Pith Number

pith:7IPMOBT7

pith:2018:7IPMOBT73ONP6B2HIONDGSXA3X

not attested not anchored not stored refs pending

Beating the channel capacity limit for superdense coding with entangled ququarts

Bi-Heng Liu, Chuan-Feng Li, Guang-Can Guo, Xiao-Min Hu, Yu Guo, Yun-Feng Huang

arxiv:1807.10452 v1 · 2018-07-27 · 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{7IPMOBT73ONP6B2HIONDGSXA3X}

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	2026-05-17T23:46:46.237324Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fa1ec7067fdb9aff0747439a334ae0ddd47d5b9d4dae83d6c770098d90852b60

Aliases

arxiv: 1807.10452 · arxiv_version: 1807.10452v1 · doi: 10.48550/arxiv.1807.10452 · pith_short_12: 7IPMOBT73ONP · pith_short_16: 7IPMOBT73ONP6B2H · pith_short_8: 7IPMOBT7

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/7IPMOBT73ONP6B2HIONDGSXA3X \
  | 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: fa1ec7067fdb9aff0747439a334ae0ddd47d5b9d4dae83d6c770098d90852b60

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "761fdf7e219ae2019cc1930df1bb6ff7cc8b1682ea6282076c2592a6a895bd99",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2018-07-27T06:46:39Z",
    "title_canon_sha256": "47dc721d89867f6e843234841fa6d358c4bf87d0703d587d17bcc3b059fe1ea4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.10452",
    "kind": "arxiv",
    "version": 1
  }
}