Pith Number

pith:MEHWSBPB

pith:2011:MEHWSBPBLIT5VTPNPDOWKZQ3DV

not attested not anchored not stored refs pending

Gaussian bosonic synergy: quantum communication via realistic channels of zero quantum capacity

Graeme Smith, John A. Smolin, Jon Yard

arxiv:1102.4580 v1 · 2011-02-22 · 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{MEHWSBPBLIT5VTPNPDOWKZQ3DV}

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	2026-05-18T03:34:46.468261Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

610f6905e15a27dacded78dd65661b1d6221c98a808828a917109a20881921fa

Aliases

arxiv: 1102.4580 · arxiv_version: 1102.4580v1 · doi: 10.48550/arxiv.1102.4580 · pith_short_12: MEHWSBPBLIT5 · pith_short_16: MEHWSBPBLIT5VTPN · pith_short_8: MEHWSBPB

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/MEHWSBPBLIT5VTPNPDOWKZQ3DV \
  | 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: 610f6905e15a27dacded78dd65661b1d6221c98a808828a917109a20881921fa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d6eefedfc28cfa85b9b300564228adbfb520c06bf9518b30cf71f6991ee654f3",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2011-02-22T18:59:59Z",
    "title_canon_sha256": "74cb9a2549c9cc310dc69a9da27a2f23d52b2429ba7d8f35f732be1e59a55db0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.4580",
    "kind": "arxiv",
    "version": 1
  }
}