Pith Number

pith:XGDZUW5I

pith:2021:XGDZUW5I67KBUZK6MZ3OPVLPOU

not attested not anchored not stored refs pending

Nearest neighbor search with compact codes: A decoder perspective

Alexandre Sablayrolles, Herv\'e J\'egou, Kenza Amara, Matthijs Douze

arxiv:2112.09568 v2 · 2021-12-17 · cs.CV · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XGDZUW5I67KBUZK6MZ3OPVLPOU}

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	2026-07-05T03:59:00.121569Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b9879a5ba8f7d41a655e6676e7d56f75090b011ac8dcc72b9651a98fe8e711ad

Aliases

arxiv: 2112.09568 · arxiv_version: 2112.09568v2 · doi: 10.48550/arxiv.2112.09568 · pith_short_12: XGDZUW5I67KB · pith_short_16: XGDZUW5I67KBUZK6 · pith_short_8: XGDZUW5I

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/XGDZUW5I67KBUZK6MZ3OPVLPOU \
  | 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: b9879a5ba8f7d41a655e6676e7d56f75090b011ac8dcc72b9651a98fe8e711ad

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5caf655eacfb7852e8b6cd385ab01fc37c1752a329e68765742a0dcc987848b5",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-12-17T15:22:28Z",
    "title_canon_sha256": "dcba70be858fc600a116a557b81e86f78b8fa249c42b1b6b7aa27445f77785b8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2112.09568",
    "kind": "arxiv",
    "version": 2
  }
}