Pith Number

pith:TOSVM6WH

pith:2026:TOSVM6WH4A7IEG7VPSQCS2PVJH

not attested not anchored not stored refs pending

Exponentially many initializations to avoid barren plateaus

Ankit Kulshrestha, Diego Garc\'ia-Mart\'in, Ilya Safro, Lukasz Cincio, M. Cerezo, Ricard Puig, Zo\"e Holmes

arxiv:2606.18515 v1 · 2026-06-16 · quant-ph · cs.LG · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TOSVM6WH4A7IEG7VPSQCS2PVJH}

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	2026-06-19T16:11:39.273017Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9ba5567ac7e03e821bf57ca02969f549ddb117d080a6f59d3c5b2e578452bb73

Aliases

arxiv: 2606.18515 · arxiv_version: 2606.18515v1 · doi: 10.48550/arxiv.2606.18515 · pith_short_12: TOSVM6WH4A7I · pith_short_16: TOSVM6WH4A7IEG7V · pith_short_8: TOSVM6WH

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/TOSVM6WH4A7IEG7VPSQCS2PVJH \
  | 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: 9ba5567ac7e03e821bf57ca02969f549ddb117d080a6f59d3c5b2e578452bb73

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "943dcfca973b316eec12290f541223c7da06a65737c0639004350ed3503b4f15",
    "cross_cats_sorted": [
      "cs.LG",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2026-06-16T22:07:17Z",
    "title_canon_sha256": "77aad8e5fdb357c0c4662b8cde300c378366bc2feec872b3bf0c7317d77181ee"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.18515",
    "kind": "arxiv",
    "version": 1
  }
}