Pith Number

pith:2IT5TUIA

pith:2019:2IT5TUIAN5HLHLMH5NT3ZVTAHS

not attested not anchored not stored refs pending

Information-theoretic and algorithmic thresholds for group testing

Amin Coja-Oghlan, Max Hahn-Klimroth, Oliver Gebhard, Philipp Loick

arxiv:1902.02202 v2 · 2019-02-06 · cs.DM · 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{2IT5TUIAN5HLHLMH5NT3ZVTAHS}

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.

Cited by

2 papers in Pith

Algorithms for Threshold Group Testing

An Information-Theoretic Analysis of Threshold Group Testing

Receipt and verification

First computed	2026-07-05T02:39:55.088690Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d227d9d1006f4eb3ad87eb67bcd6603c8ff9117dee7b45d059a46eeb14d1c647

Aliases

arxiv: 1902.02202 · arxiv_version: 1902.02202v2 · doi: 10.48550/arxiv.1902.02202 · pith_short_12: 2IT5TUIAN5HL · pith_short_16: 2IT5TUIAN5HLHLMH · pith_short_8: 2IT5TUIA

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/2IT5TUIAN5HLHLMH5NT3ZVTAHS \
  | 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: d227d9d1006f4eb3ad87eb67bcd6603c8ff9117dee7b45d059a46eeb14d1c647

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "294a346ee42ef13adac61dd5b6b98e26366d30e4ce9ce4a5979748c1c50245d7",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2019-02-06T14:28:05Z",
    "title_canon_sha256": "fa7beb206ea7c86388e74e1da31720490f1e62c20b714de7dba2d46b34d2931a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.02202",
    "kind": "arxiv",
    "version": 2
  }
}