Pith Number

pith:NNECNHK2

pith:2018:NNECNHK2JVMNBBWGURPDZWLD4M

not attested not anchored not stored refs pending

Novel Impossibility Results for Group-Testing

Abhishek Agarwal, Arya Mazumdar, Sidharth Jaggi

arxiv:1801.02701 v3 · 2018-01-08 · 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{NNECNHK2JVMNBBWGURPDZWLD4M}

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	2026-05-18T00:18:56.958188Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6b48269d5a4d58d086c6a45e3cd963e31813bcb9498f68948aecf6b9dc486cc0

Aliases

arxiv: 1801.02701 · arxiv_version: 1801.02701v3 · doi: 10.48550/arxiv.1801.02701 · pith_short_12: NNECNHK2JVMN · pith_short_16: NNECNHK2JVMNBBWG · pith_short_8: NNECNHK2

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/NNECNHK2JVMNBBWGURPDZWLD4M \
  | 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: 6b48269d5a4d58d086c6a45e3cd963e31813bcb9498f68948aecf6b9dc486cc0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cf858c960a44512f377d8df1cb6293f92edb47007f063bce55e845a962c4148d",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2018-01-08T22:18:24Z",
    "title_canon_sha256": "f8c2994fbf75124a4cbd96a92637981cafeb50b1c417658a5ad8e8d1757e52a4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.02701",
    "kind": "arxiv",
    "version": 3
  }
}