Pith Number

pith:4LUIM3RX

pith:2018:4LUIM3RXB3NU5ARXNNPVD46NCE

not attested not anchored not stored refs pending

Secure $k$-ish Nearest Neighbors Classifier

Dan Feldman, Daniela Rus, Hayim Shaul

arxiv:1801.07301 v2 · 2018-01-22 · cs.DS · cs.CG · cs.CR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4LUIM3RXB3NU5ARXNNPVD46NCE}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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

Lightweight, Practical Encrypted Face Recognition with GPU Support

Receipt and verification

First computed	2026-05-17T23:47:31.529602Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e2e8866e370edb4e82376b5f51f3cd113531ce8f2ba37b6ea666b390d1d4df06

Aliases

arxiv: 1801.07301 · arxiv_version: 1801.07301v2 · doi: 10.48550/arxiv.1801.07301 · pith_short_12: 4LUIM3RXB3NU · pith_short_16: 4LUIM3RXB3NU5ARX · pith_short_8: 4LUIM3RX

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/4LUIM3RXB3NU5ARXNNPVD46NCE \
  | 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: e2e8866e370edb4e82376b5f51f3cd113531ce8f2ba37b6ea666b390d1d4df06

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fc5d1a27db7c8d558fd03c52320bcbb6eda97d3b7e48a989c94b1393e791e663",
    "cross_cats_sorted": [
      "cs.CG",
      "cs.CR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2018-01-22T20:11:09Z",
    "title_canon_sha256": "dacb4cda30f45ea6e3e27564db8c65c9ffc63e2a85ef046633dc5c28ecd0e0dd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.07301",
    "kind": "arxiv",
    "version": 2
  }
}