Pith Number

pith:ZYNY4OY6

pith:2018:ZYNY4OY6E5KGV4GD3IGHWAVHXD

not attested not anchored not stored refs pending

Fast Interactive Image Retrieval using large-scale unlabeled data

Akshay Mehra, Jihun Hamm, Mikhail Belkin

arxiv:1802.04204 v1 · 2018-02-12 · cs.LG · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZYNY4OY6E5KGV4GD3IGHWAVHXD}

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	2026-05-18T00:23:46.512677Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ce1b8e3b1e27546af0c3da0c7b02a7b8f0c1eb5f5326ec2f016a184d9f5ecf70

Aliases

arxiv: 1802.04204 · arxiv_version: 1802.04204v1 · doi: 10.48550/arxiv.1802.04204 · pith_short_12: ZYNY4OY6E5KG · pith_short_16: ZYNY4OY6E5KGV4GD · pith_short_8: ZYNY4OY6

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/ZYNY4OY6E5KGV4GD3IGHWAVHXD \
  | 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: ce1b8e3b1e27546af0c3da0c7b02a7b8f0c1eb5f5326ec2f016a184d9f5ecf70

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3db6d2ebba2fd7910e3f324354a6aa5828c83d17d43a0e97b9dfe64e21e0ba1c",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2018-02-12T17:45:28Z",
    "title_canon_sha256": "91dad854b5e33b28054d0f6eb171de532aa4756bf20d34eaddd366c1c93aaf42"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.04204",
    "kind": "arxiv",
    "version": 1
  }
}