Pith Number

pith:22VN3SJU

pith:2026:22VN3SJUEIPGKVP3YNB4KY4VQM

not attested not anchored not stored refs pending

Efficient Safety Benchmarking via Item Response Theory

Aiden Zhou, Ayan Datta, Diogo Cruz, Fabio Spagliardi, M\'irian Silva, Vamshi Bonagiri

arxiv:2606.20626 v1 · 2026-05-26 · cs.CY · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{22VN3SJUEIPGKVP3YNB4KY4VQM}

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	2026-06-23T00:11:51.827437Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d6aaddc934221e6555fbc343c5639583183581058f6e3e7f5d3d49d09f63770c

Aliases

arxiv: 2606.20626 · arxiv_version: 2606.20626v1 · doi: 10.48550/arxiv.2606.20626 · pith_short_12: 22VN3SJUEIPG · pith_short_16: 22VN3SJUEIPGKVP3 · pith_short_8: 22VN3SJU

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/22VN3SJUEIPGKVP3YNB4KY4VQM \
  | 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: d6aaddc934221e6555fbc343c5639583183581058f6e3e7f5d3d49d09f63770c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1459fc354cd2dc46ea233f6367086f7cda6b134fdea71317b49bfe3afc089973",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CY",
    "submitted_at": "2026-05-26T17:35:31Z",
    "title_canon_sha256": "f393722126aad3467053f2c3b7a96ba1448183ef35f849fd3a36d6be2190f787"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.20626",
    "kind": "arxiv",
    "version": 1
  }
}