Pith Number

pith:LMMHCDMN

pith:2021:LMMHCDMN3YKFSISSNJYMB7XOAZ

not attested not anchored not stored refs pending

Spatial Interpolation-based Learned Index for Range and kNN Queries

Rongxing Lu, Songnian Zhang, Suprio Ray, Yandong Zheng

arxiv:2102.06789 v1 · 2021-02-12 · 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{LMMHCDMN3YKFSISSNJYMB7XOAZ}

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	2026-07-05T02:14:58.474907Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5b18710d8dde145922526a70c0feee06505a713e682ce9a83da1bc111b0560fa

Aliases

arxiv: 2102.06789 · arxiv_version: 2102.06789v1 · doi: 10.48550/arxiv.2102.06789 · pith_short_12: LMMHCDMN3YKF · pith_short_16: LMMHCDMN3YKFSISS · pith_short_8: LMMHCDMN

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/LMMHCDMN3YKFSISSNJYMB7XOAZ \
  | 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: 5b18710d8dde145922526a70c0feee06505a713e682ce9a83da1bc111b0560fa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "09c97c8d64c00294368e677a58887b9cc0c938edc032672720fceea0ac57abac",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2021-02-12T21:49:12Z",
    "title_canon_sha256": "39415aa2c85b7b44b8a2f313b100e02825bdba0ac16d3a5ae508908cf814c8e1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.06789",
    "kind": "arxiv",
    "version": 1
  }
}