Pith Number

pith:S4X25LBA

pith:2015:S4X25LBAWAXP4RSHL3IEZLTX6O

not attested not anchored not stored refs pending

Towards Quantum Enigma Cipher

Osamu Hirota

arxiv:1510.05209 v2 · 2015-10-18 · 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{S4X25LBAWAXP4RSHL3IEZLTX6O}

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	2026-05-18T01:28:13.751151Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

972faeac20b02efe46475ed04cae77f3bf6199892e2f875ee9b12a6d9d87787e

Aliases

arxiv: 1510.05209 · arxiv_version: 1510.05209v2 · doi: 10.48550/arxiv.1510.05209 · pith_short_12: S4X25LBAWAXP · pith_short_16: S4X25LBAWAXP4RSH · pith_short_8: S4X25LBA

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/S4X25LBAWAXP4RSHL3IEZLTX6O \
  | 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: 972faeac20b02efe46475ed04cae77f3bf6199892e2f875ee9b12a6d9d87787e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "147525082d8d3f8063923c0171a0b03a9abe5ea2399445a8240d8d549d96c849",
    "cross_cats_sorted": [
      "cs.CR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2015-10-18T08:19:38Z",
    "title_canon_sha256": "9063993db996bfd2a160bc8618a33dc415ce8f463ab9262492f2b353b85648af"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.05209",
    "kind": "arxiv",
    "version": 2
  }
}