Pith Number

pith:HYBKH54N

pith:2022:HYBKH54NPM63VJTXWCW5QT7WTQ

not attested not anchored not stored refs pending

Speckle-based optical cryptosystem and its application for human face recognition via deep learning

Chi Man Woo, Honglin Liu, Huanhao Li, Jie Tian, Puxiang Lai, Qi Zhao, Shengfu Cheng, Tianting Zhong, Yuanjin Zheng, Zhipeng Yu

arxiv:2201.11844 v1 · 2022-01-26 · cs.CR · cs.CV · physics.optics

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HYBKH54NPM63VJTXWCW5QT7WTQ}

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	2026-07-05T03:52:17.403437Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3e02a3f78d7b3dbaa677b0add84ff69c33ba0b2297a89de4acb9381b166b9fc2

Aliases

arxiv: 2201.11844 · arxiv_version: 2201.11844v1 · doi: 10.48550/arxiv.2201.11844 · pith_short_12: HYBKH54NPM63 · pith_short_16: HYBKH54NPM63VJTX · pith_short_8: HYBKH54N

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/HYBKH54NPM63VJTXWCW5QT7WTQ \
  | 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: 3e02a3f78d7b3dbaa677b0add84ff69c33ba0b2297a89de4acb9381b166b9fc2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "411593479a0327e2714c52b234dcebedccb7ce9ae47567aad30a6f67f7bb3202",
    "cross_cats_sorted": [
      "cs.CV",
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2022-01-26T07:18:02Z",
    "title_canon_sha256": "e79f9fc305bd58249d9b5f65c10ba074622c4d336ce6cedeace3a41676193fb6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2201.11844",
    "kind": "arxiv",
    "version": 1
  }
}