Pith Number

pith:UWXIZ5QH

pith:2015:UWXIZ5QHUPQZENGMOOCQTOS2O2

not attested not anchored not stored refs pending

Asynchronous Parallel Stochastic Gradient Descent - A Numeric Core for Scalable Distributed Machine Learning Algorithms

Franz-Josef Pfreundt, Janis Keuper

arxiv:1505.04956 v5 · 2015-05-19 · 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{UWXIZ5QHUPQZENGMOOCQTOS2O2}

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	2026-05-18T01:31:10.950182Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a5ae8cf607a3e19234cc738509ba5a76bb1642a0131c0cbc1bd06815ee967525

Aliases

arxiv: 1505.04956 · arxiv_version: 1505.04956v5 · doi: 10.48550/arxiv.1505.04956 · pith_short_12: UWXIZ5QHUPQZ · pith_short_16: UWXIZ5QHUPQZENGM · pith_short_8: UWXIZ5QH

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/UWXIZ5QHUPQZENGMOOCQTOS2O2 \
  | 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: a5ae8cf607a3e19234cc738509ba5a76bb1642a0131c0cbc1bd06815ee967525

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ae0f28a560a27d61cc5e282acd284176b3749455d4e5d88c7987a0a52c975aa0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DC",
    "submitted_at": "2015-05-19T11:20:46Z",
    "title_canon_sha256": "648c506706065a32d71bac5241c54a2c1fb24e5f54b06cc0b9149bc10d926958"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.04956",
    "kind": "arxiv",
    "version": 5
  }
}