Pith Number

pith:VRD62AIA

pith:2014:VRD62AIA7CTG424VX2QCCBV7WQ

not attested not anchored not stored refs pending

Enhanced usage of keys obtained by physical, unconditionally secure distributions

Laszlo B. Kish

arxiv:1408.5800 v2 · 2014-08-21 · 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{VRD62AIA7CTG424VX2QCCBV7WQ}

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	2026-05-18T02:16:51.181504Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ac47ed0100f8a66e6b95bea02106bfb423525a883da7ad24f2b77ac21ba46dd6

Aliases

arxiv: 1408.5800 · arxiv_version: 1408.5800v2 · doi: 10.48550/arxiv.1408.5800 · pith_short_12: VRD62AIA7CTG · pith_short_16: VRD62AIA7CTG424V · pith_short_8: VRD62AIA

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/VRD62AIA7CTG424VX2QCCBV7WQ \
  | 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: ac47ed0100f8a66e6b95bea02106bfb423525a883da7ad24f2b77ac21ba46dd6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a1b69ff9b2ff4dd5510f914bd633645b85a3edb041d0d09e089bfd5e71c4c56d",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2014-08-21T23:51:46Z",
    "title_canon_sha256": "ab36616844d3efef3dbcc819fab25d936fafcd852c03fcff43380edd12bea5f8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1408.5800",
    "kind": "arxiv",
    "version": 2
  }
}