Pith Number

pith:PJJPJEF4

pith:2023:PJJPJEF4EKRPQBOGQMMC3ASZSM

not attested not anchored not stored refs pending

Identification of Systematic Errors of Image Classifiers on Rare Subgroups

Dan Zhang, Jan Hendrik Metzen, N. Grace Hua, Robin Hutmacher, Valentyn Boreiko

arxiv:2303.05072 v2 · 2023-03-09 · cs.CV · cs.AI · 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{PJJPJEF4EKRPQBOGQMMC3ASZSM}

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	2026-07-05T06:00:16.774097Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7a52f490bc22a2f805c683182d8259933e27eb7f381fa0666243018618981a7d

Aliases

arxiv: 2303.05072 · arxiv_version: 2303.05072v2 · doi: 10.48550/arxiv.2303.05072 · pith_short_12: PJJPJEF4EKRP · pith_short_16: PJJPJEF4EKRPQBOG · pith_short_8: PJJPJEF4

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/PJJPJEF4EKRPQBOGQMMC3ASZSM \
  | 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: 7a52f490bc22a2f805c683182d8259933e27eb7f381fa0666243018618981a7d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "23695c930a2519fc44312ef957f7155211ea471ea47541bbecf8e4ab8ca4ed23",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.LG"
    ],
    "license": "http://creativecommons.org/publicdomain/zero/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2023-03-09T07:08:25Z",
    "title_canon_sha256": "59c6c3008dd2465764769c359736cf86fae980a3d2e862dbc46127d3c34d359c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2303.05072",
    "kind": "arxiv",
    "version": 2
  }
}