Pith Number

pith:YISD4VGW

pith:2005:YISD4VGWR4KAZW7HZ7Q5IVF575

not attested not anchored not stored refs pending

A different kind of quantum search

Lov K. Grover (Bell Labs, Lucent)

arxiv:quant-ph/0503205 v1 · 2005-03-28 · 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{YISD4VGWR4KAZW7HZ7Q5IVF575}

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

Finite Imaginary-Time Evolution for Polynomial Unconstrained Binary Optimization

Receipt and verification

First computed	2026-05-18T03:24:19.874974Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c2243e54d68f140cdbe7cfe1d454bdff4b0ae9dfd44bd561e73cac35a09a703b

Aliases

arxiv: quant-ph/0503205 · arxiv_version: quant-ph/0503205v1 · doi: 10.48550/arxiv.quant-ph/0503205 · pith_short_12: YISD4VGWR4KA · pith_short_16: YISD4VGWR4KAZW7H · pith_short_8: YISD4VGW

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/YISD4VGWR4KAZW7HZ7Q5IVF575 \
  | 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: c2243e54d68f140cdbe7cfe1d454bdff4b0ae9dfd44bd561e73cac35a09a703b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4691a3c6bfbc56fc4bdfa178aab427b8f0e3c7cc25cf1076e9ea0f4ca8a61dc6",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2005-03-28T15:41:21Z",
    "title_canon_sha256": "addbd9094485be47249558265d1a2936759ee78804b0a07f17799ebd9c9f0f9e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0503205",
    "kind": "arxiv",
    "version": 1
  }
}