Pith Number

pith:WORGDJD2

pith:2019:WORGDJD253CAWDL4HJO7NVQCQE

not attested not anchored not stored refs pending

Strong Converse for Classical-Quantum Degraded Broadcast Channels

Cambyse Rouz\'e, Hao-Chung Cheng, Nilanjana Datta

arxiv:1905.00874 v1 · 2019-05-02 · 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{WORGDJD253CAWDL4HJO7NVQCQE}

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	2026-05-17T23:47:09.005892Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b3a261a47aeec40b0d7c3a5df6d602811491db6a68da81a096a85f48be2857bf

Aliases

arxiv: 1905.00874 · arxiv_version: 1905.00874v1 · doi: 10.48550/arxiv.1905.00874 · pith_short_12: WORGDJD253CA · pith_short_16: WORGDJD253CAWDL4 · pith_short_8: WORGDJD2

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/WORGDJD253CAWDL4HJO7NVQCQE \
  | 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: b3a261a47aeec40b0d7c3a5df6d602811491db6a68da81a096a85f48be2857bf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8ec4343c6dd7f7c6052e314422de947c32e290d4fb2accfdc7a066513d6f554d",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2019-05-02T17:44:07Z",
    "title_canon_sha256": "02b3b547402d71613c1ea23a0363a7f81d4490152ef8ac441e75ae45e97669b3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.00874",
    "kind": "arxiv",
    "version": 1
  }
}