pith. sign in
Pith Number

pith:FIBAEKNU

pith:2015:FIBAEKNUB2D3UOSYC7C5UJRQ47
not attested not anchored not stored refs pending

Ball*-tree: Efficient spatial indexing for constrained nearest-neighbor search in metric spaces

Ali Hadian, Behrouz Minaei-Bidgoli, Mohamad Dolatshah

arxiv:1511.00628 v1 · 2015-11-02 · cs.DB · cs.CG · cs.DS

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{FIBAEKNUB2D3UOSYC7C5UJRQ47}

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 2026-05-18T01:28:11.779601Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

2a020229b40e87ba3a5817c5da2630e7f24c7a516f4454c42ee1299a83396882

Aliases

arxiv: 1511.00628 · arxiv_version: 1511.00628v1 · doi: 10.48550/arxiv.1511.00628 · pith_short_12: FIBAEKNUB2D3 · pith_short_16: FIBAEKNUB2D3UOSY · pith_short_8: FIBAEKNU
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/FIBAEKNUB2D3UOSYC7C5UJRQ47 \
  | 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: 2a020229b40e87ba3a5817c5da2630e7f24c7a516f4454c42ee1299a83396882
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "bad9f45d92ca46f42130d64ea43349c2d7d0ea7bd3b99664aaa3647e3b13685c",
    "cross_cats_sorted": [
      "cs.CG",
      "cs.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2015-11-02T18:54:49Z",
    "title_canon_sha256": "ba7db9c058ce23d33048509df775a078f2851611b42b18af03726de7a3d39ac3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.00628",
    "kind": "arxiv",
    "version": 1
  }
}