Pith Number

pith:OKKUGJRG

pith:2021:OKKUGJRG34UZFUSHENKF5C3CEX

not attested not anchored not stored refs pending

Pixelated Butterfly: Simple and Efficient Sparse training for Neural Network Models

Atri Rudra, Beidi Chen, Christopher R\'e, Jiaming Yang, Kaizhao Liang, Tri Dao, Zhao Song

arxiv:2112.00029 v2 · 2021-11-30 · 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{OKKUGJRG34UZFUSHENKF5C3CEX}

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	2026-07-05T04:22:18.385617Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7295432626df2992d24723545e8b6225ecc9b35319576ee71a284d5d99087b52

Aliases

arxiv: 2112.00029 · arxiv_version: 2112.00029v2 · doi: 10.48550/arxiv.2112.00029 · pith_short_12: OKKUGJRG34UZ · pith_short_16: OKKUGJRG34UZFUSH · pith_short_8: OKKUGJRG

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/OKKUGJRG34UZFUSHENKF5C3CEX \
  | 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: 7295432626df2992d24723545e8b6225ecc9b35319576ee71a284d5d99087b52

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "84f731bfe60bce6093d993da60e7ca6f37a9b8a1e954acc40042bdaf2e486945",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2021-11-30T19:00:03Z",
    "title_canon_sha256": "a4d455ba15156a31a20e7e5caf34e6abcea36b3bef9792706ceab2348b4973b4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2112.00029",
    "kind": "arxiv",
    "version": 2
  }
}