Pith Number

pith:FCPRRP2H

pith:2019:FCPRRP2HK5OQYBFJQ2KBSUJELV

not attested not anchored not stored refs pending

Toward Undetectable Quantum Key Distribution over Bosonic Channels

Matthieu R. Bloch, Mehrdad Tahmasbi

arxiv:1904.12363 v3 · 2019-04-28 · cs.IT · cs.CR · math.IT · 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{FCPRRP2HK5OQYBFJQ2KBSUJELV}

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.

Cited by

1 paper in Pith

Experimental Covert Communication Using Software-Defined Radio

Receipt and verification

First computed	2026-07-05T00:18:07.315806Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

289f18bf47575d0c04a986941951245d56e25301a7f5fb22ca3f0d73a5f474a2

Aliases

arxiv: 1904.12363 · arxiv_version: 1904.12363v3 · doi: 10.48550/arxiv.1904.12363 · pith_short_12: FCPRRP2HK5OQ · pith_short_16: FCPRRP2HK5OQYBFJ · pith_short_8: FCPRRP2H

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/FCPRRP2HK5OQYBFJQ2KBSUJELV \
  | 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: 289f18bf47575d0c04a986941951245d56e25301a7f5fb22ca3f0d73a5f474a2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6813437606c62d78dda2e0c3d743c11f60386c1dd56c7ba367b78e306e9d72b4",
    "cross_cats_sorted": [
      "cs.CR",
      "math.IT",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2019-04-28T18:37:18Z",
    "title_canon_sha256": "86d1daa62d2e9d6e58870c9182bd231be081231e5e89148a60bed9920aae25f7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.12363",
    "kind": "arxiv",
    "version": 3
  }
}