Pith Number

pith:EDRYUCHU

pith:2016:EDRYUCHUFAJBMX4XJZEWQJKXJJ

not attested not anchored not stored refs pending

Batched Stochastic Gradient Descent with Weighted Sampling

Deanna Needell, Rachel Ward

arxiv:1608.07641 v2 · 2016-08-27 · math.NA · cs.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EDRYUCHUFAJBMX4XJZEWQJKXJJ}

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	2026-05-18T00:49:46.853879Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

20e38a08f42812165f974e496825574a6db90ceae97e014992adba1beb771104

Aliases

arxiv: 1608.07641 · arxiv_version: 1608.07641v2 · doi: 10.48550/arxiv.1608.07641 · pith_short_12: EDRYUCHUFAJB · pith_short_16: EDRYUCHUFAJBMX4X · pith_short_8: EDRYUCHU

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/EDRYUCHUFAJBMX4XJZEWQJKXJJ \
  | 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: 20e38a08f42812165f974e496825574a6db90ceae97e014992adba1beb771104

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c61df2e4054c66ac7e8142a21a52f6e89548156bd16ea0743e9bc57d73db6ec5",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2016-08-27T00:51:16Z",
    "title_canon_sha256": "aff364829df5d3e600a28c0e64f60b278e081c3646814fce53441b89b3b4f6f3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.07641",
    "kind": "arxiv",
    "version": 2
  }
}