pith. sign in
Pith Number

pith:TZ6WQVCB

pith:2019:TZ6WQVCBFTN4NKUPNOL6ZZUNY5
not attested not anchored not stored refs pending

Distributed Randomized Gradient-Free Mirror Descent Algorithm for Constrained Optimization

Daniel W. C. Ho, Deming Yuan, Zhan Yu

arxiv:1903.04157 v1 · 2019-03-11 · math.OC

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{TZ6WQVCBFTN4NKUPNOL6ZZUNY5}

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 2026-05-17T23:51:36.340501Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

9e7d6854412cdbc6aa8f6b97ece68dc770bc808044334d19e49ebdedf8c3dbfe

Aliases

arxiv: 1903.04157 · arxiv_version: 1903.04157v1 · doi: 10.48550/arxiv.1903.04157 · pith_short_12: TZ6WQVCBFTN4 · pith_short_16: TZ6WQVCBFTN4NKUP · pith_short_8: TZ6WQVCB
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/TZ6WQVCBFTN4NKUPNOL6ZZUNY5 \
  | 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: 9e7d6854412cdbc6aa8f6b97ece68dc770bc808044334d19e49ebdedf8c3dbfe
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "fd5a321e47b0b448f2d69bbf08902a699eff4a9b1fdd25987175edd872610dd6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2019-03-11T07:54:22Z",
    "title_canon_sha256": "ef199ec29926e8e34765d53b4ecb513c02a07491d829ceddaf6fa00f85d57cf4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.04157",
    "kind": "arxiv",
    "version": 1
  }
}