Pith Number

pith:2XZBVP2M

pith:2021:2XZBVP2MYXLEB3N4JGTM7TVYVI

not attested not anchored not stored refs pending

Comparing the Value of Labeled and Unlabeled Data in Method-of-Moments Latent Variable Estimation

Benjamin Cohen-Wang, Christopher R\'e, Frederic Sala, Mayee F. Chen, Stephen Mussmann

arxiv:2103.02761 v1 · 2021-03-03 · 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{2XZBVP2MYXLEB3N4JGTM7TVYVI}

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	2026-07-05T02:20:20.781670Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d5f21abf4cc5d640edbc49a6cfceb8aa2be390ff422a3680f65b916bd9100519

Aliases

arxiv: 2103.02761 · arxiv_version: 2103.02761v1 · doi: 10.48550/arxiv.2103.02761 · pith_short_12: 2XZBVP2MYXLE · pith_short_16: 2XZBVP2MYXLEB3N4 · pith_short_8: 2XZBVP2M

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/2XZBVP2MYXLEB3N4JGTM7TVYVI \
  | 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: d5f21abf4cc5d640edbc49a6cfceb8aa2be390ff422a3680f65b916bd9100519

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a22584fe802396ece5af5654ff0592cc0e4d0fa68ea7526dd1ac1b23fde2d163",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2021-03-03T23:52:38Z",
    "title_canon_sha256": "e9bd564f816faf879e4fd8b91252f4f370012595bbfc6da8f35cfef99b60536a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.02761",
    "kind": "arxiv",
    "version": 1
  }
}