Pith Number

pith:XVP7RAIT

pith:2021:XVP7RAITPRNL5WOYHSNR4FXREZ

not attested not anchored not stored refs pending

Grover search revisited; application to image pattern matching

Hiroyuki Tezuka, Kouhei Nakaji, Naoki Yamamoto, Takahiko satoh

arxiv:2108.10854 v2 · 2021-08-24 · 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{XVP7RAITPRNL5WOYHSNR4FXREZ}

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	2026-07-05T04:08:25.160476Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bd5ff881137c5abed9d83c9b1e16f1265f5437f2739b81a2cfc8a156926853cc

Aliases

arxiv: 2108.10854 · arxiv_version: 2108.10854v2 · doi: 10.48550/arxiv.2108.10854 · pith_short_12: XVP7RAITPRNL · pith_short_16: XVP7RAITPRNL5WOY · pith_short_8: XVP7RAIT

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/XVP7RAITPRNL5WOYHSNR4FXREZ \
  | 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: bd5ff881137c5abed9d83c9b1e16f1265f5437f2739b81a2cfc8a156926853cc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d9a151e5e447ea9d644ecf7ae4fa6f84d0371ec3a5c870e3508f86cb07aed128",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2021-08-24T17:30:41Z",
    "title_canon_sha256": "c24746e0b829a76bf667938f3cbbf754eec6f92d31e1c375ff103d68a79046f0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2108.10854",
    "kind": "arxiv",
    "version": 2
  }
}