Pith Number

pith:QQ22FJVC

pith:2013:QQ22FJVCHAKSDND3ENYLP2U4HS

not attested not anchored not stored refs pending

Enhanced secure key exchange systems based on the Johnson-noise scheme

Laszlo B. Kish

arxiv:1302.3901 v2 · 2013-02-15 · cs.CR · cs.ET

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QQ22FJVCHAKSDND3ENYLP2U4HS}

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	2026-05-18T03:20:48.130842Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8435a2a6a2381521b47b2370b7ea9c3cbb63e791b7d5a486c05cd905d85ba6f9

Aliases

arxiv: 1302.3901 · arxiv_version: 1302.3901v2 · doi: 10.48550/arxiv.1302.3901 · pith_short_12: QQ22FJVCHAKS · pith_short_16: QQ22FJVCHAKSDND3 · pith_short_8: QQ22FJVC

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/QQ22FJVCHAKSDND3ENYLP2U4HS \
  | 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: 8435a2a6a2381521b47b2370b7ea9c3cbb63e791b7d5a486c05cd905d85ba6f9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7857965188059cd0166a9c35e938cd1cebf1ba72094ef4e31ecc9f63a2a08631",
    "cross_cats_sorted": [
      "cs.ET"
    ],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2013-02-15T21:58:15Z",
    "title_canon_sha256": "b56ef1d88af60d67285a38eac736cc951b8eca9810646f1696e260bc3194fc20"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.3901",
    "kind": "arxiv",
    "version": 2
  }
}