Pith Number

pith:XMY2VYH2

pith:2026:XMY2VYH2NKXYWZIADECSSPTVHA

not attested not anchored not stored refs pending

Fast Approximate Vector Joins via Offline-Online Co-Design

Anastasia Ailamaki, Kyoungmin Kim, Lennart Roth, Liang Liang

arxiv:2603.16360 v2 · 2026-03-17 · cs.DB

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XMY2VYH2NKXYWZIADECSSPTVHA}

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	2026-07-24T00:23:08.681892Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bb31aae0fa6aaf8b65001905293e7538079993c13afe9ed47c31ca623d04d8c5

Aliases

arxiv: 2603.16360 · arxiv_version: 2603.16360v2 · doi: 10.48550/arxiv.2603.16360 · pith_short_12: XMY2VYH2NKXY · pith_short_16: XMY2VYH2NKXYWZIA · pith_short_8: XMY2VYH2

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/XMY2VYH2NKXYWZIADECSSPTVHA \
  | 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: bb31aae0fa6aaf8b65001905293e7538079993c13afe9ed47c31ca623d04d8c5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a745db1f80a4290b28c332c0f673ce1c21ec48bed64e8cc8b5df565facfe021c",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2026-03-17T10:47:35Z",
    "title_canon_sha256": "e38714a0c0375f3e3b550311a54dcc1916e4515f779eb8c3e0da8041f8951df9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2603.16360",
    "kind": "arxiv",
    "version": 2
  }
}