Pith Number

pith:OCXUIVLP

pith:2017:OCXUIVLP2XHLV6U2A24XQ4VYLE

not attested not anchored not stored refs pending

Efficiently Decodable Non-Adaptive Threshold Group Testing

Isao Echizen, Mahdi Cheraghchi, Minoru Kuribayashi, Thach V. Bui

arxiv:1712.07509 v8 · 2017-12-20 · 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{OCXUIVLP2XHLV6U2A24XQ4VYLE}

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	2026-05-18T00:05:05.382214Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

70af44556fd5cebafa9a06b97872b85907ff0c6eccd77806c640a83b49317c1a

Aliases

arxiv: 1712.07509 · arxiv_version: 1712.07509v8 · doi: 10.48550/arxiv.1712.07509 · pith_short_12: OCXUIVLP2XHL · pith_short_16: OCXUIVLP2XHLV6U2 · pith_short_8: OCXUIVLP

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/OCXUIVLP2XHLV6U2A24XQ4VYLE \
  | 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: 70af44556fd5cebafa9a06b97872b85907ff0c6eccd77806c640a83b49317c1a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e01bf728f2c37d05ee4b1504a65ca0bdfbed68c2b23f3a54bde0845e4faa41cd",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2017-12-20T14:57:57Z",
    "title_canon_sha256": "180a6b95db7b93f49ea77adc992e1872b6fa63f1cacff3b552d41f2db01e5a67"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.07509",
    "kind": "arxiv",
    "version": 8
  }
}