Pith Number

pith:XCC32J2W

pith:2019:XCC32J2WKF4TVWBPVNM42W4WPS

not attested not anchored not stored refs pending

Exact Spectral-Like Gradient Method for Distributed Optimization

Dusan Jakovetic, Natasa Krejic, Natasa Krklec Jerinkic

arxiv:1901.05682 v1 · 2019-01-17 · 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{XCC32J2WKF4TVWBPVNM42W4WPS}

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	2026-05-17T23:56:06.432778Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b885bd275651793ad82fab59cd5b967ca6d251947385a194af18a8b431b6f367

Aliases

arxiv: 1901.05682 · arxiv_version: 1901.05682v1 · doi: 10.48550/arxiv.1901.05682 · pith_short_12: XCC32J2WKF4T · pith_short_16: XCC32J2WKF4TVWBP · pith_short_8: XCC32J2W

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/XCC32J2WKF4TVWBPVNM42W4WPS \
  | 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: b885bd275651793ad82fab59cd5b967ca6d251947385a194af18a8b431b6f367

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a846213f72d88cba910128544b3fcf6e31616522b1fe19b41a5b6d26dffce47e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2019-01-17T08:47:34Z",
    "title_canon_sha256": "2c376b1dde0c10394e002fc4b70b00d38b33690808e634b589aa0916fb7d3eac"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.05682",
    "kind": "arxiv",
    "version": 1
  }
}