Pith Number

pith:FVL2SRTP

pith:2026:FVL2SRTPHQY6PHXQ2RH4ZTJJTK

not attested not anchored not stored refs pending

HRNN: A Hybrid Graph Index for Approximate Reverse k-Nearest Neighbor Search on High-Dimensional Vectors

Mingyu Yang, Wei Wang, Wentao Li, Wenxuan Xia

arxiv:2606.03225 v1 · 2026-06-02 · cs.DB · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FVL2SRTPHQY6PHXQ2RH4ZTJJTK}

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	2026-06-03T01:05:35.363587Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2d57a9466f3c31e79ef0d44fcccd299a8ce5c176023adaf2ac16c3b9e3b77642

Aliases

arxiv: 2606.03225 · arxiv_version: 2606.03225v1 · doi: 10.48550/arxiv.2606.03225 · pith_short_12: FVL2SRTPHQY6 · pith_short_16: FVL2SRTPHQY6PHXQ · pith_short_8: FVL2SRTP

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/FVL2SRTPHQY6PHXQ2RH4ZTJJTK \
  | 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: 2d57a9466f3c31e79ef0d44fcccd299a8ce5c176023adaf2ac16c3b9e3b77642

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a8c8a4f8cdfee3df7174d750f173941e50954d4112b2b30b61ca45741bc753bf",
    "cross_cats_sorted": [
      "cs.DS"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2026-06-02T06:35:54Z",
    "title_canon_sha256": "93a26e56320b41e7d8eee56f37a8ead1911a6eef5a9a9626068498d9618a0a0a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.03225",
    "kind": "arxiv",
    "version": 1
  }
}