Pith Number

pith:F5EPTPQW

pith:2021:F5EPTPQWZAXVIMRBFXIIKVVWL3

not attested not anchored not stored refs pending

Approximate Nearest-Neighbor Search for Line Segments

Ahmed Abdelkader, David M. Mount

arxiv:2103.16071 v2 · 2021-03-30 · cs.CG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{F5EPTPQWZAXVIMRBFXIIKVVWL3}

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

Parallel Metric Skiplists and Nearest Neighbor Search

Receipt and verification

First computed	2026-07-05T02:28:08.590879Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2f48f9be16c82f5432212dd08556b65efe2595aec7d1a42fb63ddaf7b69a3b9b

Aliases

arxiv: 2103.16071 · arxiv_version: 2103.16071v2 · doi: 10.48550/arxiv.2103.16071 · pith_short_12: F5EPTPQWZAXV · pith_short_16: F5EPTPQWZAXVIMRB · pith_short_8: F5EPTPQW

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/F5EPTPQWZAXVIMRBFXIIKVVWL3 \
  | 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: 2f48f9be16c82f5432212dd08556b65efe2595aec7d1a42fb63ddaf7b69a3b9b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7bb4a3c5273649fe23c3d98035e26665a49f728189ada3d8aaa31a4350c27ca9",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2021-03-30T04:39:46Z",
    "title_canon_sha256": "ace6d02cb1d0304b740b1115deb2d5e25657211375213cbd5d3bfc035b2075b1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.16071",
    "kind": "arxiv",
    "version": 2
  }
}