Pith Number

pith:ZXPVOHXY

pith:2023:ZXPVOHXY6AFGAMD6Q2JQN4IXBA

not attested not anchored not stored refs pending

SparseProp: Efficient Sparse Backpropagation for Faster Training of Neural Networks

Dan Alistarh, Eldar Kurtic, Eugenia Iofinova, Mahdi Nikdan, Tommaso Pegolotti

arxiv:2302.04852 v1 · 2023-02-09 · 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{ZXPVOHXY6AFGAMD6Q2JQN4IXBA}

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	2026-07-05T05:40:19.158281Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cddf571ef8f00a60307e869306f1170821c335488a4a645fad1cb16940f77966

Aliases

arxiv: 2302.04852 · arxiv_version: 2302.04852v1 · doi: 10.48550/arxiv.2302.04852 · pith_short_12: ZXPVOHXY6AFG · pith_short_16: ZXPVOHXY6AFGAMD6 · pith_short_8: ZXPVOHXY

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/ZXPVOHXY6AFGAMD6Q2JQN4IXBA \
  | 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: cddf571ef8f00a60307e869306f1170821c335488a4a645fad1cb16940f77966

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "14b0590bbef2b2056640f5be7bd1b191936b769cfb967da6b282ae815e2dcf7c",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2023-02-09T18:54:05Z",
    "title_canon_sha256": "9b6bc70e30c219eb03b7bf060f078d58042228ebade0f789246e2dac404917a8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2302.04852",
    "kind": "arxiv",
    "version": 1
  }
}