Pith Number

pith:HTDI2FY7

pith:2026:HTDI2FY7TGIY4JUVGQOBQPCSCP

not attested not anchored not stored refs pending

SpanNorm: Reconciling Training Stability and Performance in Deep Transformers

Bei Li, Chao Wang, Jiaqi Zhang, Jingang Wang, Linkun Lyu, Peng Pei, Tong Xiao, Xin Chen, Xinyu Liu, Xunliang Cai, Yuchun Fan

arxiv:2601.22580 v2 · 2026-01-30 · cs.CL · cs.AI · 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{HTDI2FY7TGIY4JUVGQOBQPCSCP}

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	2026-06-05T01:15:19.555586Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3cc68d171f99918e2695341c183c5213d50f9aeb7244fbc0a865f971fad7dd10

Aliases

arxiv: 2601.22580 · arxiv_version: 2601.22580v2 · doi: 10.48550/arxiv.2601.22580 · pith_short_12: HTDI2FY7TGIY · pith_short_16: HTDI2FY7TGIY4JUV · pith_short_8: HTDI2FY7

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/HTDI2FY7TGIY4JUVGQOBQPCSCP \
  | 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: 3cc68d171f99918e2695341c183c5213d50f9aeb7244fbc0a865f971fad7dd10

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0166ef561633e6c530ab93cf86303531d193319f8f5d530af5fc8eccf394609a",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2026-01-30T05:21:57Z",
    "title_canon_sha256": "bb1cb96f374fafa4d11f48d916fac452a7f2bfd25ae4ebcb1a2722dd1055e08b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2601.22580",
    "kind": "arxiv",
    "version": 2
  }
}