Pith Number

pith:2VNEU4UD

pith:2006:2VNEU4UDCYB7QD2OOUJNG3HOON

not attested not anchored not stored refs pending

Security of decoy-state quantum key distribution with inexactly controlled source

Cheng-Zhi Peng, Jian-Wei Pan, Jun Zhang, Xiang-Bin Wang

arxiv:quant-ph/0612121 v3 · 2006-12-14 · 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{2VNEU4UDCYB7QD2OOUJNG3HOON}

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	2026-05-18T03:24:19.202682Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d55a4a72831603f80f4e7512d36cee737f29b38317283897b7ec94c64203e4e2

Aliases

arxiv: quant-ph/0612121 · arxiv_version: quant-ph/0612121v3 · doi: 10.48550/arxiv.quant-ph/0612121 · pith_short_12: 2VNEU4UDCYB7 · pith_short_16: 2VNEU4UDCYB7QD2O · pith_short_8: 2VNEU4UD

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/2VNEU4UDCYB7QD2OOUJNG3HOON \
  | 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: d55a4a72831603f80f4e7512d36cee737f29b38317283897b7ec94c64203e4e2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c0e8b04420e850b0c9cd2e7ee33c496d6d9813adab71b2fc8fd32ccbfe6c3be9",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2006-12-14T16:24:19Z",
    "title_canon_sha256": "2ec58bd06b9751889d5c089b394f41a1121c3ccafbce7657ea1d8a87d11e3552"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0612121",
    "kind": "arxiv",
    "version": 3
  }
}