Pith Number

pith:OTK53WRS

pith:2025:OTK53WRS5WWGEKM6G3PHYVUUWF

not attested not anchored not stored refs pending

Scalable Model Merging with Progressive Layer-wise Distillation

Jiazheng Li, Jing Xu, Jingzhao Zhang

arxiv:2502.12706 v2 · 2025-02-18 · 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{OTK53WRS5WWGEKM6G3PHYVUUWF}

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	2026-07-05T11:10:05.111651Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

74d5ddda32edac62299e36de7c5694b179c3a3b3188ed232ad4f8aa3d1c64ed0

Aliases

arxiv: 2502.12706 · arxiv_version: 2502.12706v2 · doi: 10.48550/arxiv.2502.12706 · pith_short_12: OTK53WRS5WWG · pith_short_16: OTK53WRS5WWGEKM6 · pith_short_8: OTK53WRS

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/OTK53WRS5WWGEKM6G3PHYVUUWF \
  | 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: 74d5ddda32edac62299e36de7c5694b179c3a3b3188ed232ad4f8aa3d1c64ed0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fcc8bef8ac70d33c51a810af6944813ed53cb88cc1e6a1d1f49593271c6b8205",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2025-02-18T10:15:18Z",
    "title_canon_sha256": "e0e150dd6c04d55dd555c5b07f750745c6b0e6b46e315803cadc39108ec07b8f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.12706",
    "kind": "arxiv",
    "version": 2
  }
}