Pith Number

pith:UFUPQDYU

pith:2026:UFUPQDYUAKZLNDXCA2TBQZB242

not attested not anchored not stored refs pending

Learnability-Informed Fine-Tuning of Diffusion Language Models

Atharv Chagi, Dileep Kalathil, Jacob Helwig, James Caverlee, Lakshmi Jotsna, Shubham Parashar, Shuiwang Ji, Sushil Vemuri

arxiv:2605.22939 v1 · 2026-05-21 · cs.CL · 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{UFUPQDYUAKZLNDXCA2TBQZB242}

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	2026-05-25T02:01:31.424865Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a168f80f1402b2b68ee206a618643ae6b7f518c006b827158839a87ff265f947

Aliases

arxiv: 2605.22939 · arxiv_version: 2605.22939v1 · doi: 10.48550/arxiv.2605.22939 · pith_short_12: UFUPQDYUAKZL · pith_short_16: UFUPQDYUAKZLNDXC · pith_short_8: UFUPQDYU

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/UFUPQDYUAKZLNDXCA2TBQZB242 \
  | 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: a168f80f1402b2b68ee206a618643ae6b7f518c006b827158839a87ff265f947

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1a249c9210dceb257651a969b5d3ae786592cf31b5a59d8ee05347b9321fe2e4",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2026-05-21T18:16:17Z",
    "title_canon_sha256": "12ede4203506f08640c28f4448293e87680c1443e156440a0335b737d8b91009"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.22939",
    "kind": "arxiv",
    "version": 1
  }
}