Pith Number

pith:4OT5EUWV

pith:2023:4OT5EUWVQ3CNKOYUBYDDH5UISW

not attested not anchored not stored refs pending

Towards Unclonable Cryptography in the Plain Model

C\'eline Chevalier, Paul Hermouet, Quoc-Huy Vu

arxiv:2311.16663 v4 · 2023-11-28 · quant-ph · 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{4OT5EUWVQ3CNKOYUBYDDH5UISW}

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	2026-07-05T08:21:44.226917Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e3a7d252d586c4d53b140e0633f688959638844fa01d48734b5ac409a2efbf14

Aliases

arxiv: 2311.16663 · arxiv_version: 2311.16663v4 · doi: 10.48550/arxiv.2311.16663 · pith_short_12: 4OT5EUWVQ3CN · pith_short_16: 4OT5EUWVQ3CNKOYU · pith_short_8: 4OT5EUWV

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/4OT5EUWVQ3CNKOYUBYDDH5UISW \
  | 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: e3a7d252d586c4d53b140e0633f688959638844fa01d48734b5ac409a2efbf14

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "175c497ebda1ddbc47e9b0044ede393f6024f393a02aa51a9357b988dc449a8b",
    "cross_cats_sorted": [
      "cs.CR"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2023-11-28T10:25:22Z",
    "title_canon_sha256": "116ac51da6b0927f24b0462f2b3c80e28c0f27213e63dc57a557d9ccc0cf55ed"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2311.16663",
    "kind": "arxiv",
    "version": 4
  }
}