Pith Number

pith:UIVDQOEL

pith:2016:UIVDQOELVUGD3EGYOGFIWFPCCE

not attested not anchored not stored refs pending

Locating a Small Cluster Privately

Kobbi Nissim, Salil Vadhan, Uri Stemmer

arxiv:1604.05590 v2 · 2016-04-19 · cs.DS · cs.CR · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UIVDQOELVUGD3EGYOGFIWFPCCE}

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	2026-05-18T00:48:54.624848Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a22a38388bad0c3d90d8718a8b15e2111b38beca2eb206a19050ef5a895debdb

Aliases

arxiv: 1604.05590 · arxiv_version: 1604.05590v2 · doi: 10.48550/arxiv.1604.05590 · pith_short_12: UIVDQOELVUGD · pith_short_16: UIVDQOELVUGD3EGY · pith_short_8: UIVDQOEL

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/UIVDQOELVUGD3EGYOGFIWFPCCE \
  | 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: a22a38388bad0c3d90d8718a8b15e2111b38beca2eb206a19050ef5a895debdb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7dfb1461845cd5ea10caaa3f918fe76a21c563fd396b64722098b6baaf9c41cf",
    "cross_cats_sorted": [
      "cs.CR",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2016-04-19T14:27:32Z",
    "title_canon_sha256": "6114ac4e5425865262581e1499ce060ad31af1c66d28eb335ea50978c8587af7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.05590",
    "kind": "arxiv",
    "version": 2
  }
}