Pith Number

pith:PXX5CKPV

pith:2026:PXX5CKPVLTMDFBDCJVKMQRU33W

not attested not anchored not stored refs pending

Activation-Free Backbones for Image Recognition: Polynomial Alternatives within MetaFormer-Style Vision Models

Grigorios G. Chrysos, Jeffrey Wang, Jonathan Gregory

arxiv:2605.20839 v1 · 2026-05-20 · cs.CV · 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{PXX5CKPVLTMDFBDCJVKMQRU33W}

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	2026-05-21T01:05:24.030271Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7defd129f55cd83284624d54c8469bdd948ff31d6b35e82518be7d7b45b0d6fd

Aliases

arxiv: 2605.20839 · arxiv_version: 2605.20839v1 · doi: 10.48550/arxiv.2605.20839 · pith_short_12: PXX5CKPVLTMD · pith_short_16: PXX5CKPVLTMDFBDC · pith_short_8: PXX5CKPV

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/PXX5CKPVLTMDFBDCJVKMQRU33W \
  | 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: 7defd129f55cd83284624d54c8469bdd948ff31d6b35e82518be7d7b45b0d6fd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "83c3c790e6ecbe24437571a4034b7b957e6c3a19684f626efab6a37fb1adf095",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2026-05-20T07:29:28Z",
    "title_canon_sha256": "786a12b8e51a81fe099d4c8bb725337201d81f17ecd12ee25943bfa8469a297f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.20839",
    "kind": "arxiv",
    "version": 1
  }
}