Pith Number

pith:CFCSHDGN

pith:2022:CFCSHDGNHT3LPCGX3V2QJ555IG

not attested not anchored not stored refs pending

Configurable Per-Query Data Minimization for Privacy-Compliant Web APIs

David Hartmann, Elias Gr\"unewald, Frank Pallas, Josefine Kipke, Paul Heinrich

arxiv:2203.09903 v1 · 2022-03-18 · cs.CR · cs.CY · cs.DC · cs.SE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CFCSHDGNHT3LPCGX3V2QJ555IG}

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	2026-07-05T05:00:15.616082Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1145238ccd3cf6b788d7dd7504f7bd41aa8c04ff4f8ea58983bc1882743c0beb

Aliases

arxiv: 2203.09903 · arxiv_version: 2203.09903v1 · doi: 10.48550/arxiv.2203.09903 · pith_short_12: CFCSHDGNHT3L · pith_short_16: CFCSHDGNHT3LPCGX · pith_short_8: CFCSHDGN

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/CFCSHDGNHT3LPCGX3V2QJ555IG \
  | 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: 1145238ccd3cf6b788d7dd7504f7bd41aa8c04ff4f8ea58983bc1882743c0beb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "80e852904af9c02c40d3b5672703c75672c9e944a29b7a9b723ed55525f90c80",
    "cross_cats_sorted": [
      "cs.CY",
      "cs.DC",
      "cs.SE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2022-03-18T12:26:20Z",
    "title_canon_sha256": "9f2119964520e1de5dfc241e42cd13586004f645f4abdb28fd57b9ec70e6d747"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2203.09903",
    "kind": "arxiv",
    "version": 1
  }
}