Pith Number

pith:QI2YB47G

pith:2020:QI2YB47GJ7P37K2ZRRZ2TNNG32

not attested not anchored not stored refs pending

SSGD: A safe and efficient method of gradient descent

Jinhuan Duan, Jinyan Wang, Shiqi Gao, Xianxian Li, Zili Zhong

arxiv:2012.02076 v2 · 2020-12-03 · cs.LG · cs.AI · cs.CR · cs.CV · 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{QI2YB47GJ7P37K2ZRRZ2TNNG32}

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	2026-07-05T02:34:44.159091Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

823580f3e64fdfbfab598c73a9b5a6de8c6bb5a6df7b9f86202ecbb7a346306c

Aliases

arxiv: 2012.02076 · arxiv_version: 2012.02076v2 · doi: 10.48550/arxiv.2012.02076 · pith_short_12: QI2YB47GJ7P3 · pith_short_16: QI2YB47GJ7P37K2Z · pith_short_8: QI2YB47G

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/QI2YB47GJ7P37K2ZRRZ2TNNG32 \
  | 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: 823580f3e64fdfbfab598c73a9b5a6de8c6bb5a6df7b9f86202ecbb7a346306c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0393a7ab803fcf068531c6ef101329c0c3affd09ad7eff92b4e01afa0a719819",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.CR",
      "cs.CV",
      "cs.DC"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2020-12-03T17:09:20Z",
    "title_canon_sha256": "c27fa996ea6412fe1d63b4c25ddc9edb859508880d3ef8afe24ef48a28c2d61d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2012.02076",
    "kind": "arxiv",
    "version": 2
  }
}