Pith Number

pith:PM4CKUDV

pith:2018:PM4CKUDVOJWQ4TQ6DKM4TK4AUU

not attested not anchored not stored refs pending

On the Optimality of the Kautz-Singleton Construction in Probabilistic Group Testing

Ayfer Ozgur, Huseyin A. Inan, Mary Wootters, Peter Kairouz

arxiv:1808.01457 v2 · 2018-08-04 · 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{PM4CKUDVOJWQ4TQ6DKM4TK4AUU}

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	2026-05-17T23:52:41.354979Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7b38255075726d0e4e1e1a99c9ab80a5239eca85ae021735d9b64e53a407731d

Aliases

arxiv: 1808.01457 · arxiv_version: 1808.01457v2 · doi: 10.48550/arxiv.1808.01457 · pith_short_12: PM4CKUDVOJWQ · pith_short_16: PM4CKUDVOJWQ4TQ6 · pith_short_8: PM4CKUDV

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/PM4CKUDVOJWQ4TQ6DKM4TK4AUU \
  | 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: 7b38255075726d0e4e1e1a99c9ab80a5239eca85ae021735d9b64e53a407731d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8b4cea448c12ef40cde224408d5ef92abee3628780db6dd64d631af3aef5e156",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2018-08-04T09:30:44Z",
    "title_canon_sha256": "a0c653320927e423e6228f150217b686b69fb0042fc73ea11a58975c0fb68c2b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.01457",
    "kind": "arxiv",
    "version": 2
  }
}