Pith Number

pith:XHM2JMJV

pith:2026:XHM2JMJV2LSCW6QNEPIWZOI3AM

not attested not anchored not stored refs pending

NebulaExp-8B: An Empirical Post-Training Pipeline via Full-Scale Ablation Research

Chen Zhong, Muqing Li, Qiaobo Hao, Shunyi Wang, Yangqian Wu, Yayin He, Zhongjian Zhang, Ziqun Li

arxiv:2606.26671 v1 · 2026-06-25 · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XHM2JMJV2LSCW6QNEPIWZOI3AM}

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	2026-06-26T01:15:56.415856Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b9d9a4b135d2e42b7a0d23d16cb91b031885cbae0b9d457a06e9a7b0c3fd644c

Aliases

arxiv: 2606.26671 · arxiv_version: 2606.26671v1 · doi: 10.48550/arxiv.2606.26671 · pith_short_12: XHM2JMJV2LSC · pith_short_16: XHM2JMJV2LSCW6QN · pith_short_8: XHM2JMJV

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/XHM2JMJV2LSCW6QNEPIWZOI3AM \
  | 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: b9d9a4b135d2e42b7a0d23d16cb91b031885cbae0b9d457a06e9a7b0c3fd644c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "55b0cd5c5077215855983757b04553af594a369d11ab7639b7d18ce1eff7f947",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2026-06-25T07:03:25Z",
    "title_canon_sha256": "b03487ae9e9c53944087e67c6d2b595d357d40d33423b42a6bf00d96d36fcccf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.26671",
    "kind": "arxiv",
    "version": 1
  }
}