Pith Number

pith:367NX75H

pith:2011:367NX75HJ7QQAXDVFAU4IPXBVK

not attested not anchored not stored refs pending

A construction of pooling designs with surprisingly high degree of error correction

Jun Guo, Kaishun Wang

arxiv:1105.2669 v1 · 2011-05-13 · math.CO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{367NX75HJ7QQAXDVFAU4IPXBVK}

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	2026-05-18T04:22:09.850793Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dfbedbffa74fe1005c752829c43ee1aaa707c3556dcc529067be7df58f172783

Aliases

arxiv: 1105.2669 · arxiv_version: 1105.2669v1 · doi: 10.48550/arxiv.1105.2669 · pith_short_12: 367NX75HJ7QQ · pith_short_16: 367NX75HJ7QQAXDV · pith_short_8: 367NX75H

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/367NX75HJ7QQAXDVFAU4IPXBVK \
  | 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: dfbedbffa74fe1005c752829c43ee1aaa707c3556dcc529067be7df58f172783

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ca84bd099483f623e2f3caedc55a9d749928a0b783a51ab306c1330f1adabafc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2011-05-13T09:41:52Z",
    "title_canon_sha256": "c5eff82e84cde2b623e4b1b983fb18e15daa789812959516c39ef8b6e4ba22dc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.2669",
    "kind": "arxiv",
    "version": 1
  }
}