Pith Number

pith:JV6UEIAD

pith:2003:JV6UEIAD52JE3TPUVVUIXBX7LS

not attested not anchored not stored refs pending

Coherent Eavesdropping Attacks in Quantum Cryptography: Nonequivalence of Quantum and Classical Key Distillation

Berthold-Georg Englert, Dagomir Kaszlikowski, Jenn Yang Lim, Leong Chuang Kwek

arxiv:quant-ph/0312172 v1 · 2003-12-20 · 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{JV6UEIAD52JE3TPUVVUIXBX7LS}

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	2026-05-18T01:37:58.815369Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4d7d422003ee924dcdf4ad688b86ff5c96ad3da06b6363237c15aab352405183

Aliases

arxiv: quant-ph/0312172 · arxiv_version: quant-ph/0312172v1 · doi: 10.48550/arxiv.quant-ph/0312172 · pith_short_12: JV6UEIAD52JE · pith_short_16: JV6UEIAD52JE3TPU · pith_short_8: JV6UEIAD

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/JV6UEIAD52JE3TPUVVUIXBX7LS \
  | 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: 4d7d422003ee924dcdf4ad688b86ff5c96ad3da06b6363237c15aab352405183

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "49674b7a96bfb1afb543a1a29065e8a55e0c652539c8ea1a1b2dc11e436206d0",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2003-12-20T06:12:52Z",
    "title_canon_sha256": "02f99f697582bd11860a968229875762a10f603e16b0973926f8f918d81cc808"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0312172",
    "kind": "arxiv",
    "version": 1
  }
}