Pith Number

pith:3VDUE3H2

pith:2026:3VDUE3H2ZA7I7S5JS2TDHX7LJ2

not attested not anchored not stored refs pending

Privacy-Preserving Screening for Record Linkage

Chenyu Huang, Danqing Huang, Fan Zhang, Huaming Rao, Huangxun Chen, Peng Chen, Yongjun Zhao

arxiv:2605.26882 v1 · 2026-05-26 · 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{3VDUE3H2ZA7I7S5JS2TDHX7LJ2}

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	2026-05-27T01:06:17.982509Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dd47426cfac83e8fcba996a633dfeb4ea773a2b898183850d87e3460170eb423

Aliases

arxiv: 2605.26882 · arxiv_version: 2605.26882v1 · doi: 10.48550/arxiv.2605.26882 · pith_short_12: 3VDUE3H2ZA7I · pith_short_16: 3VDUE3H2ZA7I7S5J · pith_short_8: 3VDUE3H2

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/3VDUE3H2ZA7I7S5JS2TDHX7LJ2 \
  | 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: dd47426cfac83e8fcba996a633dfeb4ea773a2b898183850d87e3460170eb423

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b9bd4c9cb9a94ba0dfdd59d98b2c6ac51026e50715c96ab20945a2e7a46486e3",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2026-05-26T11:43:29Z",
    "title_canon_sha256": "b5054cddf130c7e9b1a4e9763923ed15df5a47c55b0470f32b381bae346e30ef"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.26882",
    "kind": "arxiv",
    "version": 1
  }
}