Pith Number

pith:A7AQC5G5

pith:2026:A7AQC5G536EPDXXIOEECTZ2ZTZ

not attested not anchored not stored refs pending

Thinking vs. NoThinking: Towards Interpreting Reasoning Mechanisms of Large Language Models via Sparse Autoencoders

Bo Cheng, Qiaolin Lu, Yi Chang, Yuan Wu

arxiv:2608.08168 v1 · 2026-08-08 · cs.CL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{A7AQC5G536EPDXXIOEECTZ2ZTZ}

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	2026-08-11T01:21:52.407634Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

07c10174dddf88f1dee8710829e7599e575e77d960fc8707cee981705d5cedfa

Aliases

arxiv: 2608.08168 · arxiv_version: 2608.08168v1 · doi: 10.48550/arxiv.2608.08168 · pith_short_12: A7AQC5G536EP · pith_short_16: A7AQC5G536EPDXXI · pith_short_8: A7AQC5G5

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/A7AQC5G536EPDXXIOEECTZ2ZTZ \
  | 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: 07c10174dddf88f1dee8710829e7599e575e77d960fc8707cee981705d5cedfa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "304940e39b8ed9214bb8977ec3a90a4879d01e5cda6054ef6330fba9a2142369",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2026-08-08T14:54:13Z",
    "title_canon_sha256": "8a19f85310a73ae7a08a6a8395f9eaf40eda9eec801a7227a7be8f312a167d53"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2608.08168",
    "kind": "arxiv",
    "version": 1
  }
}