Pith Number

pith:XROAKLWW

pith:2025:XROAKLWWPZBKWYTYPABNBDULE7

not attested not anchored not stored refs pending

Depth-Based Matrix Classification for the HHL Quantum Algorithm

Cory Merkel, Mark Danza, Sonia Lopez Alarcon

arxiv:2505.22454 v1 · 2025-05-28 · quant-ph · 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{XROAKLWWPZBKWYTYPABNBDULE7}

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	2026-07-05T11:11:24.349483Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bc5c052ed67e42ab62787802d08e8b27e9804724ddadbab0ea1cbbbe422bc35b

Aliases

arxiv: 2505.22454 · arxiv_version: 2505.22454v1 · doi: 10.48550/arxiv.2505.22454 · pith_short_12: XROAKLWWPZBK · pith_short_16: XROAKLWWPZBKWYTY · pith_short_8: XROAKLWW

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/XROAKLWWPZBKWYTYPABNBDULE7 \
  | 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: bc5c052ed67e42ab62787802d08e8b27e9804724ddadbab0ea1cbbbe422bc35b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "739dbea8e1f848b52462149295b1101c6a34632c8c59c702b02c0f7f918b79c8",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2025-05-28T15:11:53Z",
    "title_canon_sha256": "e4cadaa2fe20dbf74a9a400ba2308ddfd467b074127432133cedf942d25569b0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.22454",
    "kind": "arxiv",
    "version": 1
  }
}