Pith Number

pith:UQREGLRM

pith:2012:UQREGLRM7LHUUJ5PWV2VGAIFGU

not attested not anchored not stored refs pending

Tree-dependent Component Analysis

Francis R. Bach, Michael I. Jordan

arxiv:1301.0554 v1 · 2012-12-12 · 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{UQREGLRM7LHUUJ5PWV2VGAIFGU}

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	2026-05-18T03:37:18.614249Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a422432e2cfacf4a27afb57553010535174785981084ced3fe5686b42aaf77ee

Aliases

arxiv: 1301.0554 · arxiv_version: 1301.0554v1 · doi: 10.48550/arxiv.1301.0554 · pith_short_12: UQREGLRM7LHU · pith_short_16: UQREGLRM7LHUUJ5P · pith_short_8: UQREGLRM

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/UQREGLRM7LHUUJ5PWV2VGAIFGU \
  | 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: a422432e2cfacf4a27afb57553010535174785981084ced3fe5686b42aaf77ee

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5b9585306a8583d895e567fd0e17513821fee8ea689e381666f0ae11a4f7cf3e",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2012-12-12T15:55:17Z",
    "title_canon_sha256": "cab5ddc5be74dd330bf7af8d687d71ea61f1e2366beb22796e24fd1283871ae2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.0554",
    "kind": "arxiv",
    "version": 1
  }
}