Pith Number

pith:BO64P7EL

pith:2021:BO64P7ELZ7BM2FTG643Z2C627F

not attested not anchored not stored refs pending

QAIR: Practical Query-efficient Black-Box Attacks for Image Retrieval

Hang Su, Hui Xue, Jinfeng Li, Shaokai Ye, Shuhui Wang, Xiaodan Li, Yuan He, Yuefeng Chen

arxiv:2103.02927 v2 · 2021-03-04 · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BO64P7ELZ7BM2FTG643Z2C627F}

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	2026-07-05T02:25:39.808850Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0bbdc7fc8bcfc2cd1666f7379d0bdaf9616106cc320b473ad3e3da9445094433

Aliases

arxiv: 2103.02927 · arxiv_version: 2103.02927v2 · doi: 10.48550/arxiv.2103.02927 · pith_short_12: BO64P7ELZ7BM · pith_short_16: BO64P7ELZ7BM2FTG · pith_short_8: BO64P7EL

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/BO64P7ELZ7BM2FTG643Z2C627F \
  | 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: 0bbdc7fc8bcfc2cd1666f7379d0bdaf9616106cc320b473ad3e3da9445094433

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f71423ed77e267892139f4e322001be1c98a42cc048ccd5d38e9bc8dab09ee83",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-03-04T10:18:43Z",
    "title_canon_sha256": "9e1759255c21608a382a8bbbeba2bde46dd8bbd0fcabbbad50b33c5f91b102c2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.02927",
    "kind": "arxiv",
    "version": 2
  }
}