Pith Number

pith:N4IT4WIK

pith:2018:N4IT4WIKEXVYEVLAXNEK2DE3YM

not attested not anchored not stored refs pending

A Canonical Form for First-Order Distributed Optimization Algorithms

Akhil Sundararajan, Bryan Van Scoy, Laurent Lessard

arxiv:1809.08709 v2 · 2018-09-24 · math.OC · cs.DC · cs.SY

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{N4IT4WIKEXVYEVLAXNEK2DE3YM}

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	2026-05-17T23:40:41.547243Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6f113e590a25eb825560bb48ad0c9bc31477ba5440a8f9688d8c28eac5d5ce70

Aliases

arxiv: 1809.08709 · arxiv_version: 1809.08709v2 · doi: 10.48550/arxiv.1809.08709 · pith_short_12: N4IT4WIKEXVY · pith_short_16: N4IT4WIKEXVYEVLA · pith_short_8: N4IT4WIK

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/N4IT4WIKEXVYEVLAXNEK2DE3YM \
  | 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: 6f113e590a25eb825560bb48ad0c9bc31477ba5440a8f9688d8c28eac5d5ce70

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0551cc56ab90b14e1b9f153586d08c948d28f12d3cc1757875ca9b8251324975",
    "cross_cats_sorted": [
      "cs.DC",
      "cs.SY"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2018-09-24T00:41:05Z",
    "title_canon_sha256": "7652bf27f722e7c366a728eba0bc0c7191fa6330838572aee469fb38bf3da645"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.08709",
    "kind": "arxiv",
    "version": 2
  }
}