Pith Number

pith:PWQSS56N

pith:2004:PWQSS56NT2D2DIRHUV4AAEGL4T

not attested not anchored not stored refs pending

Key distillation from Gaussian states by Gaussian operations

A. Acin, A. Sanpera, J. Bae, J. I. Cirac, M. Lewenstein, M. Navascues

arxiv:quant-ph/0405047 v2 · 2004-05-11 · 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{PWQSS56NT2D2DIRHUV4AAEGL4T}

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	2026-05-18T03:56:46.426530Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7da12977cd9e87a1a227a5780010cbe4d118f38ce735392b3e66df25d48b3688

Aliases

arxiv: quant-ph/0405047 · arxiv_version: quant-ph/0405047v2 · doi: 10.48550/arxiv.quant-ph/0405047 · pith_short_12: PWQSS56NT2D2 · pith_short_16: PWQSS56NT2D2DIRH · pith_short_8: PWQSS56N

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/PWQSS56NT2D2DIRHUV4AAEGL4T \
  | 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: 7da12977cd9e87a1a227a5780010cbe4d118f38ce735392b3e66df25d48b3688

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "20dffec684784435de160d6e13c4669b58cc82b293c16bfec4a23208860c5ae2",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2004-05-11T11:05:14Z",
    "title_canon_sha256": "36a89f48055ff63505dd75ca68c9763b848023831606982a60b42eb86ec0396d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0405047",
    "kind": "arxiv",
    "version": 2
  }
}