Pith Number

pith:EXOXARC3

pith:2026:EXOXARC3EMTRU2GGBDBEX6ZXZV

not attested not anchored not stored refs pending

Transformers Provably Learn to Internalize Chain-of-Thought

Hanlin Zhu, Jiantao Jiao, Somayeh Sojoudi, Song Mei, Stuart Russell, Yixiao Huang, Zixuan Wang

arxiv:2605.28600 v1 · 2026-05-27 · 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{EXOXARC3EMTRU2GGBDBEX6ZXZV}

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	2026-05-28T02:04:57.475519Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

25dd70445b23271a68c608c24bfb37cd49d6b1d1543936df5342e65ce01fa9a5

Aliases

arxiv: 2605.28600 · arxiv_version: 2605.28600v1 · doi: 10.48550/arxiv.2605.28600 · pith_short_12: EXOXARC3EMTR · pith_short_16: EXOXARC3EMTRU2GG · pith_short_8: EXOXARC3

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/EXOXARC3EMTRU2GGBDBEX6ZXZV \
  | 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: 25dd70445b23271a68c608c24bfb37cd49d6b1d1543936df5342e65ce01fa9a5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2d9988e86d3e49349010e575e84a64b9d6f8aa1a1dab4e8ad9ab630a64427cd6",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-05-27T15:17:06Z",
    "title_canon_sha256": "ef9dd242734d0964410e1627dda3693551dc23d2fd03ca3cc881621c7386b07f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.28600",
    "kind": "arxiv",
    "version": 1
  }
}