Pith Number

pith:2O67MJPH

pith:2026:2O67MJPHPAKB6GIOQWYOSII4WJ

not attested not anchored not stored refs pending

MESS: Fast and Private Semantic Search on Multi-Graph HNSW

Haoyu Cui, Mei Wang, Tien Tuan Anh Dinh, Zengpeng Li

arxiv:2607.28999 v1 · 2026-07-31 · cs.CR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2O67MJPHPAKB6GIOQWYOSII4WJ}

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	2026-08-03T01:17:53.589212Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d3bdf625e778141f190e85b0e9211cb24c6e4c3afa71a9f8614c23968fe50c65

Aliases

arxiv: 2607.28999 · arxiv_version: 2607.28999v1 · doi: 10.48550/arxiv.2607.28999 · pith_short_12: 2O67MJPHPAKB · pith_short_16: 2O67MJPHPAKB6GIO · pith_short_8: 2O67MJPH

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/2O67MJPHPAKB6GIOQWYOSII4WJ \
  | 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: d3bdf625e778141f190e85b0e9211cb24c6e4c3afa71a9f8614c23968fe50c65

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5f3e466e339626a5aa272d42713966b9d198a844310e375177bb2f1df3b2ed62",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2026-07-31T03:53:24Z",
    "title_canon_sha256": "bf944cfff021508f569037bff676f5106e0f9f91bda83f384913e87b6b1d7b94"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.28999",
    "kind": "arxiv",
    "version": 1
  }
}