Pith Number

pith:QQ7XEJVV

pith:2008:QQ7XEJVVUGGCIW6OD6BXIUSUPD

not attested not anchored not stored refs pending

Proposal of an eavesdropping experiment for BB84 QKD protocol with 1-3 phase-covariant quantum cloner

Akihisa Tomita, Francesco Buscemi, Yuta Okubo

arxiv:0806.1778 v1 · 2008-06-11 · 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{QQ7XEJVVUGGCIW6OD6BXIUSUPD}

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	2026-05-18T02:15:51.703537Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

843f7226b5a18c245bce1f8374525478c1b1636b51e415d90536f3b6e88c6ee1

Aliases

arxiv: 0806.1778 · arxiv_version: 0806.1778v1 · doi: 10.48550/arxiv.0806.1778 · pith_short_12: QQ7XEJVVUGGC · pith_short_16: QQ7XEJVVUGGCIW6O · pith_short_8: QQ7XEJVV

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/QQ7XEJVVUGGCIW6OD6BXIUSUPD \
  | 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: 843f7226b5a18c245bce1f8374525478c1b1636b51e415d90536f3b6e88c6ee1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "df84f599fa062ac36229b465b4fe00eeaf5e0b187f378df337c5138c46bf6a2f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2008-06-11T02:06:29Z",
    "title_canon_sha256": "c6f2c727a0b7af043fe07ee71dc8a41ec866a05676f1d3aa961a21dcbcb5ff3d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0806.1778",
    "kind": "arxiv",
    "version": 1
  }
}