Pith Number

pith:IGHPAZNF

pith:2015:IGHPAZNFF6BDZ3JAJMRX6FHERT

not attested not anchored not stored refs pending

An Improved Private Mechanism for Small Databases

Aleksandar Nikolov

arxiv:1505.00244 v1 · 2015-05-01 · cs.DS · cs.CR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IGHPAZNFF6BDZ3JAJMRX6FHERT}

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	2026-05-18T02:17:12.987947Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

418ef065a52f823ced204b237f14e48cc57179d43134d571e83e9978fc340e9d

Aliases

arxiv: 1505.00244 · arxiv_version: 1505.00244v1 · doi: 10.48550/arxiv.1505.00244 · pith_short_12: IGHPAZNFF6BD · pith_short_16: IGHPAZNFF6BDZ3JA · pith_short_8: IGHPAZNF

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/IGHPAZNFF6BDZ3JAJMRX6FHERT \
  | 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: 418ef065a52f823ced204b237f14e48cc57179d43134d571e83e9978fc340e9d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4bed5ae4f860205cb00abfa367603e14384d92519aa2270bdfb21189a21890cc",
    "cross_cats_sorted": [
      "cs.CR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2015-05-01T18:55:16Z",
    "title_canon_sha256": "a475adad32d694466c05ce4a2095c4fd9efc67214b89a20b1332f8b87b573c3f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.00244",
    "kind": "arxiv",
    "version": 1
  }
}