Pith Number

pith:2MZEOQLS

pith:2016:2MZEOQLSSVLSZNVCFCPRCP52SK

not attested not anchored not stored refs pending

Covert Quantum Communication

Juan Miguel Arrazola, Valerio Scarani

arxiv:1604.05438 v3 · 2016-04-19 · 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{2MZEOQLSSVLSZNVCFCPRCP52SK}

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	2026-05-18T00:54:20.495435Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d33247417295572cb6a2289f113fba92a0665d0fabdf5102e776695b55a7ae3b

Aliases

arxiv: 1604.05438 · arxiv_version: 1604.05438v3 · doi: 10.48550/arxiv.1604.05438 · pith_short_12: 2MZEOQLSSVLS · pith_short_16: 2MZEOQLSSVLSZNVC · pith_short_8: 2MZEOQLS

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/2MZEOQLSSVLSZNVCFCPRCP52SK \
  | 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: d33247417295572cb6a2289f113fba92a0665d0fabdf5102e776695b55a7ae3b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "75fd51f88a1c5419a1b9d09de1940bf00a8caeb06c81360f4fdd7d33497b26e0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2016-04-19T06:06:43Z",
    "title_canon_sha256": "29f71878477a5cf3d4462bb08096bc3e09595e9317d03aac4d10e936180d350d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.05438",
    "kind": "arxiv",
    "version": 3
  }
}