Pith Number

pith:PKG6CX4S

pith:2005:PKG6CX4SIWDKUIXO42SFLJQWM2

not attested not anchored not stored refs pending

Quantum dense coding via atomic ensembles without prior distributed entangled state

Ming Yang, Ping Dong, You-Min Yi, Zheng-Yuan Xue, Zhuo-Liang Cao

arxiv:quant-ph/0511253 v3 · 2005-11-29 · 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{PKG6CX4SIWDKUIXO42SFLJQWM2}

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	2026-07-04T14:51:52.357562Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7a8de15f924586aa22eee6a455a61666954d2dd69fb88f8c5169562faf99b48b

Aliases

arxiv: quant-ph/0511253 · arxiv_version: quant-ph/0511253v3 · doi: 10.48550/arxiv.quant-ph/0511253 · pith_short_12: PKG6CX4SIWDK · pith_short_16: PKG6CX4SIWDKUIXO · pith_short_8: PKG6CX4S

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/PKG6CX4SIWDKUIXO42SFLJQWM2 \
  | 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: 7a8de15f924586aa22eee6a455a61666954d2dd69fb88f8c5169562faf99b48b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0b57c025e595494460c6af166475207600a80a1fb0219dca1ef567cf80c1d571",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2005-11-29T11:22:14Z",
    "title_canon_sha256": "c153412455568d0b0d578b52c652b48612d8081c6b3809bc2bc4cc146482804d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0511253",
    "kind": "arxiv",
    "version": 3
  }
}