Pith Number

pith:WPDGTHYY

pith:2026:WPDGTHYYKRFNBPZJT6PRPXRCOC

not attested not anchored not stored refs pending

Shared SFT Lessons Across Alignment, Model Organisms, and Toy Models

Anton de la Fuente, Arthur Conmy

arxiv:2607.26173 v1 · 2026-07-28 · 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{WPDGTHYYKRFNBPZJT6PRPXRCOC}

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	2026-07-30T00:08:37.641671Z
Builder	pith-number-builder-2026-05-17-v1
Signature	unsigned_v0
Schema	pith-number/v1.0

Canonical hash

b3c6699f18544ad0bf299f9f17de2270a5c63c32a6ba98555e0b82c0f869e97b

Aliases

arxiv: 2607.26173 · arxiv_version: 2607.26173v1 · doi: 10.48550/arxiv.2607.26173 · pith_short_12: WPDGTHYYKRFN · pith_short_16: WPDGTHYYKRFNBPZJ · pith_short_8: WPDGTHYY

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/WPDGTHYYKRFNBPZJT6PRPXRCOC \
  | 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: b3c6699f18544ad0bf299f9f17de2270a5c63c32a6ba98555e0b82c0f869e97b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "72706475ded665616570c77c35534e8cb65af7172cd94be45534607b64e325ca",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-07-28T18:29:45Z",
    "title_canon_sha256": "670a07e6a61c79e6d778de8b68204e0241585ac478202a1d48fff13a69ecafce"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.26173",
    "kind": "arxiv",
    "version": 1
  }
}