Pith Number

pith:WB2T7YKH

pith:2022:WB2T7YKHYYQENBR7FR52FTTVSE

not attested not anchored not stored refs pending

Probing the geometry of correlation matrices with randomized measurements

Andreas Ketterer, Nikolai Wyderka

arxiv:2211.09610 v2 · 2022-11-17 · quant-ph · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WB2T7YKHYYQENBR7FR52FTTVSE}

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	2026-07-05T06:09:06.820712Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b0753fe147c62046863f2c7ba2ce75910d1982c161e4b45fa272b74a47a95083

Aliases

arxiv: 2211.09610 · arxiv_version: 2211.09610v2 · doi: 10.48550/arxiv.2211.09610 · pith_short_12: WB2T7YKHYYQE · pith_short_16: WB2T7YKHYYQENBR7 · pith_short_8: WB2T7YKH

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/WB2T7YKHYYQENBR7FR52FTTVSE \
  | 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: b0753fe147c62046863f2c7ba2ce75910d1982c161e4b45fa272b74a47a95083

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1ef4aa2780cdda77852cf2cff29332b989d65b36be4d346f7d5bd135da03625d",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2022-11-17T15:59:59Z",
    "title_canon_sha256": "266632bf037536045316a6b82bf01ecb5f49b9584eda5fcb1dd2c639ae1e4b06"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2211.09610",
    "kind": "arxiv",
    "version": 2
  }
}