Pith Number

pith:2KHSEK2Z

pith:2026:2KHSEK2Z2XFLHTCHASMGPWVNSD

not attested not anchored not stored refs pending

When Does LeJEPA Learn a World Model?

David Klindt, Randall Balestriero, Yann LeCun

arxiv:2605.26379 v1 · 2026-05-25 · stat.ML · 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{2KHSEK2Z2XFLHTCHASMGPWVNSD}

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	2026-05-27T01:05:15.019269Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d28f222b59d5cab3cc47049867daad90f2b20452416ad6fc76c29543a6ecd44b

Aliases

arxiv: 2605.26379 · arxiv_version: 2605.26379v1 · doi: 10.48550/arxiv.2605.26379 · pith_short_12: 2KHSEK2Z2XFL · pith_short_16: 2KHSEK2Z2XFLHTCH · pith_short_8: 2KHSEK2Z

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/2KHSEK2Z2XFLHTCHASMGPWVNSD \
  | 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: d28f222b59d5cab3cc47049867daad90f2b20452416ad6fc76c29543a6ecd44b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7bb871383a6b71e5146908b0d116970651ccd01f532087d8d2c2f0b2e363c393",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2026-05-25T22:56:26Z",
    "title_canon_sha256": "578992fe5265b2db5331848a93c960861df5337545717625f88058a4469c4efa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.26379",
    "kind": "arxiv",
    "version": 1
  }
}