Pith Number

pith:5QHAVJSS

pith:2026:5QHAVJSSHLKE6URKJSMEPKI2SK

not attested not anchored not stored refs pending

Evaluating Learned Spatial Indexes

Jun Yang, Michael Mathioudakis, Sachith Pai

arxiv:2606.19034 v1 · 2026-06-17 · 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{5QHAVJSSHLKE6URKJSMEPKI2SK}

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	2026-06-19T16:11:54.980773Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ec0e0aa6523ad44f522a4c9847a91a928e0792a860cc8f063dddc0b44eb1696f

Aliases

arxiv: 2606.19034 · arxiv_version: 2606.19034v1 · doi: 10.48550/arxiv.2606.19034 · pith_short_12: 5QHAVJSSHLKE · pith_short_16: 5QHAVJSSHLKE6URK · pith_short_8: 5QHAVJSS

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/5QHAVJSSHLKE6URKJSMEPKI2SK \
  | 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: ec0e0aa6523ad44f522a4c9847a91a928e0792a860cc8f063dddc0b44eb1696f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1d154d11a4aad6012b3147d43332b519887efe1ca2145be30b7024da32359adf",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2026-06-17T13:05:08Z",
    "title_canon_sha256": "ef42ee91c9d177e7422fd7f3e07c88b68fe1e39481d640907d9a4779669ca639"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.19034",
    "kind": "arxiv",
    "version": 1
  }
}