Pith Number

pith:57WYALBR

pith:2025:57WYALBRUFFYKLQVNTPKVK5HPC

not attested not anchored not stored refs pending

Self-Improving Transformers Overcome Easy-to-Hard and Length Generalization Challenges

Avi Schwarzschild, Dimitris Papailiopoulos, Kangwook Lee, Nayoung Lee, Ziyang Cai

arxiv:2502.01612 v2 · 2025-02-03 · cs.LG · 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{57WYALBRUFFYKLQVNTPKVK5HPC}

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	2026-07-05T10:13:47.394084Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

efed802c31a14b852e156cdeaaaba778a71e2900ae1d4ef58a8884efd2f3362c

Aliases

arxiv: 2502.01612 · arxiv_version: 2502.01612v2 · doi: 10.48550/arxiv.2502.01612 · pith_short_12: 57WYALBRUFFY · pith_short_16: 57WYALBRUFFYKLQV · pith_short_8: 57WYALBR

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/57WYALBRUFFYKLQVNTPKVK5HPC \
  | 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: efed802c31a14b852e156cdeaaaba778a71e2900ae1d4ef58a8884efd2f3362c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "223e205aaf6b0a70fcf16797f649df949a330df687444d2d13e7585a39de6989",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2025-02-03T18:45:22Z",
    "title_canon_sha256": "d3be15825c6949dfef5ce29aa6b6fe3fdeea3ba870fcc7114dd27e1b04c5607e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.01612",
    "kind": "arxiv",
    "version": 2
  }
}