Pith Number

pith:WIQRO5VV

pith:2026:WIQRO5VVJTXRCE4ZDBWDSTJSFX

not attested not anchored not stored refs pending

Open Weight AI Models Require Proportional Evaluation Approaches

Christopher Rodriguez, Patricia Paskov, Stephen Casper, Sunishchal Dev

arxiv:2606.19890 v1 · 2026-06-18 · 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{WIQRO5VVJTXRCE4ZDBWDSTJSFX}

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	2026-06-19T16:12:37.918364Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b2211776b54cef111399186c394d322de0cf633ebf0e954b80d16090c4d6c309

Aliases

arxiv: 2606.19890 · arxiv_version: 2606.19890v1 · doi: 10.48550/arxiv.2606.19890 · pith_short_12: WIQRO5VVJTXR · pith_short_16: WIQRO5VVJTXRCE4Z · pith_short_8: WIQRO5VV

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/WIQRO5VVJTXRCE4ZDBWDSTJSFX \
  | 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: b2211776b54cef111399186c394d322de0cf633ebf0e954b80d16090c4d6c309

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8c22c7812b1f8a5279f48c78ff4cf3a2c88d112d6b3d9485a6fab6ee94efd506",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.CY",
    "submitted_at": "2026-06-18T07:48:24Z",
    "title_canon_sha256": "07f74a1400f2a44ab50b95a3171f10ed7ac9f8958159b3e5655b160f3bbe3598"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.19890",
    "kind": "arxiv",
    "version": 1
  }
}