Pith Number

pith:KPTDX7N6

pith:2026:KPTDX7N6BMANXTQ743PW3DKAWX

not attested not anchored not stored refs pending

Data Driven Modeling of Nonlinear Dynamics in a Rotating Detonation Combustor via Finite Dimensional Approximations of the Koopman Operator

David Oexle, Myles D. Bohon, Tobias Breiten

arxiv:2607.22457 v1 · 2026-07-24 · math.OC · cs.CE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KPTDX7N6BMANXTQ743PW3DKAWX}

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	2026-07-27T01:21:22.074712Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

53e63bfdbe0b00dbce1fe6df6d8d40b5ea67c4d335e40cfa124fbfcba422545c

Aliases

arxiv: 2607.22457 · arxiv_version: 2607.22457v1 · doi: 10.48550/arxiv.2607.22457 · pith_short_12: KPTDX7N6BMAN · pith_short_16: KPTDX7N6BMANXTQ7 · pith_short_8: KPTDX7N6

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/KPTDX7N6BMANXTQ743PW3DKAWX \
  | 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: 53e63bfdbe0b00dbce1fe6df6d8d40b5ea67c4d335e40cfa124fbfcba422545c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "77e0307252d3ed41e64708aaa62283b946244c0a805bf75359d0d43799d1d8c0",
    "cross_cats_sorted": [
      "cs.CE"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2026-07-24T16:18:52Z",
    "title_canon_sha256": "0af5178f8d223f3086e0b760747e460cd8e48a24f66f68afc155ba71eeedc516"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.22457",
    "kind": "arxiv",
    "version": 1
  }
}