Pith Number

pith:TL3DHZCV

pith:2025:TL3DHZCVKF73UUNXFGK4654YX3

not attested not anchored not stored refs pending

Optimization-Free Diffusion Model -- A Perturbation Theory Approach

Mathias Oster, Yifan Peng, YueHaw Khoo

arxiv:2505.23652 v2 · 2025-05-29 · math.NA · cs.LG · cs.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TL3DHZCVKF73UUNXFGK4654YX3}

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	2026-07-05T11:21:47.512919Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9af633e455517fba51b72995cf7798bece59fe0e6dd1895aef69fea0a41faf53

Aliases

arxiv: 2505.23652 · arxiv_version: 2505.23652v2 · doi: 10.48550/arxiv.2505.23652 · pith_short_12: TL3DHZCVKF73 · pith_short_16: TL3DHZCVKF73UUNX · pith_short_8: TL3DHZCV

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/TL3DHZCVKF73UUNXFGK4654YX3 \
  | 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: 9af633e455517fba51b72995cf7798bece59fe0e6dd1895aef69fea0a41faf53

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ffdb671da2fa937cbc4f72fd0de855010871383de1464268e3e40e45b88558d9",
    "cross_cats_sorted": [
      "cs.LG",
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2025-05-29T17:02:26Z",
    "title_canon_sha256": "fd5ffd7f08d44b5cdbfb1c95d79fd8988f7afd7e1789d6d6b52fae2f2d41936c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.23652",
    "kind": "arxiv",
    "version": 2
  }
}