Pith Number

pith:RISKTKIQ

pith:2019:RISKTKIQNCFDU6GNPQIK4IPEP4

not attested not anchored not stored refs pending

A Unified Contraction Analysis of a Class of Distributed Algorithms for Composite Optimization

Gesualdo Scutari, Jinming Xu, Ye Tian, Ying Sun

arxiv:1910.09817 v1 · 2019-10-22 · 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{RISKTKIQNCFDU6GNPQIK4IPEP4}

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	2026-07-05T00:14:02.706581Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8a24a9a910688a3a78cd7c10ae21e47f175591b6aa56f62d3f852d1f7c0b4f1c

Aliases

arxiv: 1910.09817 · arxiv_version: 1910.09817v1 · doi: 10.48550/arxiv.1910.09817 · pith_short_12: RISKTKIQNCFD · pith_short_16: RISKTKIQNCFDU6GN · pith_short_8: RISKTKIQ

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/RISKTKIQNCFDU6GNPQIK4IPEP4 \
  | 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: 8a24a9a910688a3a78cd7c10ae21e47f175591b6aa56f62d3f852d1f7c0b4f1c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b1e98f69ef90fc9d87ca22d32c9c8324d793ccb11119d42fab4db530e88c061a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2019-10-22T08:13:19Z",
    "title_canon_sha256": "ebc5261c0210f392b66f75ee555261042eb777ace049b441e28ca4d75a0af38a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1910.09817",
    "kind": "arxiv",
    "version": 1
  }
}