Pith Number

pith:RD6E4G34

pith:2011:RD6E4G34AJ6XVT33665BEE6G5F

not attested not anchored not stored refs pending

Enhanced Quantum Communication via Optical Refocusing

Cosmo Lupo, Seth Lloyd, Stefano Mancini, Stefano Pirandola, Vittorio Giovannetti

arxiv:1101.2649 v1 · 2011-01-13 · 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{RD6E4G34AJ6XVT33665BEE6G5F}

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	2026-05-18T04:17:02.877491Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

88fc4e1b7c027d7acf7bf7ba1213c6e958d1ea56d1b44f2b203c4da4d390c323

Aliases

arxiv: 1101.2649 · arxiv_version: 1101.2649v1 · doi: 10.48550/arxiv.1101.2649 · pith_short_12: RD6E4G34AJ6X · pith_short_16: RD6E4G34AJ6XVT33 · pith_short_8: RD6E4G34

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/RD6E4G34AJ6XVT33665BEE6G5F \
  | 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: 88fc4e1b7c027d7acf7bf7ba1213c6e958d1ea56d1b44f2b203c4da4d390c323

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "36c05a4becae8a72001d493cd0ea23b82f5f851ba70a37380881977732922435",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2011-01-13T20:00:48Z",
    "title_canon_sha256": "5e334a0a2185b1d45300f664866919697b51eb138d6f54d8edb8d9cb3e4c47ee"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1101.2649",
    "kind": "arxiv",
    "version": 1
  }
}