Pith Number

pith:FFGXRERA

pith:2018:FFGXRERA72AZ7QVZQF7QU3WYHO

not attested not anchored not stored refs pending

Advice from the Oracle: Really Intelligent Information Retrieval

Michael J. Kurtz

arxiv:1801.00815 v1 · 2018-01-02 · cs.AI · astro-ph.IM · physics.soc-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FFGXRERA72AZ7QVZQF7QU3WYHO}

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	2026-05-18T00:26:48.732967Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

294d789220fe819fc2b9817f0a6ed83b8cf71a49f1e87dc3ec572cd5fdc2fa74

Aliases

arxiv: 1801.00815 · arxiv_version: 1801.00815v1 · doi: 10.48550/arxiv.1801.00815 · pith_short_12: FFGXRERA72AZ · pith_short_16: FFGXRERA72AZ7QVZ · pith_short_8: FFGXRERA

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/FFGXRERA72AZ7QVZQF7QU3WYHO \
  | 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: 294d789220fe819fc2b9817f0a6ed83b8cf71a49f1e87dc3ec572cd5fdc2fa74

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a6fba9b67fc187bfba325f84d7ae06db5c73a0b3900341ec869ac5922f586667",
    "cross_cats_sorted": [
      "astro-ph.IM",
      "physics.soc-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2018-01-02T19:36:22Z",
    "title_canon_sha256": "8d0342767de55de0d1c59fa2a5e2b8ceac35021c56b8569138ea905cee48e68e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.00815",
    "kind": "arxiv",
    "version": 1
  }
}