Pith Number

pith:IP2MNVYK

pith:2014:IP2MNVYKFMQQDY2MD4XJJGCH7W

not attested not anchored not stored refs pending

Optimal Nested Test Plan for Combinatorial Quantitative Group Testing

Chao Wang, Chen-Nee Chuah, Qing Zhao

arxiv:1407.2283 v5 · 2014-07-08 · cs.IT · math.IT · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IP2MNVYKFMQQDY2MD4XJJGCH7W}

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	2026-05-18T00:32:21.897546Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

43f4c6d70a2b2101e34c1f2e949847fdb2b3fe5d293ccd539a3a0cbf2ff617e5

Aliases

arxiv: 1407.2283 · arxiv_version: 1407.2283v5 · doi: 10.48550/arxiv.1407.2283 · pith_short_12: IP2MNVYKFMQQ · pith_short_16: IP2MNVYKFMQQDY2M · pith_short_8: IP2MNVYK

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/IP2MNVYKFMQQDY2MD4XJJGCH7W \
  | 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: 43f4c6d70a2b2101e34c1f2e949847fdb2b3fe5d293ccd539a3a0cbf2ff617e5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "34b6483b5386af6b20f2edb2d1510dc235091ff3d6d8c99fad854f4c7d69ea65",
    "cross_cats_sorted": [
      "math.IT",
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2014-07-08T21:58:47Z",
    "title_canon_sha256": "4f10943eb67795396b76b311ce3f5175262ba5f18b96671bc02f0808f29fa34c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.2283",
    "kind": "arxiv",
    "version": 5
  }
}