Pith Number

pith:64J3OPNB

pith:2024:64J3OPNBEVFDOPZQI3SYYJNCD3

not attested not anchored not stored refs pending

Quantifying Feature Space Universality Across Large Language Models via Sparse Autoencoders

Ashkan Khakzar, Austin Meek, David Krueger, Fazl Barez, Michael Lan, Philip Torr

arxiv:2410.06981 v4 · 2024-10-09 · cs.LG · cs.AI · cs.CL

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Add to your LaTeX paper

\usepackage{pith}
\pithnumber{64J3OPNBEVFDOPZQI3SYYJNCD3}

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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.

Cited by

10 papers in Pith

Polymorphism Is Rotation: Operational Mechanistic Interpretability from a Two-Layer Transformer to Pythia-70m

Structure Retention in Embedding Spaces as a Predictor of Benchmark Performance

WriteSAE: Sparse Autoencoders for Recurrent State

Receipt and verification

First computed	2026-07-05T11:06:23.949039Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f713b73da1254a373f3046e58c25a21ec2b5f43538195b51ed49d64d750eebdd

Aliases

arxiv: 2410.06981 · arxiv_version: 2410.06981v4 · doi: 10.48550/arxiv.2410.06981 · pith_short_12: 64J3OPNBEVFD · pith_short_16: 64J3OPNBEVFDOPZQ · pith_short_8: 64J3OPNB

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/64J3OPNBEVFDOPZQI3SYYJNCD3 \
  | 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: f713b73da1254a373f3046e58c25a21ec2b5f43538195b51ed49d64d750eebdd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9d0611d37345f59dfa2d6c0e30a8afc0c6319d1536082559606171ec020f23bf",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.CL"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2024-10-09T15:18:57Z",
    "title_canon_sha256": "84f40a433b8c4e6a3a517e38d82a38d6fff5fc345c939ae8ca82de7081eee474"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2410.06981",
    "kind": "arxiv",
    "version": 4
  }
}