Pith Number

pith:N7DJDPHG

pith:2025:N7DJDPHGYZ4HUXJCS4FICL64LZ

not attested not anchored not stored refs pending

Nested Grover's Algorithm for Tree Search

Andreas Wichert

arxiv:2509.07041 v1 · 2025-09-08 · quant-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{N7DJDPHGYZ4HUXJCS4FICL64LZ}

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	2026-07-05T12:07:14.504720Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6fc691bce6c6787a5d22970a812fdc5e40ecaa6b96c3f8e66f9bf7ca5585eb19

Aliases

arxiv: 2509.07041 · arxiv_version: 2509.07041v1 · doi: 10.48550/arxiv.2509.07041 · pith_short_12: N7DJDPHGYZ4H · pith_short_16: N7DJDPHGYZ4HUXJC · pith_short_8: N7DJDPHG

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/N7DJDPHGYZ4HUXJCS4FICL64LZ \
  | 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: 6fc691bce6c6787a5d22970a812fdc5e40ecaa6b96c3f8e66f9bf7ca5585eb19

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "37853f9b8f9937f8eb2e3e794c6158ccb3f4ebfa961c0ad2102ceb4c0ae4a474",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2025-09-08T10:12:32Z",
    "title_canon_sha256": "1c8ed060bf31ac263b959f410e9207e587939e0c4a11ec1a46ac666dd3cc847a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2509.07041",
    "kind": "arxiv",
    "version": 1
  }
}