Pith Number

pith:4UOOT7PH

pith:2026:4UOOT7PHQ45V74SMY2ORAFKPSJ

not attested not anchored not stored refs pending

Approximate Quantum State Preparation Through Proximal Policy Optimization

Marco Mordacci, Michele Amoretti

arxiv:2607.21121 v1 · 2026-07-23 · quant-ph · cs.ET · 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{4UOOT7PHQ45V74SMY2ORAFKPSJ}

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	2026-07-24T01:23:53.848268Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e51ce9fde7873b5ff24cc69d10154f925a1bacddb1244204b08916d3899134de

Aliases

arxiv: 2607.21121 · arxiv_version: 2607.21121v1 · doi: 10.48550/arxiv.2607.21121 · pith_short_12: 4UOOT7PHQ45V · pith_short_16: 4UOOT7PHQ45V74SM · pith_short_8: 4UOOT7PH

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/4UOOT7PHQ45V74SMY2ORAFKPSJ \
  | 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: e51ce9fde7873b5ff24cc69d10154f925a1bacddb1244204b08916d3899134de

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eda2fa3c0d62e0ddf2450919565caae249996724f80ad614beb2123183e004b8",
    "cross_cats_sorted": [
      "cs.ET",
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2026-07-23T09:55:58Z",
    "title_canon_sha256": "d90164182b246d6f43e90e4eb0548ebddf09865d246039ead17910f825b810e4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.21121",
    "kind": "arxiv",
    "version": 1
  }
}