Pith Number

pith:5ALN26H7

pith:2018:5ALN26H73EJM4WWBOHJZ56AJSP

not attested not anchored not stored refs pending

An Algorithm for Reducing Approximate Nearest Neighbor to Approximate Near Neighbor with O(logn) Query Time

Hengzhao Ma, Jianzhong Li

arxiv:1809.09776 v1 · 2018-09-26 · cs.DS · cs.CC · 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{5ALN26H73EJM4WWBOHJZ56AJSP}

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	2026-05-18T00:04:43.669604Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e816dd78ffd912ce5ac171d39ef80993fb7a2a96ba94abf06b7f1cf5bf210418

Aliases

arxiv: 1809.09776 · arxiv_version: 1809.09776v1 · doi: 10.48550/arxiv.1809.09776 · pith_short_12: 5ALN26H73EJM · pith_short_16: 5ALN26H73EJM4WWB · pith_short_8: 5ALN26H7

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/5ALN26H73EJM4WWBOHJZ56AJSP \
  | 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: e816dd78ffd912ce5ac171d39ef80993fb7a2a96ba94abf06b7f1cf5bf210418

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "69aa6318f4cabe6a8e1e5113076c0604101a01aad9289079c0e87b109488b964",
    "cross_cats_sorted": [
      "cs.CC",
      "cs.CG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2018-09-26T01:42:05Z",
    "title_canon_sha256": "874e0f82fc4d4f106eec70f77ac6575f47ad5d907193ac39954809862419811d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.09776",
    "kind": "arxiv",
    "version": 1
  }
}