Pith Number

pith:ZEHD5TIY

pith:2025:ZEHD5TIYNSL5LZPR4NULTSNMYX

not attested not anchored not stored refs pending

AdaptiveK: Complexity-Driven Sparse Autoencoders for Interpretable Language Model Representations

Hanrong Zhang, Mengnan Du, Yifei Yao

arxiv:2508.17320 v3 · 2025-08-24 · 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{ZEHD5TIYNSL5LZPR4NULTSNMYX}

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	2026-06-02T02:04:08.204187Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c90e3ecd186c97d5e5f1e368b9c9acc5c6fee3627f08260657ab6541a6429608

Aliases

arxiv: 2508.17320 · arxiv_version: 2508.17320v3 · doi: 10.48550/arxiv.2508.17320 · pith_short_12: ZEHD5TIYNSL5 · pith_short_16: ZEHD5TIYNSL5LZPR · pith_short_8: ZEHD5TIY

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/ZEHD5TIYNSL5LZPR4NULTSNMYX \
  | 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: c90e3ecd186c97d5e5f1e368b9c9acc5c6fee3627f08260657ab6541a6429608

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dc81d1e526b59d4da601accf66c5e35c66230d0d14a49d430f6176cb79e22b6b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2025-08-24T12:00:41Z",
    "title_canon_sha256": "5bddfd990530e87d1cc431fb1a84e0263c11fe9c815903df307ecbd11cd6ec7c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2508.17320",
    "kind": "arxiv",
    "version": 3
  }
}