Pith Number

pith:RIPBWMLO

pith:2017:RIPBWMLOPEWSWXCDGXUKIW36ZK

not attested not anchored not stored refs pending

Learning Pairwise Disjoint Simple Languages from Positive Examples

Alexis Linard, Frits Vaandrager, Joost van Pinxten, Rick Smetsers, Sicco Verwer, Umar Waqas

arxiv:1706.01663 v1 · 2017-06-06 · cs.LG · cs.FL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RIPBWMLOPEWSWXCDGXUKIW36ZK}

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	2026-05-18T00:42:56.331385Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8a1e1b316e792d2b5c4335e8a45b7eca864db1e25ec2fb0f65eb0f14494839ef

Aliases

arxiv: 1706.01663 · arxiv_version: 1706.01663v1 · doi: 10.48550/arxiv.1706.01663 · pith_short_12: RIPBWMLOPEWS · pith_short_16: RIPBWMLOPEWSWXCD · pith_short_8: RIPBWMLO

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/RIPBWMLOPEWSWXCDGXUKIW36ZK \
  | 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: 8a1e1b316e792d2b5c4335e8a45b7eca864db1e25ec2fb0f65eb0f14494839ef

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3c62e33e5143449207e12d7438c7995eb16b24b993ad9a4a902a7f1674da08cc",
    "cross_cats_sorted": [
      "cs.FL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2017-06-06T09:03:17Z",
    "title_canon_sha256": "ba1bdbe9b1437a26754ac416b39dfe6148cffd4d3267fb19362611d5cf2a7cb1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.01663",
    "kind": "arxiv",
    "version": 1
  }
}