Pith Number

pith:7VSXHGW7

pith:2011:7VSXHGW72KDNI2X4JQ3CETUZNS

not attested not anchored not stored refs pending

Bayesian and L1 Approaches to Sparse Unsupervised Learning

Katherine Heller, Shakir Mohamed, Zoubin Ghahramani

arxiv:1106.1157 v3 · 2011-06-06 · cs.LG · cs.AI · 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{7VSXHGW72KDNI2X4JQ3CETUZNS}

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	2026-05-18T03:48:35.632365Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fd65739adfd286d46afc4c36224e996c8abd3a31e10d2f154947ec2f5be4e529

Aliases

arxiv: 1106.1157 · arxiv_version: 1106.1157v3 · doi: 10.48550/arxiv.1106.1157 · pith_short_12: 7VSXHGW72KDN · pith_short_16: 7VSXHGW72KDNI2X4 · pith_short_8: 7VSXHGW7

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/7VSXHGW72KDNI2X4JQ3CETUZNS \
  | 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: fd65739adfd286d46afc4c36224e996c8abd3a31e10d2f154947ec2f5be4e529

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0f42a258700b747a1645b9829bfa0b9abe8419b7370a1c4a0c5d8476e4c9fe6a",
    "cross_cats_sorted": [
      "cs.AI",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2011-06-06T19:24:44Z",
    "title_canon_sha256": "4cbffeca2323003aa6e6f2dfc2c68a60fd22e8c7eb96d98cbc3bf66ba0600710"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1106.1157",
    "kind": "arxiv",
    "version": 3
  }
}