Pith Number

pith:SY2UPVFZ

pith:2023:SY2UPVFZZM5HAVZSHCNPHL3OQV

not attested not anchored not stored refs pending

Privacy-Preserving Record Linkage for Cardinality Counting

Dinusha Vatsalan, Mohamed Ali Kaafar, Nan Wu, Sanath Kumar Ramesh

arxiv:2301.04000 v1 · 2023-01-09 · cs.CR · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SY2UPVFZZM5HAVZSHCNPHL3OQV}

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	2026-07-05T05:32:08.954365Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

963547d4b9cb3a705732389af3af6e857cef2c8e819d83905290d5158078d8db

Aliases

arxiv: 2301.04000 · arxiv_version: 2301.04000v1 · doi: 10.48550/arxiv.2301.04000 · pith_short_12: SY2UPVFZZM5H · pith_short_16: SY2UPVFZZM5HAVZS · pith_short_8: SY2UPVFZ

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/SY2UPVFZZM5HAVZSHCNPHL3OQV \
  | 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: 963547d4b9cb3a705732389af3af6e857cef2c8e819d83905290d5158078d8db

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1e5cdbda1f0f8588551ffbdd537955d80689bfb7fd4a185941f8c72c50aaadfb",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2023-01-09T07:40:56Z",
    "title_canon_sha256": "74b1d9ccccfa2dda082ce30c3d40793b55d23cc76a7a6a84487093645d8753fe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2301.04000",
    "kind": "arxiv",
    "version": 1
  }
}