Pith Number

pith:WLBKN37V

pith:2002:WLBKN37V3YZ2VZ3PCM2WRCBNVY

not attested not anchored not stored refs pending

The entanglement of purification

Barbara M. Terhal, David P. DiVincenzo, Debbie W. Leung, Michal Horodecki

arxiv:quant-ph/0202044 v3 · 2002-02-07 · 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{WLBKN37V3YZ2VZ3PCM2WRCBNVY}

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.

Cited by

2 papers in Pith

Phase transitions and uberholography of holographic pure-state geometries

Holographic entanglement entropy and complexity for the cosmological braneworld model

Receipt and verification

First computed	2026-07-04T16:35:59.424234Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b2c2a6eff5de33aae76f133568882dae22e9dde5985f989a63f471a7a49007b8

Aliases

arxiv: quant-ph/0202044 · arxiv_version: quant-ph/0202044v3 · doi: 10.48550/arxiv.quant-ph/0202044 · pith_short_12: WLBKN37V3YZ2 · pith_short_16: WLBKN37V3YZ2VZ3P · pith_short_8: WLBKN37V

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/WLBKN37V3YZ2VZ3PCM2WRCBNVY \
  | 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: b2c2a6eff5de33aae76f133568882dae22e9dde5985f989a63f471a7a49007b8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "df036cceaced7a1eca54afa0b8329183bb006ca2f832ed1ec417484f96ab7b41",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2002-02-07T17:38:17Z",
    "title_canon_sha256": "81bf8e460ace0698c1b648839be38ae1d8328e24f0030fe0ec01dd9d2c428920"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0202044",
    "kind": "arxiv",
    "version": 3
  }
}