Pith Number

pith:OEGZZ4MS

pith:2026:OEGZZ4MSCKYX3QSVKXCYDTXTDH

not attested not anchored not stored refs pending

Symmetric Hermite quadrature-based balanced truncation for learning linear dynamical systems from derivative data

Sean Reiter, Steffen W. R. Werner

arxiv:2606.00298 v1 · 2026-05-29 · math.NA · cs.LG · cs.NA · cs.SY · eess.SY · math.DS · 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{OEGZZ4MSCKYX3QSVKXCYDTXTDH}

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	2026-06-02T01:03:50.993712Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

710d9cf19212b17dc25555c581cef319feec860285c195d31cc501665e578159

Aliases

arxiv: 2606.00298 · arxiv_version: 2606.00298v1 · doi: 10.48550/arxiv.2606.00298 · pith_short_12: OEGZZ4MSCKYX · pith_short_16: OEGZZ4MSCKYX3QSV · pith_short_8: OEGZZ4MS

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/OEGZZ4MSCKYX3QSVKXCYDTXTDH \
  | 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: 710d9cf19212b17dc25555c581cef319feec860285c195d31cc501665e578159

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dd508ce21c857344797c8f38e20946c2c6476132b7c9a3df7175a648592224ac",
    "cross_cats_sorted": [
      "cs.LG",
      "cs.NA",
      "cs.SY",
      "eess.SY",
      "math.DS",
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2026-05-29T19:27:58Z",
    "title_canon_sha256": "3e98d7727a40e582a14af8589a51d4b5b02a2daa775915fa9f0a6f91568ec05d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.00298",
    "kind": "arxiv",
    "version": 1
  }
}