Pith Number

pith:IEWVJKCD

pith:1997:IEWVJKCDMJB2N4QRV6426UN3M7

not attested not anchored not stored refs pending

Entanglement Measures and Purification Procedures

M.B. Plenio, V. Vedral

arxiv:quant-ph/9707035 v2 · 1997-07-17 · 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{IEWVJKCDMJB2N4QRV6426UN3M7}

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

Estimating the best separable approximation of non-pure spin-squeezed states

The Maximal Entanglement Limit in Statistical and High Energy Physics

Receipt and verification

First computed	2026-05-18T04:17:25.733671Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

412d54a8436243a6f211afb9af51bb67fd53655d18432720c27323555bcae9fe

Aliases

arxiv: quant-ph/9707035 · arxiv_version: quant-ph/9707035v2 · doi: 10.48550/arxiv.quant-ph/9707035 · pith_short_12: IEWVJKCDMJB2 · pith_short_16: IEWVJKCDMJB2N4QR · pith_short_8: IEWVJKCD

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/IEWVJKCDMJB2N4QRV6426UN3M7 \
  | 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: 412d54a8436243a6f211afb9af51bb67fd53655d18432720c27323555bcae9fe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4777bea1bd4196e1c6857e99298836597bec760d9008a3f90d84d1b40e5b572f",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "1997-07-17T09:28:44Z",
    "title_canon_sha256": "a65a9f6c3c853be7696ba734875fe824a24b3e19645d4981aaf9015eb5da0407"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/9707035",
    "kind": "arxiv",
    "version": 2
  }
}