Pith Number

pith:FNUFVVQN

pith:2026:FNUFVVQNVVYNKPNJRII2RXFUPK

not attested not anchored not stored refs pending

Event-Grounded Sparse Autoencoders for Vision-Language-Action Policies

Aditya Chatterjee, Pranav Kumar, Rohan Paleja, Xinchen Jin

arxiv:2605.17204 v1 · 2026-05-17 · cs.RO · 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{FNUFVVQNVVYNKPNJRII2RXFUPK}

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	2026-05-20T00:03:45.014574Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2b685ad60dad70d53da98a11a8dcb47a83a52c00f50eaa0a87a72d7ca33c1d34

Aliases

arxiv: 2605.17204 · arxiv_version: 2605.17204v1 · doi: 10.48550/arxiv.2605.17204 · pith_short_12: FNUFVVQNVVYN · pith_short_16: FNUFVVQNVVYNKPNJ · pith_short_8: FNUFVVQN

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/FNUFVVQNVVYNKPNJRII2RXFUPK \
  | 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: 2b685ad60dad70d53da98a11a8dcb47a83a52c00f50eaa0a87a72d7ca33c1d34

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cd082e026d5936a3df24f78354348a2beda7348333d670de2005c954eeb2a8ab",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.RO",
    "submitted_at": "2026-05-17T00:20:17Z",
    "title_canon_sha256": "8968457de2afd1e9b4f6bc58cc0798edb61a06481b5af52f3a789c26b7dad2a6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.17204",
    "kind": "arxiv",
    "version": 1
  }
}