Pith Number

pith:Z6LETDCO

pith:2021:Z6LETDCOH5VZJQR6OPXQKBZZXO

not attested not anchored not stored refs pending

Bionic Optical Physical Unclonable Functions for Authentication and Encryption

Dong Li, Feng Huang, Jianbin Kang, Jun Yuan, Kun Chen, Pidong Wang, Qian Li, Song Sun, Taiping Zhang, Yao Yao, Yongbiao Wan, Zhiguang Qiu

arxiv:2109.03505 v1 · 2021-09-08 · cs.CR · cond-mat.mtrl-sci · 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{Z6LETDCOH5VZJQR6OPXQKBZZXO}

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	2026-07-05T03:12:40.206416Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cf96498c4e3f6b94c23e73ef050739bbb5f371279466aae1e47f1dc7677cddc4

Aliases

arxiv: 2109.03505 · arxiv_version: 2109.03505v1 · doi: 10.48550/arxiv.2109.03505 · pith_short_12: Z6LETDCOH5VZ · pith_short_16: Z6LETDCOH5VZJQR6 · pith_short_8: Z6LETDCO

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/Z6LETDCOH5VZJQR6OPXQKBZZXO \
  | 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: cf96498c4e3f6b94c23e73ef050739bbb5f371279466aae1e47f1dc7677cddc4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5c5631b77bf92b3c7763e9d45e40163ed80cb19090093d4dc35e850384805de2",
    "cross_cats_sorted": [
      "cond-mat.mtrl-sci",
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2021-09-08T09:02:30Z",
    "title_canon_sha256": "d33f1eee9830b1bfb7e3ebe246c1e2af967b18c1123fa8c30af2885c1a76b5ec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.03505",
    "kind": "arxiv",
    "version": 1
  }
}