Pith Number

pith:MXCWJF3N

pith:2019:MXCWJF3NNDMN442IAOTAUEAWVT

not attested not anchored not stored refs pending

Benchmarking unsupervised near-duplicate image detection

Fabrizio Lamberti, Lia Morra

arxiv:1907.02821 v1 · 2019-07-03 · cs.CV · cs.CR · cs.LG · cs.MM · 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{MXCWJF3NNDMN442IAOTAUEAWVT}

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	2026-07-05T00:15:07.067633Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

65c564976d68d8de734803a60a1016acdf338ebe854ffc7466d8d7d420a38d9b

Aliases

arxiv: 1907.02821 · arxiv_version: 1907.02821v1 · doi: 10.48550/arxiv.1907.02821 · pith_short_12: MXCWJF3NNDMN · pith_short_16: MXCWJF3NNDMN442I · pith_short_8: MXCWJF3N

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/MXCWJF3NNDMN442IAOTAUEAWVT \
  | 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: 65c564976d68d8de734803a60a1016acdf338ebe854ffc7466d8d7d420a38d9b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1ca030a96d5b831bf847c89663029e15f4106706fb94ffc9363e2f1e210dacc1",
    "cross_cats_sorted": [
      "cs.CR",
      "cs.LG",
      "cs.MM",
      "stat.ML"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-07-03T09:08:47Z",
    "title_canon_sha256": "ff550abf164c56ae0be3abcd9fdb220011df02d092af788c06bddf43da023cad"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.02821",
    "kind": "arxiv",
    "version": 1
  }
}