Pith Number

pith:QU3WTDP3

pith:2018:QU3WTDP3IKMIVO2NCTW6BYF4RA

not attested not anchored not stored refs pending

Finding Local Minima via Stochastic Nested Variance Reduction

Dongruo Zhou, Pan Xu, Quanquan Gu

arxiv:1806.08782 v1 · 2018-06-22 · cs.LG · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QU3WTDP3IKMIVO2NCTW6BYF4RA}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T00:12:36.145813Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8537698dfb42988abb4d14ede0e0bc881bdec3ade6957e546a1a3b816aa4f703

Aliases

arxiv: 1806.08782 · arxiv_version: 1806.08782v1 · doi: 10.48550/arxiv.1806.08782 · pith_short_12: QU3WTDP3IKMI · pith_short_16: QU3WTDP3IKMIVO2N · pith_short_8: QU3WTDP3

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/QU3WTDP3IKMIVO2NCTW6BYF4RA \
  | 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: 8537698dfb42988abb4d14ede0e0bc881bdec3ade6957e546a1a3b816aa4f703

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "121226982afe35489d0365c1d1a316c44ef2c7258f2308cb1e35bbd565ae9c1a",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2018-06-22T17:59:14Z",
    "title_canon_sha256": "b555864480dd4ba8a5be5d0d86efbd941ee103d2a21c61e0bca66bb6ee30d946"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.08782",
    "kind": "arxiv",
    "version": 1
  }
}