Pith Number

pith:MYQBCO5T

pith:2020:MYQBCO5TS65CPRJKBIH5EJFRUF

not attested not anchored not stored refs pending

The Case for Learned Spatial Indexes

Alexander van Renen, Alfons Kemper, Andreas Kipf, Ibrahim Sabek, Jialin Ding, Varun Pandey

arxiv:2008.10349 v1 · 2020-08-24 · cs.DB · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MYQBCO5TS65CPRJKBIH5EJFRUF}

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.

Cited by

1 paper in Pith

Tradeoffs in Processing Queries and Supporting Updates over an ML-Enhanced R-tree

Receipt and verification

First computed	2026-07-05T01:29:23.099017Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6620113bb397ba27c52a0a0fd224b1a17ade464303a078bbe7ae32be02d3fe62

Aliases

arxiv: 2008.10349 · arxiv_version: 2008.10349v1 · doi: 10.48550/arxiv.2008.10349 · pith_short_12: MYQBCO5TS65C · pith_short_16: MYQBCO5TS65CPRJK · pith_short_8: MYQBCO5T

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/MYQBCO5TS65CPRJKBIH5EJFRUF \
  | 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: 6620113bb397ba27c52a0a0fd224b1a17ade464303a078bbe7ae32be02d3fe62

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b076ad257d14400fe5aae2c1911810e3fa0cdfe4b2033c877781b2680742f754",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2020-08-24T12:09:55Z",
    "title_canon_sha256": "9e7496ac8771622cbcde09fd9e83a244f14c3487fc6b8a5b12bd7cdff99545f2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2008.10349",
    "kind": "arxiv",
    "version": 1
  }
}