Pith Number

pith:V5JOBVWF

pith:2026:V5JOBVWFILZLMJDB3GSKBZWMPJ

not attested not anchored not stored refs pending

EvoThink: Evolving Thinking in Large Reasoning Models via Self-Pruning and Aha-Moment Preference Optimization

Guilin Qi, Guohui Xiao, Huikang Hu, Kuicai Dong, Lin Ren, Rihui Jin, Xinbang Dai, Yuyang Zhang, Zhaocheng Du, Zheyu Xin

arxiv:2607.19962 v1 · 2026-07-22 · 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{V5JOBVWFILZLMJDB3GSKBZWMPJ}

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	2026-07-23T01:24:52.343236Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

af52e0d6c542f2b62461d9a4a0e6cc7a61e2c99113189c4139a3a8e86bebac04

Aliases

arxiv: 2607.19962 · arxiv_version: 2607.19962v1 · doi: 10.48550/arxiv.2607.19962 · pith_short_12: V5JOBVWFILZL · pith_short_16: V5JOBVWFILZLMJDB · pith_short_8: V5JOBVWF

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/V5JOBVWFILZLMJDB3GSKBZWMPJ \
  | 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: af52e0d6c542f2b62461d9a4a0e6cc7a61e2c99113189c4139a3a8e86bebac04

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "32b96350157f3bd340f3afff52f4cb8a308427bc00924934f937703c4565efcb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2026-07-22T09:40:22Z",
    "title_canon_sha256": "d0b8fb9d86963362b75aa46a73dc9233bc2dec536cd443c63ba3eb3b64d79e35"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.19962",
    "kind": "arxiv",
    "version": 1
  }
}