Pith Number

pith:WU4TGZIJ

pith:2011:WU4TGZIJCZ5KZLH4GTHUMIMXMA

not attested not anchored not stored refs pending

SeCQC: An open-source program code for the numerical Search for the classical Capacity of Quantum Channels

Berthold-Georg Englert, Jiangwei Shang, Kean Loon Lee

arxiv:1108.0226 v1 · 2011-08-01 · 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{WU4TGZIJCZ5KZLH4GTHUMIMXMA}

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	2026-05-18T04:16:31.474025Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b539336509167aacacfc34cf462197602e2001c025bfdec14a87c9e4807c01ff

Aliases

arxiv: 1108.0226 · arxiv_version: 1108.0226v1 · doi: 10.48550/arxiv.1108.0226 · pith_short_12: WU4TGZIJCZ5K · pith_short_16: WU4TGZIJCZ5KZLH4 · pith_short_8: WU4TGZIJ

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/WU4TGZIJCZ5KZLH4GTHUMIMXMA \
  | 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: b539336509167aacacfc34cf462197602e2001c025bfdec14a87c9e4807c01ff

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cd7423a8245e7f525b68b8d7459177b5bc99ba23081d99beb5f8ab3ad06eee7c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2011-08-01T03:44:38Z",
    "title_canon_sha256": "8d3bddf405e6f5ac49de790e884af70921d376cd0f4a746f45fe37d9f22462bc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.0226",
    "kind": "arxiv",
    "version": 1
  }
}