Pith Number

pith:HWSQHPKN

pith:2009:HWSQHPKNVBGZHNHUGKNJ7H77SH

not attested not anchored not stored refs pending

The quantum capacity of channels with arbitrarily correlated noise

Francesco Buscemi, Nilanjana Datta

arxiv:0902.0158 v5 · 2009-02-02 · 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{HWSQHPKNVBGZHNHUGKNJ7H77SH}

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	2026-07-04T17:23:31.447394Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3da503bd4da84d93b4f4329a9f9fff91ee39816944305d1f5308555ecc8e7d08

Aliases

arxiv: 0902.0158 · arxiv_version: 0902.0158v5 · doi: 10.48550/arxiv.0902.0158 · pith_short_12: HWSQHPKNVBGZ · pith_short_16: HWSQHPKNVBGZHNHU · pith_short_8: HWSQHPKN

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/HWSQHPKNVBGZHNHUGKNJ7H77SH \
  | 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: 3da503bd4da84d93b4f4329a9f9fff91ee39816944305d1f5308555ecc8e7d08

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9803eceed3b37fd8abd6b57293b28d30214390fc382e7856b88b09f6740d7c94",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2009-02-02T11:37:08Z",
    "title_canon_sha256": "ab919e6674e98295ea02acc1fe4e31a8b8df9b6ab420f3a60f2ad82cfaa2f6d8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0902.0158",
    "kind": "arxiv",
    "version": 5
  }
}