Pith Number

pith:GNO6B3ST

pith:2010:GNO6B3STXKZE4USV6K3YWS2KVC

not attested not anchored not stored refs pending

Beating the channel capacity limit for linear photonic superdense coding

Julio T. Barreiro, Paul G. Kwiat, Tzu-Chieh Wei

arxiv:1009.5128 v1 · 2010-09-26 · 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{GNO6B3STXKZE4USV6K3YWS2KVC}

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	2026-05-18T04:40:19.124519Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

335de0ee53bab24e5255f2b78b4b4aa896050b63bb7a949470e567cbf1a707dd

Aliases

arxiv: 1009.5128 · arxiv_version: 1009.5128v1 · doi: 10.48550/arxiv.1009.5128 · pith_short_12: GNO6B3STXKZE · pith_short_16: GNO6B3STXKZE4USV · pith_short_8: GNO6B3ST

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/GNO6B3STXKZE4USV6K3YWS2KVC \
  | 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: 335de0ee53bab24e5255f2b78b4b4aa896050b63bb7a949470e567cbf1a707dd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1a50cbfa2cc5a0648fc2188d8c029fa15ef72afa589d8077707f79fa2e55ed6b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2010-09-26T21:19:53Z",
    "title_canon_sha256": "533a50a0f34a0c8f9cf0280605bffe226c3c35e21171bd44b5ae01226bebb7c9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1009.5128",
    "kind": "arxiv",
    "version": 1
  }
}