Pith Number

pith:E4UFBULA

pith:2016:E4UFBULADO6DHBESRUKY2C6ASM

not attested not anchored not stored refs pending

Nonparametric semi-supervised learning of class proportions

Martha White, Michael W. Trosset, Predrag Radivojac, Shantanu Jain

arxiv:1601.01944 v1 · 2016-01-08 · stat.ML · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{E4UFBULADO6DHBESRUKY2C6ASM}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T01:23:11.006197Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

272850d1601bbc3384928d158d0bc093166155d53d431c19c41fb76ed9c1b8ad

Aliases

arxiv: 1601.01944 · arxiv_version: 1601.01944v1 · doi: 10.48550/arxiv.1601.01944 · pith_short_12: E4UFBULADO6D · pith_short_16: E4UFBULADO6DHBES · pith_short_8: E4UFBULA

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/E4UFBULADO6DHBESRUKY2C6ASM \
  | 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: 272850d1601bbc3384928d158d0bc093166155d53d431c19c41fb76ed9c1b8ad

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7fbd965aff3d7b0378611b6fbc0a8bd35267c55aad0010fc8d3b5abc20cc4c02",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2016-01-08T16:56:55Z",
    "title_canon_sha256": "8cbb891bb62cf5ce8e1190c45c7fe21ee2c92a7b971b690bfad41ad6425dc075"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.01944",
    "kind": "arxiv",
    "version": 1
  }
}