Pith Number

pith:276GRF7Y

pith:2008:276GRF7YZKKY3F3FLFGLOJGRCO

not attested not anchored not stored refs pending

Universally Utility-Maximizing Privacy Mechanisms

Arpita Ghosh, Mukund Sundararajan, Tim Roughgarden

arxiv:0811.2841 v3 · 2008-11-18 · cs.DB · cs.GT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{276GRF7YZKKY3F3FLFGLOJGRCO}

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	2026-07-04T15:39:46.266874Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d7fc6897f8ca958d9765594cb724d1139f99e0214c8eaed8ab614ece57a4a8da

Aliases

arxiv: 0811.2841 · arxiv_version: 0811.2841v3 · doi: 10.48550/arxiv.0811.2841 · pith_short_12: 276GRF7YZKKY · pith_short_16: 276GRF7YZKKY3F3F · pith_short_8: 276GRF7Y

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/276GRF7YZKKY3F3FLFGLOJGRCO \
  | 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: d7fc6897f8ca958d9765594cb724d1139f99e0214c8eaed8ab614ece57a4a8da

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d7998374c08c2bb6c67381291d616cfd77ec2f12618107d7c8b2a1da7b8eb991",
    "cross_cats_sorted": [
      "cs.GT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2008-11-18T05:59:39Z",
    "title_canon_sha256": "d7780cfad40732ea9ce7b8350ecc36fb8f1050dcf919c129f247e6330775427e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0811.2841",
    "kind": "arxiv",
    "version": 3
  }
}