Pith Number

pith:K5VAPIKN

pith:2005:K5VAPIKNB5E6UI35JFXBV5Z25N

not attested not anchored not stored refs pending

Entanglement purification for high dimensional multipartite systems

Hai-Woong Lee, Jinhyoung Lee, Seung-Woo Lee, Yong Wook Cheong

arxiv:quant-ph/0512173 v3 · 2005-12-21 · 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{K5VAPIKNB5E6UI35JFXBV5Z25N}

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	2026-05-18T04:08:52.316571Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

576a07a14d0f49ea237d496e1af73aeb7fc70fb54087c40d86808ac5009b4e80

Aliases

arxiv: quant-ph/0512173 · arxiv_version: quant-ph/0512173v3 · doi: 10.48550/arxiv.quant-ph/0512173 · pith_short_12: K5VAPIKNB5E6 · pith_short_16: K5VAPIKNB5E6UI35 · pith_short_8: K5VAPIKN

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/K5VAPIKNB5E6UI35JFXBV5Z25N \
  | 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: 576a07a14d0f49ea237d496e1af73aeb7fc70fb54087c40d86808ac5009b4e80

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "76bd8f4761a2eb00192c2687388e49d4034da6f2be4f97b4c29414a9a8a5a579",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2005-12-21T09:42:49Z",
    "title_canon_sha256": "d951592a7143a70e1f2558b36f0f171f07d00b19d7cca55a29a4b57cd1b26ed8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0512173",
    "kind": "arxiv",
    "version": 3
  }
}