Pith Number

pith:XFBTLFWC

pith:2026:XFBTLFWCQIVRAOIVUAH65BFY5V

not attested not anchored not stored refs pending

Reference Feature Atlases for Mechanistic Auditing of Language Models

Rui Wu, Tong Che

arxiv:2607.22570 v1 · 2026-06-01 · 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{XFBTLFWCQIVRAOIVUAH65BFY5V}

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	2026-07-28T00:21:42.820765Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b9433596c2822b103915a00fee84b8ed72f86a1860e41ae8c94e60014ae1ffac

Aliases

arxiv: 2607.22570 · arxiv_version: 2607.22570v1 · doi: 10.48550/arxiv.2607.22570 · pith_short_12: XFBTLFWCQIVR · pith_short_16: XFBTLFWCQIVRAOIV · pith_short_8: XFBTLFWC

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/XFBTLFWCQIVRAOIVUAH65BFY5V \
  | 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: b9433596c2822b103915a00fee84b8ed72f86a1860e41ae8c94e60014ae1ffac

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ba4baa49a20e71b62de7028df2e2077465068bd52f4574426f1cbe25e00b2b07",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2026-06-01T17:20:16Z",
    "title_canon_sha256": "f1f9fc55ca3992b8b661b364f98508d282f99cc5f3d318ddc0146eb464e30493"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.22570",
    "kind": "arxiv",
    "version": 1
  }
}