Pith Number

pith:Q5Y3OWII

pith:2021:Q5Y3OWIITHGP4GIORYCLJNQDXM

not attested not anchored not stored refs pending

Toward Communication Efficient Adaptive Gradient Method

Ping Li, Xiangyi Chen, Xiaoyun Li

arxiv:2109.05109 v1 · 2021-09-10 · cs.LG · cs.DC · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Q5Y3OWIITHGP4GIORYCLJNQDXM}

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	2026-07-05T03:13:34.539855Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8771b7590899ccfe190e8e04b4b603bb008d7fe7d2388469a895db12b51ceb5a

Aliases

arxiv: 2109.05109 · arxiv_version: 2109.05109v1 · doi: 10.48550/arxiv.2109.05109 · pith_short_12: Q5Y3OWIITHGP · pith_short_16: Q5Y3OWIITHGP4GIO · pith_short_8: Q5Y3OWII

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/Q5Y3OWIITHGP4GIORYCLJNQDXM \
  | 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: 8771b7590899ccfe190e8e04b4b603bb008d7fe7d2388469a895db12b51ceb5a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3994182978acf8f7619273811153231678b405bf762c20dfe0763bc20bd6c1a7",
    "cross_cats_sorted": [
      "cs.DC",
      "stat.ML"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2021-09-10T21:14:36Z",
    "title_canon_sha256": "46565592dfac4f74288a69779930f0bcac379284a5e00c6d0ba1c88b43a04cfd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.05109",
    "kind": "arxiv",
    "version": 1
  }
}