Pith Number

pith:7DSL4X74

pith:2019:7DSL4X74V6NZNPVX4XHMFXMI2Y

not attested not anchored not stored refs pending

A System Theoretical Perspective to Gradient-Tracking Algorithms for Distributed Quadratic Optimization

Giuseppe Notarstefano, Ivano Notarnicola, Lorenzo Marconi, Michelangelo Bin

arxiv:1911.06665 v1 · 2019-11-15 · eess.SY · cs.MA · cs.SY · 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{7DSL4X74V6NZNPVX4XHMFXMI2Y}

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	2026-07-05T01:07:11.972900Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f8e4be5ffcaf9b96beb7e5cec2dd88d60941a908de946fee6781b7e4c5e70064

Aliases

arxiv: 1911.06665 · arxiv_version: 1911.06665v1 · doi: 10.48550/arxiv.1911.06665 · pith_short_12: 7DSL4X74V6NZ · pith_short_16: 7DSL4X74V6NZNPVX · pith_short_8: 7DSL4X74

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/7DSL4X74V6NZNPVX4XHMFXMI2Y \
  | 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: f8e4be5ffcaf9b96beb7e5cec2dd88d60941a908de946fee6781b7e4c5e70064

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c82b9b013ee6135fb1b06b11f36ca0fdf448721e6c69877decb946acee4548bb",
    "cross_cats_sorted": [
      "cs.MA",
      "cs.SY",
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SY",
    "submitted_at": "2019-11-15T14:33:31Z",
    "title_canon_sha256": "feb6721c482301541040da8d31040482d716ad60ef390ef9fc5f2de26beaa1b8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1911.06665",
    "kind": "arxiv",
    "version": 1
  }
}