Pith Number

pith:HNVV6UHH

pith:2021:HNVV6UHHBPDG2TKPKLB4J4SIOF

not attested not anchored not stored refs pending

ScaleCom: Scalable Sparsified Gradient Compression for Communication-Efficient Distributed Training

Chia-Yu Chen, Jiamin Ni, Kailash Gopalakrishnan, Naigang Wang, Pin-Yu Chen, Songtao Lu, Swagath Venkataramani, Vijayalakshmi Srinivasan, Wei Zhang, Xiaodong Cui, Xiao Sun

arxiv:2104.11125 v1 · 2021-04-21 · 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{HNVV6UHHBPDG2TKPKLB4J4SIOF}

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	2026-07-05T02:34:17.897179Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3b6b5f50e70bc66d4d4f52c3c4f248716c6799a78912fd9f6facbce985a2d84e

Aliases

arxiv: 2104.11125 · arxiv_version: 2104.11125v1 · doi: 10.48550/arxiv.2104.11125 · pith_short_12: HNVV6UHHBPDG · pith_short_16: HNVV6UHHBPDG2TKP · pith_short_8: HNVV6UHH

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/HNVV6UHHBPDG2TKPKLB4J4SIOF \
  | 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: 3b6b5f50e70bc66d4d4f52c3c4f248716c6799a78912fd9f6facbce985a2d84e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a3d248ca6cfe8a41ed3c023614c5b5a43818bbc19c83fe387cb77d3037251b00",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2021-04-21T02:22:10Z",
    "title_canon_sha256": "d4c9bdb0bbab57046bbf91a756a9708d7a563bc643a3ee0ff7efa9622ac6eb16"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.11125",
    "kind": "arxiv",
    "version": 1
  }
}