Pith Number

pith:MYGP3DDS

pith:2018:MYGP3DDSCX36O6QT7YKHZVLWPA

not attested not anchored not stored refs pending

Optimal H2 moment matching-based model reduction for linear systems by (non)convex optimization

I. Necoara, T.C. Ionescu

arxiv:1811.07409 v1 · 2018-11-18 · 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{MYGP3DDSCX36O6QT7YKHZVLWPA}

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	2026-05-18T00:00:24.601306Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

660cfd8c7215f7e77a13fe147cd576783eef5de20ff7bd6e7299e7cf7d608b59

Aliases

arxiv: 1811.07409 · arxiv_version: 1811.07409v1 · doi: 10.48550/arxiv.1811.07409 · pith_short_12: MYGP3DDSCX36 · pith_short_16: MYGP3DDSCX36O6QT · pith_short_8: MYGP3DDS

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/MYGP3DDSCX36O6QT7YKHZVLWPA \
  | 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: 660cfd8c7215f7e77a13fe147cd576783eef5de20ff7bd6e7299e7cf7d608b59

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5e3cccf45c8f91d50b5af50bafe6993bebeffdae6618f16a2bc85d7bbff88bdf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2018-11-18T21:35:43Z",
    "title_canon_sha256": "a143dabd626c5b973a2555ce11f7bfa5386aec2351889c05a68b52b219229202"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.07409",
    "kind": "arxiv",
    "version": 1
  }
}