Pith Number

pith:C2PWZPMS

pith:2026:C2PWZPMSTQX36NOXAH2F3LVFF5

not attested not anchored not stored refs pending

Quantum principal component analysis without eigenvector recovery

Mark M. Wilde, Michele Minervini, Nana Liu, Yewei Yuan

arxiv:2605.27942 v1 · 2026-05-27 · quant-ph · cs.DS · cs.LG

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{C2PWZPMSTQX36NOXAH2F3LVFF5}

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	2026-05-28T01:04:53.423865Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

169f6cbd929c2fbf35d701f45daea52f4629b2be151e09e9d9ebbf55ef44b9d5

Aliases

arxiv: 2605.27942 · arxiv_version: 2605.27942v1 · doi: 10.48550/arxiv.2605.27942 · pith_short_12: C2PWZPMSTQX3 · pith_short_16: C2PWZPMSTQX36NOX · pith_short_8: C2PWZPMS

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/C2PWZPMSTQX36NOXAH2F3LVFF5 \
  | 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: 169f6cbd929c2fbf35d701f45daea52f4629b2be151e09e9d9ebbf55ef44b9d5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7c54a4a7dba0631f0f3ca07593561bd6af3f256f1aa1e8498a9c1cf19d9dea22",
    "cross_cats_sorted": [
      "cs.DS",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2026-05-27T04:27:47Z",
    "title_canon_sha256": "b8ce54cfa6ef630adb39db545220e4d0ad4480e1b71282f346a95f7d95c1ad59"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.27942",
    "kind": "arxiv",
    "version": 1
  }
}