Pith Number

pith:UMJQD7GF

pith:2012:UMJQD7GFP37TNCLYCGW7RFRQNV

not attested not anchored not stored refs pending

A Theory of Pricing Private Data

Chao Li, Daniel Yang Li, Dan Suciu, Gerome Miklau

arxiv:1208.5258 v2 · 2012-08-26 · cs.CR · cs.DB

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UMJQD7GFP37TNCLYCGW7RFRQNV}

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	2026-05-18T03:28:56.228725Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a31301fcc57eff36897811adf896306d79b994e98548c75ea9fb1f91b11c2b46

Aliases

arxiv: 1208.5258 · arxiv_version: 1208.5258v2 · doi: 10.48550/arxiv.1208.5258 · pith_short_12: UMJQD7GFP37T · pith_short_16: UMJQD7GFP37TNCLY · pith_short_8: UMJQD7GF

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/UMJQD7GFP37TNCLYCGW7RFRQNV \
  | 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: a31301fcc57eff36897811adf896306d79b994e98548c75ea9fb1f91b11c2b46

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c9162c1850ce7428d2f4b377a52716ad5e492ac51496b414fb363ddc0009c495",
    "cross_cats_sorted": [
      "cs.DB"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2012-08-26T22:08:11Z",
    "title_canon_sha256": "d84db4433fe5464b90cdf2728d786d27808d7a64f933c3a7a56490667ab1deea"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.5258",
    "kind": "arxiv",
    "version": 2
  }
}