Pith Number

pith:4Y2Z34SI

pith:2014:4Y2Z34SIZLXPWTJDKGRDY4MDRT

not attested not anchored not stored refs pending

A Utility-Theoretic Approach to Privacy in Online Services

Andreas Krause, Eric Horvitz

arxiv:1401.3859 v1 · 2014-01-16 · cs.AI · cs.CR · cs.CY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4Y2Z34SIZLXPWTJDKGRDY4MDRT}

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	2026-05-18T03:02:06.511868Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e6359df248caeefb4d2351a23c71838cd1e15d4423273675ff4ed8b63d087902

Aliases

arxiv: 1401.3859 · arxiv_version: 1401.3859v1 · doi: 10.48550/arxiv.1401.3859 · pith_short_12: 4Y2Z34SIZLXP · pith_short_16: 4Y2Z34SIZLXPWTJD · pith_short_8: 4Y2Z34SI

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/4Y2Z34SIZLXPWTJDKGRDY4MDRT \
  | 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: e6359df248caeefb4d2351a23c71838cd1e15d4423273675ff4ed8b63d087902

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4c258af836bf05d411b9789b1269bcd2e3f4142fd28263ca9c159d863c4b3542",
    "cross_cats_sorted": [
      "cs.CR",
      "cs.CY"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2014-01-16T05:03:13Z",
    "title_canon_sha256": "875306eba058b0519c3ac9fe30b434863485c93955153b6e74101a943ecfabf7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.3859",
    "kind": "arxiv",
    "version": 1
  }
}