Pith Number

pith:SX2YML3P

pith:2002:SX2YML3PEJ43OUZ2VNCMLQ5TBK

not attested not anchored not stored refs pending

Relativistic corrections to the Ekert test for eavesdropping

Marek Czachor

arxiv:quant-ph/0205187 v1 · 2002-05-30 · 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{SX2YML3PEJ43OUZ2VNCMLQ5TBK}

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	2026-05-18T01:38:01.833067Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

95f5862f6f2279b7533aab44c5c3b30a8cd6837305a8934c1b1884d883d4b169

Aliases

arxiv: quant-ph/0205187 · arxiv_version: quant-ph/0205187v1 · doi: 10.48550/arxiv.quant-ph/0205187 · pith_short_12: SX2YML3PEJ43 · pith_short_16: SX2YML3PEJ43OUZ2 · pith_short_8: SX2YML3P

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/SX2YML3PEJ43OUZ2VNCMLQ5TBK \
  | 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: 95f5862f6f2279b7533aab44c5c3b30a8cd6837305a8934c1b1884d883d4b169

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "92fc73dc71b9a6fb03c778f8b9d5a3830e70c3a65514a6ea396f51fcf4614da0",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2002-05-30T14:07:27Z",
    "title_canon_sha256": "c818963980f986a69b406d554e7aa83ae7840dd20d9ed0a5c2e076a8f7a33300"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0205187",
    "kind": "arxiv",
    "version": 1
  }
}