Pith Number

pith:ZD7A5CPX

pith:2009:ZD7A5CPXHBXNHXSZVGT4X33SX3

not attested not anchored not stored refs pending

Perfect Quantum Network Communication Protocol Based on Classical Network Coding

Francois Le Gall, Harumichi Nishimura, Hirotada Kobayashi, Martin Roetteler

arxiv:0902.1299 v1 · 2009-02-08 · quant-ph · cs.IT · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZD7A5CPXHBXNHXSZVGT4X33SX3}

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	2026-05-18T01:13:31.482203Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c8fe0e89f7386ed3de59a9a7cbef72beea36b8b2c9e0ce73139856cd0ce67069

Aliases

arxiv: 0902.1299 · arxiv_version: 0902.1299v1 · doi: 10.48550/arxiv.0902.1299 · pith_short_12: ZD7A5CPXHBXN · pith_short_16: ZD7A5CPXHBXNHXSZ · pith_short_8: ZD7A5CPX

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/ZD7A5CPXHBXNHXSZVGT4X33SX3 \
  | 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: c8fe0e89f7386ed3de59a9a7cbef72beea36b8b2c9e0ce73139856cd0ce67069

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "39c2377d81b96fd5e1d3e8809e62630beb95067cb15943eda5ab1596dc2baa7b",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2009-02-08T09:10:41Z",
    "title_canon_sha256": "0fb54d396264e197095b95f4b49ebaa1e70395b41feb98997722361fec77b663"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0902.1299",
    "kind": "arxiv",
    "version": 1
  }
}