Pith Number

pith:MCDUHFIR

pith:2010:MCDUHFIREODTQNV26JC45TK6ET

not attested not anchored not stored refs pending

Sparse Group Restricted Boltzmann Machines

Cahngyong Niu, Heng Luo, Ruimin Shen

arxiv:1008.4988 v1 · 2010-08-30 · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MCDUHFIREODTQNV26JC45TK6ET}

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	2026-05-18T04:41:43.281852Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

608743951123873836baf245cecd5e24db72559c5d8df4c98caa001f7491b13c

Aliases

arxiv: 1008.4988 · arxiv_version: 1008.4988v1 · doi: 10.48550/arxiv.1008.4988 · pith_short_12: MCDUHFIREODT · pith_short_16: MCDUHFIREODTQNV2 · pith_short_8: MCDUHFIR

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/MCDUHFIREODTQNV26JC45TK6ET \
  | 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: 608743951123873836baf245cecd5e24db72559c5d8df4c98caa001f7491b13c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f2a95c9973d53006257192857b82a769732f062d75c2a249ba017885f55e0b2c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2010-08-30T02:44:19Z",
    "title_canon_sha256": "10d5c89042da548b1bb488b0f363c31742904f26da3bf04a98575c858b07a13f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1008.4988",
    "kind": "arxiv",
    "version": 1
  }
}