Pith Number

pith:UEIFZW4H

pith:2014:UEIFZW4HKGNPMDU244M6RVAFEX

not attested not anchored not stored refs pending

Spectral Approaches to Nearest Neighbor Search

Alexandr Andoni, Amirali Abdullah, Ravindran Kannan, Robert Krauthgamer

arxiv:1408.0751 v1 · 2014-08-04 · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UEIFZW4HKGNPMDU244M6RVAFEX}

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

SVD Provably Denoises Nearest Neighbor Data

Receipt and verification

First computed	2026-05-18T02:45:56.309484Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a1105cdb87519af60e9ae719e8d40525df0161fcff84b49d6ba44a659cd23563

Aliases

arxiv: 1408.0751 · arxiv_version: 1408.0751v1 · doi: 10.48550/arxiv.1408.0751 · pith_short_12: UEIFZW4HKGNP · pith_short_16: UEIFZW4HKGNPMDU2 · pith_short_8: UEIFZW4H

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/UEIFZW4HKGNPMDU244M6RVAFEX \
  | 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: a1105cdb87519af60e9ae719e8d40525df0161fcff84b49d6ba44a659cd23563

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a7aad7fac2a03c1f7658b79d2aeea030fea5a9257ecc6abc18f34d364d28ad7f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2014-08-04T17:51:17Z",
    "title_canon_sha256": "1f3d286b109182f35b750d1f1c5a1caa3c048176e3bcf5ed15fcaa6a47d17ff6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1408.0751",
    "kind": "arxiv",
    "version": 1
  }
}