Pith Number

pith:52FU2S44

pith:2013:52FU2S44GV5ZWDJHM562KX52ZD

not attested not anchored not stored refs pending

Multi-Group Testing for Items with Real-Valued Status under Standard Arithmetic

Fei-Huang Chang, Hong-Bin Chen, Jun-Yi Guo, Yu-Pei Huang

arxiv:1303.6020 v2 · 2013-03-25 · cs.IT · math.CO · 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{52FU2S44GV5ZWDJHM562KX52ZD}

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	2026-05-18T02:31:04.150894Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ee8b4d4b9c357b9b0d27677da55fbac8fe63d5437dfa287355e1778cdb353e17

Aliases

arxiv: 1303.6020 · arxiv_version: 1303.6020v2 · doi: 10.48550/arxiv.1303.6020 · pith_short_12: 52FU2S44GV5Z · pith_short_16: 52FU2S44GV5ZWDJH · pith_short_8: 52FU2S44

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/52FU2S44GV5ZWDJHM562KX52ZD \
  | 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: ee8b4d4b9c357b9b0d27677da55fbac8fe63d5437dfa287355e1778cdb353e17

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "90247602ce20fe731e71b850bbcece731483568b1dcb06b3da9dd42f7828d7f2",
    "cross_cats_sorted": [
      "math.CO",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2013-03-25T03:11:37Z",
    "title_canon_sha256": "7db4f583e286633f2f5e1d99ee4a2ab95cc766e607dcbf2189af5b1d32a0fcba"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.6020",
    "kind": "arxiv",
    "version": 2
  }
}