Pith Number

pith:JL42GEAC

pith:2018:JL42GEACETH5UN7NJCACEY2RVK

not attested not anchored not stored refs pending

How does the AI understand what's going on

Dimiter Dobrev

arxiv:1805.00851 v1 · 2018-04-27 · 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{JL42GEACETH5UN7NJCACEY2RVK}

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	2026-05-18T00:16:57.482656Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4af9a3100224cfda37ed4880226351aa8961f183daeda6435fb122786ab8f35c

Aliases

arxiv: 1805.00851 · arxiv_version: 1805.00851v1 · doi: 10.48550/arxiv.1805.00851 · pith_short_12: JL42GEACETH5 · pith_short_16: JL42GEACETH5UN7N · pith_short_8: JL42GEAC

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/JL42GEACETH5UN7NJCACEY2RVK \
  | 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: 4af9a3100224cfda37ed4880226351aa8961f183daeda6435fb122786ab8f35c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "894358b58344816383dd038e8b4d11a42f90fbda6fb89b7103f881e2028c862d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2018-04-27T11:06:29Z",
    "title_canon_sha256": "afe11e68be935e7a8f8bdb4b2ba396861b2ab57db37f83546872aae7513292d4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.00851",
    "kind": "arxiv",
    "version": 1
  }
}