Pith Number

pith:EHQKH3OD

pith:2010:EHQKH3ODE6CM2FZGFLYS4M3JTH

not attested not anchored not stored refs pending

Property Testing via Set-Theoretic Operations

Madhu Sudan, Ning Xie, Victor Chen

arxiv:1010.4925 v1 · 2010-10-24 · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EHQKH3ODE6CM2FZGFLYS4M3JTH}

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	2026-05-18T04:38:49.821498Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

21e0a3edc32784cd17262af12e336999fb244f56a66ae963cfb60fae471e0c9a

Aliases

arxiv: 1010.4925 · arxiv_version: 1010.4925v1 · doi: 10.48550/arxiv.1010.4925 · pith_short_12: EHQKH3ODE6CM · pith_short_16: EHQKH3ODE6CM2FZG · pith_short_8: EHQKH3OD

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/EHQKH3ODE6CM2FZGFLYS4M3JTH \
  | 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: 21e0a3edc32784cd17262af12e336999fb244f56a66ae963cfb60fae471e0c9a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fc516ac00cd533ae34458ff3882809c6741f8a68ef290905d8fe4a0e5023ba00",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2010-10-24T04:02:45Z",
    "title_canon_sha256": "144a96ceea65bb1c10f8679402f499b8b378257bd1a30662e873470b3f163313"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1010.4925",
    "kind": "arxiv",
    "version": 1
  }
}