Pith Number

pith:PA4KJJFM

pith:2024:PA4KJJFMZP5OIRADGT7GVR5LBT

not attested not anchored not stored refs pending

Noisy group testing via spatial coupling

Amin Coja-Oghlan, Dominik Kaaser, Lena Krieg, Lukas Hintze, Maurice Rolvien, Max Hahn-Klimroth, Olga Scheftelowitsch

arxiv:2402.02895 v1 · 2024-02-05 · cs.DM · cs.IT · math.CO · 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{PA4KJJFMZP5OIRADGT7GVR5LBT}

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	2026-07-05T10:23:51.906106Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7838a4a4accbfae4440334fe6ac7ab0cda2901d7609dc4f8835e292e9201cc98

Aliases

arxiv: 2402.02895 · arxiv_version: 2402.02895v1 · doi: 10.48550/arxiv.2402.02895 · pith_short_12: PA4KJJFMZP5O · pith_short_16: PA4KJJFMZP5OIRAD · pith_short_8: PA4KJJFM

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/PA4KJJFMZP5OIRADGT7GVR5LBT \
  | 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: 7838a4a4accbfae4440334fe6ac7ab0cda2901d7609dc4f8835e292e9201cc98

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "73661f031ae94e6eadb9bab0c4ca8fff5bb74ae5e63d70d95c69331b8b02f78d",
    "cross_cats_sorted": [
      "cs.IT",
      "math.CO",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2024-02-05T11:03:01Z",
    "title_canon_sha256": "a28a76b9c037a50b60589b15868f56cd85b65861f5402c4f7fe6227a9a706df0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2402.02895",
    "kind": "arxiv",
    "version": 1
  }
}