Pith Number

pith:IXR25Z5U

pith:2019:IXR25Z5UIQGRX6TRSHHZZCOHBI

not attested not anchored not stored refs pending

Decomposition of non-convex optimization via bi-level distributed ALADIN

Alexander Engelmann, Boris Houska, Timm Faulwasser, Yuning Jiang

arxiv:1903.11280 v1 · 2019-03-27 · 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{IXR25Z5UIQGRX6TRSHHZZCOHBI}

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	2026-05-17T23:50:03.660829Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

45e3aee7b4440d1bfa7191cf9c89c70a1f35bcffdc3be7f6d576f28d502a93db

Aliases

arxiv: 1903.11280 · arxiv_version: 1903.11280v1 · doi: 10.48550/arxiv.1903.11280 · pith_short_12: IXR25Z5UIQGR · pith_short_16: IXR25Z5UIQGRX6TR · pith_short_8: IXR25Z5U

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/IXR25Z5UIQGRX6TRSHHZZCOHBI \
  | 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: 45e3aee7b4440d1bfa7191cf9c89c70a1f35bcffdc3be7f6d576f28d502a93db

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "858d61dcbc85a1876380ed934c4ec4da78c3e68f9539e5b6830224a71a982ddb",
    "cross_cats_sorted": [
      "cs.DC",
      "cs.SY"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2019-03-27T07:48:57Z",
    "title_canon_sha256": "93e4e83733b42ddb9591869378b8a1a497bf9c03ebe1a0e4c628a281d66ac977"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.11280",
    "kind": "arxiv",
    "version": 1
  }
}