Pith Number

pith:PCXRVT4J

pith:2014:PCXRVT4JV54YS2GD2CIBZUYFC5

not attested not anchored not stored refs pending

Probabilistic Group Testing under Sum Observations: A Parallelizable 2-Approximation for Entropy Loss

Bruno M. Jedynak, Peter I. Frazier, Purnima Rajan, Weidong Han

arxiv:1407.4446 v3 · 2014-07-16 · cs.IT · cs.LG · math.IT · math.OC · math.ST · stat.ML · stat.TH

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PCXRVT4JV54YS2GD2CIBZUYFC5}

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	2026-05-18T01:32:19.024430Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

78af1acf89af798968c3d0901cd3051741c00f125571b96318c4856b3f67ec73

Aliases

arxiv: 1407.4446 · arxiv_version: 1407.4446v3 · doi: 10.48550/arxiv.1407.4446 · pith_short_12: PCXRVT4JV54Y · pith_short_16: PCXRVT4JV54YS2GD · pith_short_8: PCXRVT4J

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/PCXRVT4JV54YS2GD2CIBZUYFC5 \
  | 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: 78af1acf89af798968c3d0901cd3051741c00f125571b96318c4856b3f67ec73

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "97682e3c75d5d0439fb47ae4215fa55529acf6eb665bd7706d60a096a029a751",
    "cross_cats_sorted": [
      "cs.LG",
      "math.IT",
      "math.OC",
      "math.ST",
      "stat.ML",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2014-07-16T19:55:51Z",
    "title_canon_sha256": "a61ed2c475f78e9f49a896c0a7de9c66981b09bb2bdc8cb15944c28b16b0d458"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.4446",
    "kind": "arxiv",
    "version": 3
  }
}