Pith Number

pith:PB4X3W72

pith:2026:PB4X3W72MZVPIKW4PK3CTSHTU7

not attested not anchored not stored refs pending

CalArena: A Large-Scale Post-Hoc Calibration Benchmark

David Holzm\"uller, Eug\`ene Berta, Francis Bach, Michael I. Jordan

arxiv:2605.30188 v1 · 2026-05-28 · cs.LG · cs.AI · 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{PB4X3W72MZVPIKW4PK3CTSHTU7}

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	2026-05-29T02:06:12.347812Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

78797ddbfa666af42adc7ab629c8f3a7d3a0255d76e6d910c15d13981ac4749f

Aliases

arxiv: 2605.30188 · arxiv_version: 2605.30188v1 · doi: 10.48550/arxiv.2605.30188 · pith_short_12: PB4X3W72MZVP · pith_short_16: PB4X3W72MZVPIKW4 · pith_short_8: PB4X3W72

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/PB4X3W72MZVPIKW4PK3CTSHTU7 \
  | 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: 78797ddbfa666af42adc7ab629c8f3a7d3a0255d76e6d910c15d13981ac4749f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "297ccb391ef23342c3cc7b8b3c5cebcdd1f6206f52af4f38e5fa940ff2f6a49e",
    "cross_cats_sorted": [
      "cs.AI",
      "stat.ML"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-05-28T16:31:36Z",
    "title_canon_sha256": "68292f4ae1f2df4020a4b6cf901e144450d6bdbe954f63a4218fee9c6f18fde5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.30188",
    "kind": "arxiv",
    "version": 1
  }
}