Pith Number

pith:GTZ44TTJ

pith:2026:GTZ44TTJLW3M2YULGA3MBFXOOM

not attested not anchored not stored refs pending

Are Sparse Autoencoder Benchmarks Reliable?

David Chanin

arxiv:2605.18229 v1 · 2026-05-18 · cs.LG · 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{GTZ44TTJLW3M2YULGA3MBFXOOM}

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	2026-05-20T00:05:51.460020Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

34f3ce4e695db6cd628b3036c096ee730f9654436054cf37345194c0d9e8f057

Aliases

arxiv: 2605.18229 · arxiv_version: 2605.18229v1 · doi: 10.48550/arxiv.2605.18229 · pith_short_12: GTZ44TTJLW3M · pith_short_16: GTZ44TTJLW3M2YUL · pith_short_8: GTZ44TTJ

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/GTZ44TTJLW3M2YULGA3MBFXOOM \
  | 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: 34f3ce4e695db6cd628b3036c096ee730f9654436054cf37345194c0d9e8f057

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "82bd1ecc62b69cf4b87140bdf005e06b458549039bf2966b9e4953efc9b33709",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-05-18T11:20:57Z",
    "title_canon_sha256": "f3033cd9c6ce8b124b5a5289c0059d9d7579f3995274d3a9682ecbe0b24ced23"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.18229",
    "kind": "arxiv",
    "version": 1
  }
}