Pith Number

pith:GR6EXINU

pith:2013:GR6EXINUCSYBIX2Q5OL5LHLS5K

not attested not anchored not stored refs pending

On the definition of a general learning system with user-defined operators

C\`esar Ferri, Fernando Mart\'inez-Plumed, Jos\'e Hern\'andez-Orallo, Mar\'ia-Jos\'e Ram\'irez-Quintana

arxiv:1311.4235 v1 · 2013-11-18 · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GR6EXINUCSYBIX2Q5OL5LHLS5K}

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	2026-05-18T03:06:53.246015Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

347c4ba1b414b0145f50eb97d59d72ea819638ee7908900378672466a9d3788f

Aliases

arxiv: 1311.4235 · arxiv_version: 1311.4235v1 · doi: 10.48550/arxiv.1311.4235 · pith_short_12: GR6EXINUCSYB · pith_short_16: GR6EXINUCSYBIX2Q · pith_short_8: GR6EXINU

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/GR6EXINUCSYBIX2Q5OL5LHLS5K \
  | 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: 347c4ba1b414b0145f50eb97d59d72ea819638ee7908900378672466a9d3788f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c7d4c7af227caf251473785bb8681ac100eec1362ad75d09b33807509251bc09",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2013-11-18T00:48:14Z",
    "title_canon_sha256": "6d8f27dcdf77bb5bd1388bda9eb5c93ea3c230bae1d6be24e68b611c7703b08d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.4235",
    "kind": "arxiv",
    "version": 1
  }
}