Pith Number

pith:3UPAFA6O

pith:2026:3UPAFA6OACDJEHJTSWFBL5DP5U

not attested not anchored not stored refs pending

PolySAE: Modeling Feature Interactions in Sparse Autoencoders via Polynomial Decoding

Andreas D. Demou, James Oldfield, Mihalis Nicolaou, Panagiotis Koromilas, Yannis Panagakis

arxiv:2602.01322 v2 · 2026-02-01 · cs.LG · 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{3UPAFA6OACDJEHJTSWFBL5DP5U}

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.

Cited by

5 papers in Pith

WriteSAE: Sparse Autoencoders for Recurrent State

fmxcoders: Factorized Masked Crosscoders for Cross-Layer Feature Discovery

Receipt and verification

First computed	2026-05-26T02:05:06.301806Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dd1e0283ce0086921d33958a15f46fed2c7a3b7b33a1dcdf41621feace204e4c

Aliases

arxiv: 2602.01322 · arxiv_version: 2602.01322v2 · doi: 10.48550/arxiv.2602.01322 · pith_short_12: 3UPAFA6OACDJ · pith_short_16: 3UPAFA6OACDJEHJT · pith_short_8: 3UPAFA6O

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/3UPAFA6OACDJEHJTSWFBL5DP5U \
  | 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: dd1e0283ce0086921d33958a15f46fed2c7a3b7b33a1dcdf41621feace204e4c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6dc258b3d5d0b0c184b1befca72779a9038c669056d83b7838e5bae7e296df9e",
    "cross_cats_sorted": [
      "cs.CL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-02-01T16:34:45Z",
    "title_canon_sha256": "797dc5f215e81e3a56dd9088af8a91cd6ab24c6fd5c0c8ed02a3b8ad07f2c48f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2602.01322",
    "kind": "arxiv",
    "version": 2
  }
}