Pith Number

pith:WU7ZZTU5

pith:2011:WU7ZZTU5OKNYWXIRTZ3PICTORO

not attested not anchored not stored refs pending

On Quantum Channel Estimation with Minimal Resources

A. Ferrante, F. Ticozzi, M. Zorzi

arxiv:1106.2105 v1 · 2011-06-10 · 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{WU7ZZTU5OKNYWXIRTZ3PICTORO}

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	2026-05-18T04:20:13.632431Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b53f9cce9d729b8b5d119e76f40a6e8b892de5f12565a832e6b27ca28036f218

Aliases

arxiv: 1106.2105 · arxiv_version: 1106.2105v1 · doi: 10.48550/arxiv.1106.2105 · pith_short_12: WU7ZZTU5OKNY · pith_short_16: WU7ZZTU5OKNYWXIR · pith_short_8: WU7ZZTU5

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/WU7ZZTU5OKNYWXIRTZ3PICTORO \
  | 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: b53f9cce9d729b8b5d119e76f40a6e8b892de5f12565a832e6b27ca28036f218

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "283970455763b37d1bab6a135f81e409eb57117e76306046704074f42b7a4898",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2011-06-10T15:59:39Z",
    "title_canon_sha256": "b6596e559b9613c2a66cb45086bc410813e94087c0393f1f0f8566c292288085"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1106.2105",
    "kind": "arxiv",
    "version": 1
  }
}