Pith Number

pith:OL4666HQ

pith:2008:OL4666HQ2DZ5ZQPCNIJAEBJCOF

not attested not anchored not stored refs pending

Experimental quantum coding against photon loss error

Chao-Yang Lu, Jian-Wei Pan, Jin Zhang, Tao Yang, Wei-Bo Gao, Xiao-Qi Zhou

arxiv:0804.2268 v2 · 2008-04-14 · quant-ph · cond-mat.other

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OL4666HQ2DZ5ZQPCNIJAEBJCOF}

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	2026-05-18T01:14:59.146632Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

72f9ef78f0d0f3dcc1e26a120205227166e310434fb55a565e7426eed2356efb

Aliases

arxiv: 0804.2268 · arxiv_version: 0804.2268v2 · doi: 10.48550/arxiv.0804.2268 · pith_short_12: OL4666HQ2DZ5 · pith_short_16: OL4666HQ2DZ5ZQPC · pith_short_8: OL4666HQ

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/OL4666HQ2DZ5ZQPCNIJAEBJCOF \
  | 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: 72f9ef78f0d0f3dcc1e26a120205227166e310434fb55a565e7426eed2356efb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2f92e73fcef095a8b1e22550334ae0bf6f2c6bc9ccf6ede0b6adca6bab25aa0c",
    "cross_cats_sorted": [
      "cond-mat.other"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2008-04-14T20:51:54Z",
    "title_canon_sha256": "ddebfe8a5f5715f268e4ca66b5fef1d807ac887c682a580e8a617a81a7817e7b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0804.2268",
    "kind": "arxiv",
    "version": 2
  }
}