Pith Number

pith:C2G3NIM2

pith:2021:C2G3NIM2FEQNWFQLWPJR4EL4YH

not attested not anchored not stored refs pending

Leave-one-out Unfairness

Emily Black, Matt Fredrikson

arxiv:2107.10171 v1 · 2021-07-21 · cs.LG · cs.CY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{C2G3NIM2FEQNWFQLWPJR4EL4YH}

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	2026-07-05T02:59:49.032476Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

168db6a19a2920db160bb3d31e117cc1f44ba8eae7079566539340a4e9a000a8

Aliases

arxiv: 2107.10171 · arxiv_version: 2107.10171v1 · doi: 10.48550/arxiv.2107.10171 · pith_short_12: C2G3NIM2FEQN · pith_short_16: C2G3NIM2FEQNWFQL · pith_short_8: C2G3NIM2

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/C2G3NIM2FEQNWFQLWPJR4EL4YH \
  | 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: 168db6a19a2920db160bb3d31e117cc1f44ba8eae7079566539340a4e9a000a8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "631a87a3ce85d4b0c257559483d8f8d652dabd4c4bb8d6ededd4f6e2e0919f87",
    "cross_cats_sorted": [
      "cs.CY"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2021-07-21T15:55:49Z",
    "title_canon_sha256": "be23aa6a604f767fd393e3cd3702027fbab73a2f8c4a04b0c1262ff166178403"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.10171",
    "kind": "arxiv",
    "version": 1
  }
}