Pith Number

pith:OORDDNVG

pith:2017:OORDDNVG3FOSC7E3L4E3SBAPZA

not attested not anchored not stored refs pending

Non-Adaptive Group Testing Framework based on Concatenation Code

Isao Echizen, Minoru Kuribayashi, Thach V. Bui

arxiv:1701.06989 v4 · 2017-01-24 · 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{OORDDNVG3FOSC7E3L4E3SBAPZA}

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	2026-05-18T00:30:22.370102Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

73a231b6a6d95d217c9b5f09b9040fc80af54c7c5a3fed470a044da8edfcc804

Aliases

arxiv: 1701.06989 · arxiv_version: 1701.06989v4 · doi: 10.48550/arxiv.1701.06989 · pith_short_12: OORDDNVG3FOS · pith_short_16: OORDDNVG3FOSC7E3 · pith_short_8: OORDDNVG

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/OORDDNVG3FOSC7E3L4E3SBAPZA \
  | 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: 73a231b6a6d95d217c9b5f09b9040fc80af54c7c5a3fed470a044da8edfcc804

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8cf1c5b6ebfc504ce2870b700d193aa08ab7ea5a4a59a66ff96959da5e475cba",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2017-01-24T17:31:20Z",
    "title_canon_sha256": "458655e2e019980ba5867f4dea5f45be8298a535884c1f83ba0d915a6283ab6d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.06989",
    "kind": "arxiv",
    "version": 4
  }
}