Pith Number

pith:5XOMT3QP

pith:2018:5XOMT3QPVN4I2RH4SGIAGTLWYS

not attested not anchored not stored refs pending

Cardinality Estimators do not Preserve Privacy

Andreas Lochbihler, Damien Desfontaines, David Basin

arxiv:1808.05879 v3 · 2018-08-17 · cs.CR · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5XOMT3QPVN4I2RH4SGIAGTLWYS}

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	2026-05-17T23:57:57.238745Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eddcc9ee0fab788d44fc9190034d76c4951ef651fa03c4551702a4792e3e9662

Aliases

arxiv: 1808.05879 · arxiv_version: 1808.05879v3 · doi: 10.48550/arxiv.1808.05879 · pith_short_12: 5XOMT3QPVN4I · pith_short_16: 5XOMT3QPVN4I2RH4 · pith_short_8: 5XOMT3QP

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/5XOMT3QPVN4I2RH4SGIAGTLWYS \
  | 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: eddcc9ee0fab788d44fc9190034d76c4951ef651fa03c4551702a4792e3e9662

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b721a8d1cef1842ba32dc444be09f9277dab8ea620a741ded530a31fd1ad67ea",
    "cross_cats_sorted": [
      "cs.DS"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2018-08-17T14:26:00Z",
    "title_canon_sha256": "9fb7f62f4bd55f6b530a434ffa98a1a8a13175f63277f5b63e33e128f81e3782"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.05879",
    "kind": "arxiv",
    "version": 3
  }
}