Pith Number

pith:K32X2WRN

pith:2025:K32X2WRNEYNAA5LFXD2HPR5PWD

not attested not anchored not stored refs pending

IDFace: Face Template Protection for Efficient and Secure Identification

Chanwoo Hwang, Dongsoo Kim, Jae Hong Seo, Junbum Shin, Seunghun Paik, Sunpill Kim

arxiv:2507.12050 v1 · 2025-07-16 · cs.CR · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{K32X2WRNEYNAA5LFXD2HPR5PWD}

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	2026-07-05T11:38:13.667358Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

56f57d5a2d261a007565b8f477c7afb0fc9f45d7b17ce05740d9b7872dc47368

Aliases

arxiv: 2507.12050 · arxiv_version: 2507.12050v1 · doi: 10.48550/arxiv.2507.12050 · pith_short_12: K32X2WRNEYNA · pith_short_16: K32X2WRNEYNAA5LF · pith_short_8: K32X2WRN

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/K32X2WRNEYNAA5LFXD2HPR5PWD \
  | 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: 56f57d5a2d261a007565b8f477c7afb0fc9f45d7b17ce05740d9b7872dc47368

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "adaa9a069776b631bc48391ce26754dc7998c8dea728ed1c0d59c924fd248511",
    "cross_cats_sorted": [
      "cs.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2025-07-16T09:10:40Z",
    "title_canon_sha256": "4189e9a40abd02192b23f464e1424f11204347b0e342031b538dcb678a91c552"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.12050",
    "kind": "arxiv",
    "version": 1
  }
}