Pith Number

pith:GO43K6A5

pith:2021:GO43K6A5MHLNBUADUVZ3AKFBNI

not attested not anchored not stored refs pending

Varuna: Scalable, Low-cost Training of Massive Deep Learning Models

Muthian Sivathanu, Nipun Kwatra, Nitika Saran, Ramachandran Ramjee, Sanjith Athlur

arxiv:2111.04007 v2 · 2021-11-07 · cs.DC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GO43K6A5MHLNBUADUVZ3AKFBNI}

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	2026-07-05T03:31:32.237888Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

33b9b5781d61d6d0d003a573b028a16a34edfc01fff0c37e4df8bf623276f1f9

Aliases

arxiv: 2111.04007 · arxiv_version: 2111.04007v2 · doi: 10.48550/arxiv.2111.04007 · pith_short_12: GO43K6A5MHLN · pith_short_16: GO43K6A5MHLNBUAD · pith_short_8: GO43K6A5

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/GO43K6A5MHLNBUADUVZ3AKFBNI \
  | 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: 33b9b5781d61d6d0d003a573b028a16a34edfc01fff0c37e4df8bf623276f1f9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "50aef61e172885efe463dd355a10ae03764ce0098d53b6b65617151c225ca066",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DC",
    "submitted_at": "2021-11-07T05:33:48Z",
    "title_canon_sha256": "ca8dbc2362a585fc0c3bebb63bd5e936bf9ce9fc18f5869ad68d5a8e3dcd5569"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2111.04007",
    "kind": "arxiv",
    "version": 2
  }
}