Pith Number

pith:A2M6EF3Z

pith:2026:A2M6EF3ZWKUQFSEVAUUFHSES2K

not attested not anchored not stored refs pending

Mechanism Shift During Post-training from Autoregressive to Masked Diffusion Language Models

Hyoungjoon Lee, Injin Kong, Yohan Jo

arxiv:2601.14758 v4 · 2026-01-21 · cs.LG · cs.AI · cs.CL

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{A2M6EF3ZWKUQFSEVAUUFHSES2K}

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	2026-05-29T02:05:39.616622Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0699e21779b2a902c895052853c892d29bd24713f6ead614e8b4b2039a6d208d

Aliases

arxiv: 2601.14758 · arxiv_version: 2601.14758v4 · doi: 10.48550/arxiv.2601.14758 · pith_short_12: A2M6EF3ZWKUQ · pith_short_16: A2M6EF3ZWKUQFSEV · pith_short_8: A2M6EF3Z

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/A2M6EF3ZWKUQFSEVAUUFHSES2K \
  | 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: 0699e21779b2a902c895052853c892d29bd24713f6ead614e8b4b2039a6d208d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ad02ff691f7e418fdfb2e21840ed9f409bec2bfe8fceaae6beb39797d7c2134c",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.CL"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-01-21T08:26:51Z",
    "title_canon_sha256": "fd169fd9b0f37255df8a80a3b649e70b752113e76ec00ef4bf16b83c7c0e90f1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2601.14758",
    "kind": "arxiv",
    "version": 4
  }
}