Pith Number

pith:SSF6TL6V

pith:2018:SSF6TL6VSW7HBM2UI7Z34VFBPQ

not attested not anchored not stored refs pending

Neural Network Quine

Hod Lipson, Oscar Chang

arxiv:1803.05859 v4 · 2018-03-15 · cs.AI · cs.NE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SSF6TL6VSW7HBM2UI7Z34VFBPQ}

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	2026-05-18T00:14:59.383042Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

948be9afd595be70b35447f3be54a17c05ba2a68c59062e6b81066b0c50ce696

Aliases

arxiv: 1803.05859 · arxiv_version: 1803.05859v4 · doi: 10.48550/arxiv.1803.05859 · pith_short_12: SSF6TL6VSW7H · pith_short_16: SSF6TL6VSW7HBM2U · pith_short_8: SSF6TL6V

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/SSF6TL6VSW7HBM2UI7Z34VFBPQ \
  | 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: 948be9afd595be70b35447f3be54a17c05ba2a68c59062e6b81066b0c50ce696

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "533c7d1e604165103989752bac758d28e31baa221f6458a2c60bc410e7a480bb",
    "cross_cats_sorted": [
      "cs.NE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2018-03-15T16:54:43Z",
    "title_canon_sha256": "df8d736b1428f9b68472a2cae3cc571f4df980d4a71bb97d0b7e0607d141714f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.05859",
    "kind": "arxiv",
    "version": 4
  }
}