Pith Number

pith:B7THOOS4

pith:2003:B7THOOS45B4U6BO532FNG6QBFH

not attested not anchored not stored refs pending

Perfect Test of Entanglement for Two-level Systems

Jian-Wei Pan, Sixia Yu, Yong-De Zhang, Zeng-Bing Chen

arxiv:quant-ph/0301030 v1 · 2003-01-08 · 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{B7THOOS45B4U6BO532FNG6QBFH}

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	2026-05-18T00:59:12.212408Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0fe6773a5ce8794f05ddde8ad37a0129e77e3bb05f7643314b9089b7f128e084

Aliases

arxiv: quant-ph/0301030 · arxiv_version: quant-ph/0301030v1 · doi: 10.48550/arxiv.quant-ph/0301030 · pith_short_12: B7THOOS45B4U · pith_short_16: B7THOOS45B4U6BO5 · pith_short_8: B7THOOS4

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/B7THOOS45B4U6BO532FNG6QBFH \
  | 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: 0fe6773a5ce8794f05ddde8ad37a0129e77e3bb05f7643314b9089b7f128e084

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0ff9e4e3ddd60180967c27e5706907479b520c79b6535724cff073104e1344f0",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2003-01-08T12:44:39Z",
    "title_canon_sha256": "e18b3ab0b6a61851c97d2d851694c331d833156e2d21375f785a2be1e0a47bca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0301030",
    "kind": "arxiv",
    "version": 1
  }
}