Pith Number

pith:URHDP3JR

pith:2011:URHDP3JRCGLTLNU7RJWFCPHKX7

not attested not anchored not stored refs pending

Spectral Methods for Learning Multivariate Latent Tree Structure

Animashree Anandkumar, Daniel Hsu, Kamalika Chaudhuri, Le Song, Sham M. Kakade, Tong Zhang

arxiv:1107.1283 v2 · 2011-07-07 · cs.LG · 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{URHDP3JRCGLTLNU7RJWFCPHKX7}

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	2026-05-18T04:09:25.126652Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a44e37ed31119735b69f8a6c513ceabfe472fe1129070783a78fcf4c6d17edf3

Aliases

arxiv: 1107.1283 · arxiv_version: 1107.1283v2 · doi: 10.48550/arxiv.1107.1283 · pith_short_12: URHDP3JRCGLT · pith_short_16: URHDP3JRCGLTLNU7 · pith_short_8: URHDP3JR

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/URHDP3JRCGLTLNU7RJWFCPHKX7 \
  | 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: a44e37ed31119735b69f8a6c513ceabfe472fe1129070783a78fcf4c6d17edf3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2498d2051c70e019a7437f577efa090687fecb9b0d00122b2e6df3c1077174c6",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2011-07-07T02:33:31Z",
    "title_canon_sha256": "58b27db6f63e65d21f63279e657b700af94f9e697ffa94d6051102a1026545f1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.1283",
    "kind": "arxiv",
    "version": 2
  }
}