Pith Number

pith:X7AHNLGF

pith:2026:X7AHNLGFK26CYAHP3TDZV6QDWO

not attested not anchored not stored refs pending

DynaTrain: Fast Online Parallelism Switching for Elastic LLM Training

Boxun Li, Chunyang Zhu, Daning Cheng, Guohao Dai, Hao Lin, Junhao Hu, Quanlu Zhang, Yuanqing Wang, Yuchen Zhang, Yunquan Zhang, Yu Wang, Zhi Yang

arxiv:2605.18815 v1 · 2026-05-12 · cs.LG · cs.DC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{X7AHNLGFK26CYAHP3TDZV6QDWO}

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	2026-05-20T00:06:23.931674Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bfc076acc556bc2c00efdcc79afa03b3af0f5d6053e9a9a5a85c532b3fcf5785

Aliases

arxiv: 2605.18815 · arxiv_version: 2605.18815v1 · doi: 10.48550/arxiv.2605.18815 · pith_short_12: X7AHNLGFK26C · pith_short_16: X7AHNLGFK26CYAHP · pith_short_8: X7AHNLGF

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/X7AHNLGFK26CYAHP3TDZV6QDWO \
  | 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: bfc076acc556bc2c00efdcc79afa03b3af0f5d6053e9a9a5a85c532b3fcf5785

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d3afe6b2261929116dedb3868c7a839549fb802c3aafe484dc66caa66b2d279c",
    "cross_cats_sorted": [
      "cs.DC"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-05-12T09:51:28Z",
    "title_canon_sha256": "53ba9e034b366337c0e6fc4ae9c85c302024472c57d5d56d884f75fb0b165a01"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.18815",
    "kind": "arxiv",
    "version": 1
  }
}