Pith Number

pith:HFEEXBKW

pith:2014:HFEEXBKWGHLE6FV2VP2A7Z5RJA

not attested not anchored not stored refs pending

Facts, myths and fights about the KLJN classical physical key exchanger

Claes-Goran Granqvist, Derek Abbott, He Wen, Laszlo B. Kish

arxiv:1408.4069 v1 · 2014-08-18 · cs.ET · 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{HFEEXBKWGHLE6FV2VP2A7Z5RJA}

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	2026-05-18T02:20:12.523766Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

39484b855631d64f16baabf40fe7b148070d196e55d68c76dcfdb9999e09d98d

Aliases

arxiv: 1408.4069 · arxiv_version: 1408.4069v1 · doi: 10.48550/arxiv.1408.4069 · pith_short_12: HFEEXBKWGHLE · pith_short_16: HFEEXBKWGHLE6FV2 · pith_short_8: HFEEXBKW

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/HFEEXBKWGHLE6FV2VP2A7Z5RJA \
  | 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: 39484b855631d64f16baabf40fe7b148070d196e55d68c76dcfdb9999e09d98d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "38b18ef8d39bf9f64ec955f3a8f05a1b9657b5124d259b225e8bceb5eaef764e",
    "cross_cats_sorted": [
      "cs.CR"
    ],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "cs.ET",
    "submitted_at": "2014-08-18T17:33:11Z",
    "title_canon_sha256": "43e71265835f40a51b4c501fc1709e758766e6ff670a2b7f0e4c3e592ccb25f5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1408.4069",
    "kind": "arxiv",
    "version": 1
  }
}