Pith Number

pith:ETANUKCD

pith:2025:ETANUKCDX7HEYA5ADKIWS2D7KH

not attested not anchored not stored refs pending

NISQ Security and Complexity via Simple Classical Reasoning

Alexandru Cojocaru, Fang Song, Juan Garay, Qipeng Liu

arxiv:2509.09900 v1 · 2025-09-11 · quant-ph · cs.CC · cs.CR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ETANUKCDX7HEYA5ADKIWS2D7KH}

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	2026-07-05T12:09:51.638354Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

24c0da2843bfce4c03a01a9169687f51edee14cb48b26e4596e83f53dc77d6c7

Aliases

arxiv: 2509.09900 · arxiv_version: 2509.09900v1 · doi: 10.48550/arxiv.2509.09900 · pith_short_12: ETANUKCDX7HE · pith_short_16: ETANUKCDX7HEYA5A · pith_short_8: ETANUKCD

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/ETANUKCDX7HEYA5ADKIWS2D7KH \
  | 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: 24c0da2843bfce4c03a01a9169687f51edee14cb48b26e4596e83f53dc77d6c7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1590dfbf7c0d2de22e2e52a32f12f66e7a955e8f2fdfc953e6d38b56d4a50c4a",
    "cross_cats_sorted": [
      "cs.CC",
      "cs.CR"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2025-09-11T23:31:39Z",
    "title_canon_sha256": "915c5972cef52f11a9dc438e31ee6d4cefdc3e96a6a1b7b93f892b88c196c2c6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2509.09900",
    "kind": "arxiv",
    "version": 1
  }
}