Pith Number

pith:IKEURMWF

pith:2021:IKEURMWFYHDP3WVBB5IZNHYB4D

not attested not anchored not stored refs pending

VoxelHop: Successive Subspace Learning for ALS Disease Classification Using Structural MRI

C.-C. Jay Kuo, Chao Yang, Fangxu Xing, Georges El Fakhri, Jonghye Woo, Suma Babu, Thomas Jenkins, Xiaofeng Liu

arxiv:2101.05131 v1 · 2021-01-13 · eess.IV · cs.CV

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IKEURMWFYHDP3WVBB5IZNHYB4D}

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	2026-07-05T02:06:38.580231Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

428948b2c5c1c6fddaa10f51969f01e0ef095afc6547b7d0db4c4c45c519540b

Aliases

arxiv: 2101.05131 · arxiv_version: 2101.05131v1 · doi: 10.48550/arxiv.2101.05131 · pith_short_12: IKEURMWFYHDP · pith_short_16: IKEURMWFYHDP3WVB · pith_short_8: IKEURMWF

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/IKEURMWFYHDP3WVBB5IZNHYB4D \
  | 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: 428948b2c5c1c6fddaa10f51969f01e0ef095afc6547b7d0db4c4c45c519540b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7fb0bb654238f980016128c7d18e9797e72d08bac9438d87f15d6bffd05b756c",
    "cross_cats_sorted": [
      "cs.CV"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2021-01-13T15:25:57Z",
    "title_canon_sha256": "cf7f56921d9efcf96ca6de9ab149764ae17569e71ed2062e4825b7d4c69a0348"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2101.05131",
    "kind": "arxiv",
    "version": 1
  }
}