Pith Number

pith:JFXYGTEM

pith:2026:JFXYGTEMLF6LAQIEBOE4B36MW4

not attested not anchored not stored refs pending

Turn-Averaged SAEs for Feature Discovery and Long-Context Attribution

Ben Thompson, Harish Kamath, Kevin Der

arxiv:2606.28548 v1 · 2026-06-26 · cs.CL · 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{JFXYGTEMLF6LAQIEBOE4B36MW4}

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	2026-06-30T00:15:17.650179Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

496f834c8c597cb041040b89c0efccb70432fa3ad50bdffd7f2130c612b6e03d

Aliases

arxiv: 2606.28548 · arxiv_version: 2606.28548v1 · doi: 10.48550/arxiv.2606.28548 · pith_short_12: JFXYGTEMLF6L · pith_short_16: JFXYGTEMLF6LAQIE · pith_short_8: JFXYGTEM

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/JFXYGTEMLF6LAQIEBOE4B36MW4 \
  | 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: 496f834c8c597cb041040b89c0efccb70432fa3ad50bdffd7f2130c612b6e03d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a0b926d45445d86eca04dd69c626362fbef14b81f681a27e6a51826ec79fce04",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2026-06-26T19:07:34Z",
    "title_canon_sha256": "a830b59d1591ce4911f14e35b8da07fc94e7a7c0180b1b7f2429e0c1a373424d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.28548",
    "kind": "arxiv",
    "version": 1
  }
}