Pith Number

pith:QJKLE25J

pith:2022:QJKLE25JWVPWP25FYEH2H62BIR

not attested not anchored not stored refs pending

Unsupervised Space Partitioning for Nearest Neighbor Search

Abrar Fahim, Mohammed Eunus Ali, Muhammad Aamir Cheema

arxiv:2206.08091 v2 · 2022-06-16 · cs.LG · cs.DB · cs.IR · stat.ML

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QJKLE25JWVPWP25FYEH2H62BIR}

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	2026-07-05T05:08:04.426223Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8254b26ba9b55f67eba5c10fa3fb4144448ce92c52969bea388c846ce083de48

Aliases

arxiv: 2206.08091 · arxiv_version: 2206.08091v2 · doi: 10.48550/arxiv.2206.08091 · pith_short_12: QJKLE25JWVPW · pith_short_16: QJKLE25JWVPWP25F · pith_short_8: QJKLE25J

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/QJKLE25JWVPWP25FYEH2H62BIR \
  | 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: 8254b26ba9b55f67eba5c10fa3fb4144448ce92c52969bea388c846ce083de48

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f21f772a502b04cd7bcaee4f270e1e429c984a2f1f1cd3122efbfe5a195abe4a",
    "cross_cats_sorted": [
      "cs.DB",
      "cs.IR",
      "stat.ML"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2022-06-16T11:17:03Z",
    "title_canon_sha256": "a7386149f2938f80b827bfa714244abea9a3cf0e95c38d545d59621ab03a0aac"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2206.08091",
    "kind": "arxiv",
    "version": 2
  }
}