Pith Number

pith:4G2ZJFDG

pith:2025:4G2ZJFDGWQUK6S77IPWJMG7D2X

not attested not anchored not stored refs pending

Parameter-Efficient Checkpoint Merging via Metrics-Weighted Averaging

Sehyun Choi, Shi Jie Yu

arxiv:2504.18580 v1 · 2025-04-23 · 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{4G2ZJFDGWQUK6S77IPWJMG7D2X}

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	2026-07-05T10:54:17.467210Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e1b5949466b428af4bff43ec961be3d5f142f7ca5581b7ed2b86b2704811a285

Aliases

arxiv: 2504.18580 · arxiv_version: 2504.18580v1 · doi: 10.48550/arxiv.2504.18580 · pith_short_12: 4G2ZJFDGWQUK · pith_short_16: 4G2ZJFDGWQUK6S77 · pith_short_8: 4G2ZJFDG

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/4G2ZJFDGWQUK6S77IPWJMG7D2X \
  | 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: e1b5949466b428af4bff43ec961be3d5f142f7ca5581b7ed2b86b2704811a285

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b222d72feb6be02c74b735f4fb44b1b360b4ca07255e132a59b0563a54a54566",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2025-04-23T05:11:21Z",
    "title_canon_sha256": "630723b981950e106cafb978efb78114c0d92efd8027a9ef8834fd1215804abd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.18580",
    "kind": "arxiv",
    "version": 1
  }
}