Pith Number

pith:JA4SIULL

pith:2013:JA4SIULLZKK6CEGVDZCF6WUZBN

not attested not anchored not stored refs pending

Group testing algorithms: bounds and simulations

Leonardo Baldassini, Matthew Aldridge, Oliver Johnson

arxiv:1306.6438 v2 · 2013-06-27 · cs.IT · math.IT · math.PR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JA4SIULLZKK6CEGVDZCF6WUZBN}

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	2026-05-18T02:51:42.272221Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

483924516bca95e110d51e445f5a990b777bd71a450ee75d7c0ff90121708de3

Aliases

arxiv: 1306.6438 · arxiv_version: 1306.6438v2 · doi: 10.48550/arxiv.1306.6438 · pith_short_12: JA4SIULLZKK6 · pith_short_16: JA4SIULLZKK6CEGV · pith_short_8: JA4SIULL

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/JA4SIULLZKK6CEGVDZCF6WUZBN \
  | 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: 483924516bca95e110d51e445f5a990b777bd71a450ee75d7c0ff90121708de3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "14e58bb59e06938b94ed4540b679c08f03929083889c5902a788699b19b49869",
    "cross_cats_sorted": [
      "math.IT",
      "math.PR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2013-06-27T08:52:06Z",
    "title_canon_sha256": "961a07ab9df3477762e6aa83f4a11cca8b7eae2132793e0de695c1bb50dfa956"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.6438",
    "kind": "arxiv",
    "version": 2
  }
}