Pith Number

pith:J7ASFNNG

pith:2026:J7ASFNNGSGPW6M4IWJDCBYWZ6R

not attested not anchored not stored refs pending

SAE-FD: Sparse Autoencoder Feature Distillation for Continual Learning of Large Language Models

Dazhong Shen, Hui Xiong, Lujundong Li, Mingxu Zhang, Ying Sun, Yuhan Li

arxiv:2605.25525 v1 · 2026-05-25 · 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{J7ASFNNGSGPW6M4IWJDCBYWZ6R}

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	2026-05-26T02:04:40.996569Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4fc122b5a6919f6f3388b24620e2d9f477085b98170c9e090ce818b4250a464a

Aliases

arxiv: 2605.25525 · arxiv_version: 2605.25525v1 · doi: 10.48550/arxiv.2605.25525 · pith_short_12: J7ASFNNGSGPW · pith_short_16: J7ASFNNGSGPW6M4I · pith_short_8: J7ASFNNG

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/J7ASFNNGSGPW6M4IWJDCBYWZ6R \
  | 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: 4fc122b5a6919f6f3388b24620e2d9f477085b98170c9e090ce818b4250a464a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bc09989d0b07835eb483341efdb5356926c2a6edd7e10ffa98f02ffaad8d0ade",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-05-25T07:27:41Z",
    "title_canon_sha256": "918c573aa1fb3cf4ef99eec494e41e80c7a8e5c1fb6060939d19a8a51241b215"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.25525",
    "kind": "arxiv",
    "version": 1
  }
}