Pith Number

pith:UFBPG4VS

pith:2019:UFBPG4VSCETEYO5LEHAN5DBEYR

not attested not anchored not stored refs pending

A Quantum Algorithm for Finding $k$-Minima

Kohei Miyamoto, Koichi Kise, Masakazu Iwamura

arxiv:1907.03315 v1 · 2019-07-07 · 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{UFBPG4VSCETEYO5LEHAN5DBEYR}

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	2026-05-17T23:41:16.604113Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a142f372b211264c3bab21c0de8c24c4624fa190ddb098203b22f0a6413e7454

Aliases

arxiv: 1907.03315 · arxiv_version: 1907.03315v1 · doi: 10.48550/arxiv.1907.03315 · pith_short_12: UFBPG4VSCETE · pith_short_16: UFBPG4VSCETEYO5L · pith_short_8: UFBPG4VS

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/UFBPG4VSCETEYO5LEHAN5DBEYR \
  | 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: a142f372b211264c3bab21c0de8c24c4624fa190ddb098203b22f0a6413e7454

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d49ec45402d8c5aaa71cb527f4d00a82c0f5f8564572ad52bf561314713b0371",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2019-07-07T16:36:21Z",
    "title_canon_sha256": "878b97f1c401fb09b1505b8b71bcb0a4b1620369ef4dc1471d430b4c8e6de835"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.03315",
    "kind": "arxiv",
    "version": 1
  }
}