Pith Number

pith:YKA5F6FP

pith:2019:YKA5F6FPHEWXM466PNI32Z3SV5

not attested not anchored not stored refs pending

Acceleration of SVRG and Katyusha X by Inexact Preconditioning

Fei Feng, Wotao Yin, Yanli Liu

arxiv:1905.09734 v1 · 2019-05-23 · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YKA5F6FPHEWXM466PNI32Z3SV5}

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	2026-05-17T23:45:16.207470Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c281d2f8af392d7673de7b51bd6772af58af024ab540e47e2c4e323185d2197e

Aliases

arxiv: 1905.09734 · arxiv_version: 1905.09734v1 · doi: 10.48550/arxiv.1905.09734 · pith_short_12: YKA5F6FPHEWX · pith_short_16: YKA5F6FPHEWXM466 · pith_short_8: YKA5F6FP

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/YKA5F6FPHEWXM466PNI32Z3SV5 \
  | 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: c281d2f8af392d7673de7b51bd6772af58af024ab540e47e2c4e323185d2197e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c3725b09239da3c31fffa2f1082c3a8861fa6419311f2187b28043f6b5578318",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2019-05-23T15:50:53Z",
    "title_canon_sha256": "6124a940b5b17440bb61a7f42b15c5881a2a68c5d9cec7a93fa58a15f3c1cffd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.09734",
    "kind": "arxiv",
    "version": 1
  }
}