Pith Number

pith:W4STAXVC

pith:2011:W4STAXVCSUFZ2JNKLQ3SS5AVWN

not attested not anchored not stored refs pending

A quantum no-reflection theorem and the speeding up of Grover's search algorithm

G. S. Paraoanu, Karthikeyan S. Kumar

arxiv:1105.4032 v1 · 2011-05-20 · 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{W4STAXVCSUFZ2JNKLQ3SS5AVWN}

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	2026-05-18T04:21:50.133272Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b725305ea2950b9d25aa5c37297415b35c2de0617fcb3cdc0d5043b715eb9579

Aliases

arxiv: 1105.4032 · arxiv_version: 1105.4032v1 · doi: 10.48550/arxiv.1105.4032 · pith_short_12: W4STAXVCSUFZ · pith_short_16: W4STAXVCSUFZ2JNK · pith_short_8: W4STAXVC

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/W4STAXVCSUFZ2JNKLQ3SS5AVWN \
  | 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: b725305ea2950b9d25aa5c37297415b35c2de0617fcb3cdc0d5043b715eb9579

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "80dfa32a47c48a5787dcd7a34807406128a29fc2e84b97229592da4a47c26a8f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2011-05-20T08:40:51Z",
    "title_canon_sha256": "0e159db4422378ef19bb20804046e68ce18c4b19c46620fcaa8d910d19bbf7f4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.4032",
    "kind": "arxiv",
    "version": 1
  }
}