Pith Number

pith:54ZM44WB

pith:2023:54ZM44WB2RZ5KEZFTJYLWTIZWA

not attested not anchored not stored refs pending

First-order optimization on stratified sets

Guillaume Olikier, Kyle A. Gallivan, P.-A. Absil

arxiv:2303.16040 v1 · 2023-03-28 · 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{54ZM44WB2RZ5KEZFTJYLWTIZWA}

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.

Cited by

1 paper in Pith

First-order methods on bounded-rank tensors converging to stationary points

Receipt and verification

First computed	2026-07-05T05:55:31.110522Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ef32ce72c1d473d513259a70bb4d19b01643d380c5da6c7eeebcd954b976e0f9

Aliases

arxiv: 2303.16040 · arxiv_version: 2303.16040v1 · doi: 10.48550/arxiv.2303.16040 · pith_short_12: 54ZM44WB2RZ5 · pith_short_16: 54ZM44WB2RZ5KEZF · pith_short_8: 54ZM44WB

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/54ZM44WB2RZ5KEZFTJYLWTIZWA \
  | 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: ef32ce72c1d473d513259a70bb4d19b01643d380c5da6c7eeebcd954b976e0f9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1918331107000a9f535723d194ff3344ce9d05f535e414893821e1716e7475d6",
    "cross_cats_sorted": [
      "cs.NA",
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2023-03-28T15:16:11Z",
    "title_canon_sha256": "c32a097a91b9259b0ffb849f693bc42ec0386d1a61e62398fe56a8cba2628d1c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2303.16040",
    "kind": "arxiv",
    "version": 1
  }
}