Pith Number

pith:Z7BEXXLV

pith:2008:Z7BEXXLVWKXX3Y2FCXKKRWHIEX

not attested not anchored not stored refs pending

Decoy states for quantum key distribution based on decoherence-free subspaces

Guang-Can Guo, Yi-bo Zhao, Zheng-Fu Han, Zheng-Wei Zhou, Zhen-Qiang Yin

arxiv:0803.1594 v1 · 2008-03-11 · 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{Z7BEXXLVWKXX3Y2FCXKKRWHIEX}

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	2026-07-04T15:12:16.952218Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cfc24bdd75b2af7de34515d4a8d8e825f19febdae56af01d086f1a687c15454d

Aliases

arxiv: 0803.1594 · arxiv_version: 0803.1594v1 · doi: 10.48550/arxiv.0803.1594 · pith_short_12: Z7BEXXLVWKXX · pith_short_16: Z7BEXXLVWKXX3Y2F · pith_short_8: Z7BEXXLV

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/Z7BEXXLVWKXX3Y2FCXKKRWHIEX \
  | 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: cfc24bdd75b2af7de34515d4a8d8e825f19febdae56af01d086f1a687c15454d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a7e6a79a06ba8d350d15450b7f2f74cd7f5ffd3cc962503b04cdf250e1ad3b6e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2008-03-11T14:14:53Z",
    "title_canon_sha256": "6a730b2c53c1d87a6510cfd42ebbfe01ef3e133e8f667e742b707c99ead77c13"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0803.1594",
    "kind": "arxiv",
    "version": 1
  }
}