Pith Number

pith:6GV57CCJ

pith:2017:6GV57CCJ7WDHSY7PUDGHCCKXD5

not attested not anchored not stored refs pending

Saving Gradient and Negative Curvature Computations: Finding Local Minima More Efficiently

Difan Zou, Quanquan Gu, Yaodong Yu

arxiv:1712.03950 v1 · 2017-12-11 · cs.LG · 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{6GV57CCJ7WDHSY7PUDGHCCKXD5}

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	2026-05-18T00:28:19.456343Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f1abdf8849fd867963efa0cc7109571f78f8b8109ef9ffadb29e8e355ca69134

Aliases

arxiv: 1712.03950 · arxiv_version: 1712.03950v1 · doi: 10.48550/arxiv.1712.03950 · pith_short_12: 6GV57CCJ7WDH · pith_short_16: 6GV57CCJ7WDHSY7P · pith_short_8: 6GV57CCJ

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/6GV57CCJ7WDHSY7PUDGHCCKXD5 \
  | 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: f1abdf8849fd867963efa0cc7109571f78f8b8109ef9ffadb29e8e355ca69134

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "610909c25a91e1ea6793bf57c464cf5e34a8212458f912096700e77a18db3691",
    "cross_cats_sorted": [
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2017-12-11T18:59:09Z",
    "title_canon_sha256": "a3231deed886b6f5e8b0f5fc9120d2fa1e45377231cd28084302d96e29ca1df3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.03950",
    "kind": "arxiv",
    "version": 1
  }
}