Pith Number

pith:PED4HALK

pith:2025:PED4HALKVGQ5D6S5STMRAPBTTU

not attested not anchored not stored refs pending

PacTrain: Pruning and Adaptive Sparse Gradient Compression for Efficient Collective Communication in Distributed Deep Learning

Dirk Kutscher, Ruilong Wu, Xinjiao Li, Yisu Wang

arxiv:2505.18563 v1 · 2025-05-24 · cs.DC · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PED4HALKVGQ5D6S5STMRAPBTTU}

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	2026-07-05T11:08:48.436286Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7907c3816aa9a1d1fa5d94d9103c339d2adae1a7c7c0b30459e8eb286c2f01ec

Aliases

arxiv: 2505.18563 · arxiv_version: 2505.18563v1 · doi: 10.48550/arxiv.2505.18563 · pith_short_12: PED4HALKVGQ5 · pith_short_16: PED4HALKVGQ5D6S5 · pith_short_8: PED4HALK

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/PED4HALKVGQ5D6S5STMRAPBTTU \
  | 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: 7907c3816aa9a1d1fa5d94d9103c339d2adae1a7c7c0b30459e8eb286c2f01ec

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "23535217ced9273b7893f40be3b2b3d41921cdb5e32613e3406c222796963488",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.DC",
    "submitted_at": "2025-05-24T07:06:36Z",
    "title_canon_sha256": "60b03b670fcfdf07aec78bd87ce4ded03049433ca0a50686c417a948694228a7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.18563",
    "kind": "arxiv",
    "version": 1
  }
}