases

arxiv: 1812.06510 · arxiv_version: 1812.06510v1 · doi: 10.48550/arxiv.1812.06510 · pith_short_12: A2EL52KTC3MH · pith_short_16: A2EL52KTC3MHBTIF · pith_short_8: A2EL52KT

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/A2EL52KTC3MHBTIFG5LTIDH6B3 \
  | 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: 0688bee95316d870cd053757340cfe0ec2d586c0da3e6cc943b607293358f46d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "82ab6fdee0e002140a7fb496ef858f4296db2399eedf0bdc8015ae316c191288",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2018-12-16T17:57:16Z",
    "title_canon_sha256": "99309b97ecdf9e91e2892aef2284b46d7418dd124bac24bcef6ebc7dfe9cb6c3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.06510",
    "kind": "arxiv",
    "version": 1
  }
}