Pith Number

pith:ZUDAU5C5

pith:2019:ZUDAU5C5LHJJQDAICNO4U7DWWZ

not attested not anchored not stored refs pending

Distributed Stochastic Gradient Descent Using LDGM Codes

Manabu Kobayashi, Shunsuke Horii, Takahiro Yoshida, Toshiyasu Matsushima

arxiv:1901.04668 v1 · 2019-01-15 · cs.IT · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZUDAU5C5LHJJQDAICNO4U7DWWZ}

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	2026-05-17T23:56:22.127573Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cd060a745d59d2980c08135dca7c76b65259a0237e40e18804401fedd7962421

Aliases

arxiv: 1901.04668 · arxiv_version: 1901.04668v1 · doi: 10.48550/arxiv.1901.04668 · pith_short_12: ZUDAU5C5LHJJ · pith_short_16: ZUDAU5C5LHJJQDAI · pith_short_8: ZUDAU5C5

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/ZUDAU5C5LHJJQDAICNO4U7DWWZ \
  | 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: cd060a745d59d2980c08135dca7c76b65259a0237e40e18804401fedd7962421

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6675658f7d18064a265c409b5066f36d3ed39ee5cf5b771ead42133be2c417ee",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2019-01-15T05:18:39Z",
    "title_canon_sha256": "25b3657e43d06a6f914cc633152723326be55f27086bc6b1c3991a126d003bf9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.04668",
    "kind": "arxiv",
    "version": 1
  }
}