Pith Number

pith:RQDQNS74

pith:2021:RQDQNS74ZGA23AWFXFJ7UJYRWN

not attested not anchored not stored refs pending

Optimum Detection of Defective Elements in Non-Adaptive Group Testing

Enrico Paolini, Gianluigi Liva, Marco Chiani

arxiv:2102.05508 v1 · 2021-02-10 · 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{RQDQNS74ZGA23AWFXFJ7UJYRWN}

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	2026-07-05T02:14:19.311808Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8c0706cbfcc981ad82c5b953fa2711b35b495d4b9ec2c6c5017574860eaf8b91

Aliases

arxiv: 2102.05508 · arxiv_version: 2102.05508v1 · doi: 10.48550/arxiv.2102.05508 · pith_short_12: RQDQNS74ZGA2 · pith_short_16: RQDQNS74ZGA23AWF · pith_short_8: RQDQNS74

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/RQDQNS74ZGA23AWFXFJ7UJYRWN \
  | 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: 8c0706cbfcc981ad82c5b953fa2711b35b495d4b9ec2c6c5017574860eaf8b91

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9e28f9c0604d5ae676da40e53c06e8c14a0720bf8f22d73673cd6fd400adfee0",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2021-02-10T15:52:08Z",
    "title_canon_sha256": "4af04b1a8254d6e3e0a90e6cf2e4ab9c538995244de86b7893c1a14a1a7e5425"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.05508",
    "kind": "arxiv",
    "version": 1
  }
}