Pith Number

pith:HZXPYYE2

pith:2026:HZXPYYE2BNL5LGAY57XBC6IFSA

not attested not anchored not stored refs pending

Branch2Skill: Efficient Skill Evolution Through Reasoning Trees

Baosheng Yu, Haotian Zhang, Jiaxing Huang, Jiayan Qiu, Likang Xiao, Liu Liu, Quan Chen, Yanwei Ren

arxiv:2608.08677 v1 · 2026-08-09 · 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{HZXPYYE2BNL5LGAY57XBC6IFSA}

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	2026-08-11T01:23:27.290011Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3e6efc609a0b57d59818efee117905902acd775ff42d24739d115510448ead69

Aliases

arxiv: 2608.08677 · arxiv_version: 2608.08677v1 · doi: 10.48550/arxiv.2608.08677 · pith_short_12: HZXPYYE2BNL5 · pith_short_16: HZXPYYE2BNL5LGAY · pith_short_8: HZXPYYE2

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/HZXPYYE2BNL5LGAY57XBC6IFSA \
  | 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: 3e6efc609a0b57d59818efee117905902acd775ff42d24739d115510448ead69

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "38184113fc29a3deb4ed6902b7b5deffc217b8e42f3030ddfd2cab9433d9ecaa",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2026-08-09T12:48:10Z",
    "title_canon_sha256": "5842f4938ed55185b302b6a731b2b35aad98966d80d611e4853d8b9c7ec8c571"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2608.08677",
    "kind": "arxiv",
    "version": 1
  }
}