Pith Number

pith:WU2Q46T4

pith:2018:WU2Q46T42H24JQNGB7PRZN6QSU

not attested not anchored not stored refs pending

Universal Perturbation Attack Against Image Retrieval

Hong Liu, Jie Li, Qi Tian, Rongrong Ji, Xiaopeng Hong, Yue Gao

arxiv:1812.00552 v2 · 2018-12-03 · cs.CV · cs.CR · 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{WU2Q46T42H24JQNGB7PRZN6QSU}

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	2026-07-05T00:03:54.882232Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b5350e7a7cd1f5c4c1a60fdf1cb7d0952668bc2eda67fb22968e48a8aaed03f3

Aliases

arxiv: 1812.00552 · arxiv_version: 1812.00552v2 · doi: 10.48550/arxiv.1812.00552 · pith_short_12: WU2Q46T42H24 · pith_short_16: WU2Q46T42H24JQNG · pith_short_8: WU2Q46T4

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/WU2Q46T42H24JQNGB7PRZN6QSU \
  | 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: b5350e7a7cd1f5c4c1a60fdf1cb7d0952668bc2eda67fb22968e48a8aaed03f3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "92835f8346f474ee61ab2be619e959be7784407631b1d5f43eaeb3ad35e8bed3",
    "cross_cats_sorted": [
      "cs.CR",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2018-12-03T04:52:06Z",
    "title_canon_sha256": "aea228d63451dc2376cac7d886ae87415f69b923fb49a81b3cc95d38545beb5f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.00552",
    "kind": "arxiv",
    "version": 2
  }
}