Pith Number

pith:5HLMC4JD

pith:2005:5HLMC4JDWZFJLSUORVD4UBTI7F

not attested not anchored not stored refs pending

General model of quantum key distribution

A. S. Trushechkin, I. V. Volovich

arxiv:quant-ph/0504156 v2 · 2005-04-20 · quant-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5HLMC4JDWZFJLSUORVD4UBTI7F}

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	2026-05-18T03:27:21.682753Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e9d6c17123b64a95ca8e8d47ca0668f97308336c8c90c9ba3b1ce8efeb68917a

Aliases

arxiv: quant-ph/0504156 · arxiv_version: quant-ph/0504156v2 · doi: 10.48550/arxiv.quant-ph/0504156 · pith_short_12: 5HLMC4JDWZFJ · pith_short_16: 5HLMC4JDWZFJLSUO · pith_short_8: 5HLMC4JD

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/5HLMC4JDWZFJLSUORVD4UBTI7F \
  | 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: e9d6c17123b64a95ca8e8d47ca0668f97308336c8c90c9ba3b1ce8efeb68917a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1ef3b76f746f08038d973af5afe85c99565336f1ea2eeb47797a5f6a8ea71e28",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2005-04-20T17:49:30Z",
    "title_canon_sha256": "959e60162770a5fc192744f3603702afec3c812ff838945ac179f8882a458c55"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0504156",
    "kind": "arxiv",
    "version": 2
  }
}