Pith Number

pith:Q6ED4QDS

pith:2023:Q6ED4QDSJC3T7CPMKSIWUI3C62

not attested not anchored not stored refs pending

Data-Driven Encoding: A New Numerical Method for Computation of the Koopman Operator

Haruhiko Harry Asada, Jerry Ng

arxiv:2301.06542 v1 · 2023-01-16 · cs.LG · cs.RO · cs.SY · eess.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{Q6ED4QDSJC3T7CPMKSIWUI3C62}

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	2026-07-05T05:33:33.107996Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

87883e407248b73f89ec54916a2362f6bf367105c9121690822d088ae609612f

Aliases

arxiv: 2301.06542 · arxiv_version: 2301.06542v1 · doi: 10.48550/arxiv.2301.06542 · pith_short_12: Q6ED4QDSJC3T · pith_short_16: Q6ED4QDSJC3T7CPM · pith_short_8: Q6ED4QDS

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/Q6ED4QDSJC3T7CPMKSIWUI3C62 \
  | 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: 87883e407248b73f89ec54916a2362f6bf367105c9121690822d088ae609612f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "068ef2ab30d4829c464717f9fa7ebd750305e12eeb75401aeb545ab417101455",
    "cross_cats_sorted": [
      "cs.RO",
      "cs.SY",
      "eess.SY"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2023-01-16T18:04:09Z",
    "title_canon_sha256": "f7e59998c5dcea2b48c4adba136b2611eebbbdbe6ba20cf921f23cca94311d34"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2301.06542",
    "kind": "arxiv",
    "version": 1
  }
}