Pith Number

pith:2FJB7MMA

pith:2003:2FJB7MMA3ITDCRGGTKKQ6UBQIN

not attested not anchored not stored refs pending

A practically feasible entanglement assisted quantum key distribution protocol

Xiang-Bin Wang

arxiv:quant-ph/0306156 v3 · 2003-06-23 · 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{2FJB7MMA3ITDCRGGTKKQ6UBQIN}

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	2026-05-18T01:05:03.963788Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d1521fb180da263144c69a950f503043671a1ae501b3edfdad3975a074c96090

Aliases

arxiv: quant-ph/0306156 · arxiv_version: quant-ph/0306156v3 · doi: 10.48550/arxiv.quant-ph/0306156 · pith_short_12: 2FJB7MMA3ITD · pith_short_16: 2FJB7MMA3ITDCRGG · pith_short_8: 2FJB7MMA

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/2FJB7MMA3ITDCRGGTKKQ6UBQIN \
  | 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: d1521fb180da263144c69a950f503043671a1ae501b3edfdad3975a074c96090

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bf831ac7a898f2ed3432e2a4d5b1cdf4649c630a76e03bcf68adcb206d36f7c9",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2003-06-23T12:55:00Z",
    "title_canon_sha256": "3a76bccd8dc242e0ba46db71dbf8732e8765e7d68c887e39a1cd8403cb99c028"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0306156",
    "kind": "arxiv",
    "version": 3
  }
}