Pith Number

pith:HHTCIJHP

pith:2011:HHTCIJHPW2DRCJOUJVASB7H4Y5

not attested not anchored not stored refs pending

Sparse neural networks with large learning diversity

Claude Berrou, Vincent Gripon

arxiv:1102.4240 v1 · 2011-02-21 · cs.LG · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HHTCIJHPW2DRCJOUJVASB7H4Y5}

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	2026-05-18T04:28:10.640515Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

39e62424efb6871125d44d4120fcfcc76837531c2971c7c50a6b6282728a7a00

Aliases

arxiv: 1102.4240 · arxiv_version: 1102.4240v1 · doi: 10.48550/arxiv.1102.4240 · pith_short_12: HHTCIJHPW2DR · pith_short_16: HHTCIJHPW2DRCJOU · pith_short_8: HHTCIJHP

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/HHTCIJHPW2DRCJOUJVASB7H4Y5 \
  | 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: 39e62424efb6871125d44d4120fcfcc76837531c2971c7c50a6b6282728a7a00

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1202138feb4e12aca914fb5e54aee33f9fe0ba93f7467c56487111028eea9821",
    "cross_cats_sorted": [
      "cs.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2011-02-21T14:48:20Z",
    "title_canon_sha256": "1c4a47258fa5212559959d956f4a1a4b4a5cd46535bcd22f90d322188b9d15ff"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.4240",
    "kind": "arxiv",
    "version": 1
  }
}