Pith Number

pith:XCA5YAIR

pith:2021:XCA5YAIRCCAD7OR4TKQM7K2TE7

not attested not anchored not stored refs pending

An optimal gradient method for smooth strongly convex minimization

Adrien Taylor, Yoel Drori

arxiv:2101.09741 v3 · 2021-01-24 · math.OC · cs.NA · math.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{XCA5YAIRCCAD7OR4TKQM7K2TE7}

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	2026-07-05T04:31:20.450273Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b881dc011110803fba3c9aa0cfab5327cbb4df720266f0e1140be88b428abb66

Aliases

arxiv: 2101.09741 · arxiv_version: 2101.09741v3 · doi: 10.48550/arxiv.2101.09741 · pith_short_12: XCA5YAIRCCAD · pith_short_16: XCA5YAIRCCAD7OR4 · pith_short_8: XCA5YAIR

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/XCA5YAIRCCAD7OR4TKQM7K2TE7 \
  | 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: b881dc011110803fba3c9aa0cfab5327cbb4df720266f0e1140be88b428abb66

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "05e35c023bc01c2e6bf7ac48b7f4e6de7e1a1f03774216139f222ed5f820fd26",
    "cross_cats_sorted": [
      "cs.NA",
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2021-01-24T16:20:56Z",
    "title_canon_sha256": "9c6c6d0e8d4885f0d67f0d2a0293938809b483ba7f0fd64b656aecbbed2b891b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2101.09741",
    "kind": "arxiv",
    "version": 3
  }
}