Pith Number

pith:OZJ5MMCU

pith:2015:OZJ5MMCUPPARHD4T3SLT27O56F

not attested not anchored not stored refs pending

Nonadaptive group testing with random set of defectives

Arya Mazumdar

arxiv:1503.03597 v4 · 2015-03-12 · cs.IT · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OZJ5MMCUPPARHD4T3SLT27O56F}

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	2026-05-18T00:58:10.990730Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7653d630547bc1138f93dc973d7dddf141b97f758cc436284bb4c954a366b8f0

Aliases

arxiv: 1503.03597 · arxiv_version: 1503.03597v4 · doi: 10.48550/arxiv.1503.03597 · pith_short_12: OZJ5MMCUPPAR · pith_short_16: OZJ5MMCUPPARHD4T · pith_short_8: OZJ5MMCU

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/OZJ5MMCUPPARHD4T3SLT27O56F \
  | 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: 7653d630547bc1138f93dc973d7dddf141b97f758cc436284bb4c954a366b8f0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ef3e3f3fef71a32f2ab6001f0e931e9551ee20ef8522b9e0eb5bc8f2e253df5a",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2015-03-12T05:47:16Z",
    "title_canon_sha256": "4f3c8444548be8d225cc5a261fa5842f7d1285f5aac73e58f2c17facccf48265"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.03597",
    "kind": "arxiv",
    "version": 4
  }
}