Pith Number

pith:Q3F4NBWU

pith:2023:Q3F4NBWUTIKYVJORXEW6ULUGXE

not attested not anchored not stored refs pending

Approximate Nearest Neighbor Searching with Non-Euclidean and Weighted Distances

Ahmed Abdelkader, David M. Mount, Guilherme D. da Fonseca, Sunil Arya

arxiv:2306.15621 v1 · 2023-06-27 · 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{Q3F4NBWUTIKYVJORXEW6ULUGXE}

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	2026-07-05T06:25:35.022440Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

86cbc686d49a158aa5d1b92dea2e86b9115e716be172074722db9931d4d86528

Aliases

arxiv: 2306.15621 · arxiv_version: 2306.15621v1 · doi: 10.48550/arxiv.2306.15621 · pith_short_12: Q3F4NBWUTIKY · pith_short_16: Q3F4NBWUTIKYVJOR · pith_short_8: Q3F4NBWU

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/Q3F4NBWUTIKYVJORXEW6ULUGXE \
  | 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: 86cbc686d49a158aa5d1b92dea2e86b9115e716be172074722db9931d4d86528

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cd7cde7e344f9384932ea46f7f6595dbeb3809b58324c2444996f281553425a8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2023-06-27T17:01:05Z",
    "title_canon_sha256": "d0281cdf5fe7f62900f14acbdafe43901aaab3d78214d108eb4194b30a33582a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2306.15621",
    "kind": "arxiv",
    "version": 1
  }
}