Pith Number

pith:VPA53E7E

pith:2017:VPA53E7EEOEVUEMIG6JK5NFT5P

not attested not anchored not stored refs pending

On optimal policy in the group testing with incomplete identification

Yaakov Malinovsky

arxiv:1712.03168 v2 · 2017-12-08 · stat.OT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VPA53E7EEOEVUEMIG6JK5NFT5P}

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	2026-05-18T00:18:31.194645Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

abc1dd93e423895a11883792aeb4b3ebc5873ef459a37f0d0a347f62fa5949bb

Aliases

arxiv: 1712.03168 · arxiv_version: 1712.03168v2 · doi: 10.48550/arxiv.1712.03168 · pith_short_12: VPA53E7EEOEV · pith_short_16: VPA53E7EEOEVUEMI · pith_short_8: VPA53E7E

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/VPA53E7EEOEVUEMIG6JK5NFT5P \
  | 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: abc1dd93e423895a11883792aeb4b3ebc5873ef459a37f0d0a347f62fa5949bb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cb8876b49867a0397ee3804504273623fa02be89db9f20ad4ce9c3c51f7dcb74",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.OT",
    "submitted_at": "2017-12-08T16:54:22Z",
    "title_canon_sha256": "7ff78990bd75fb6af3d2811b03248701882488639c2dca9a604fd12e4bef38a2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.03168",
    "kind": "arxiv",
    "version": 2
  }
}