Pith Number

pith:MZ7RYNN4

pith:2025:MZ7RYNN4BD4ESRGZUSIXGXFAU6

not attested not anchored not stored refs pending

Grover's search with an oracle distinguishing between solutions

Hristo Tonchev, Rosen Bahtev

arxiv:2508.19793 v2 · 2025-08-27 · 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{MZ7RYNN4BD4ESRGZUSIXGXFAU6}

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.

Cited by

1 paper in Pith

Non-unitary extension of Grover's search algorithm

Receipt and verification

First computed	2026-07-05T12:02:07.210852Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

667f1c35bc08f84944d9a491735ca0a794c3decf111b67824f513bb48a71efc3

Aliases

arxiv: 2508.19793 · arxiv_version: 2508.19793v2 · doi: 10.48550/arxiv.2508.19793 · pith_short_12: MZ7RYNN4BD4E · pith_short_16: MZ7RYNN4BD4ESRGZ · pith_short_8: MZ7RYNN4

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/MZ7RYNN4BD4ESRGZUSIXGXFAU6 \
  | 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: 667f1c35bc08f84944d9a491735ca0a794c3decf111b67824f513bb48a71efc3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ae99da8387c052f96c03bdce27207a99d9decae631380f59081526d718b4642d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2025-08-27T11:19:07Z",
    "title_canon_sha256": "8b922a44fa80b39c0d3535010d0eaa34e2bd1a2d1be83ea33e0427cdf2c50bd6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2508.19793",
    "kind": "arxiv",
    "version": 2
  }
}