Pith Number

pith:VX2OVAGK

pith:2012:VX2OVAGKSNBEPVS4NZFT2GKEZL

not attested not anchored not stored refs pending

Spatial Queries with Two kNN Predicates

Ahmed M. Aly, Mourad Ouzzani, Walid G. Aref

arxiv:1208.0074 v1 · 2012-08-01 · 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{VX2OVAGKSNBEPVS4NZFT2GKEZL}

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	2026-05-18T03:49:45.097150Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

adf4ea80ca934247d65c6e4b3d1944cac065516f31c03a97a427d7c7a03f8407

Aliases

arxiv: 1208.0074 · arxiv_version: 1208.0074v1 · doi: 10.48550/arxiv.1208.0074 · pith_short_12: VX2OVAGKSNBE · pith_short_16: VX2OVAGKSNBEPVS4 · pith_short_8: VX2OVAGK

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/VX2OVAGKSNBEPVS4NZFT2GKEZL \
  | 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: adf4ea80ca934247d65c6e4b3d1944cac065516f31c03a97a427d7c7a03f8407

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7b56856a2a88788dcf17ba6ae90e005f58e09cfd3ba18cb20e4b12179da25d8b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2012-08-01T03:43:08Z",
    "title_canon_sha256": "1bb20ff90407b68f8dc88f0ddcd88749d7b72591392a24bd35a1dd11af3570f4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.0074",
    "kind": "arxiv",
    "version": 1
  }
}