Pith Number

pith:QFTASNRO

pith:2012:QFTASNROQ5QZL5ZJQ3LKQPQBET

not attested not anchored not stored refs pending

An Optimal Model Identification For Oscillatory Dynamics With a Stable Limit Cycle

Bartosz Protas, Bernd R. Noack, Marek Morzynski

arxiv:1209.4416 v3 · 2012-09-20 · math.DS · physics.flu-dyn

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QFTASNROQ5QZL5ZJQ3LKQPQBET}

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	2026-05-18T01:54:20.806184Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

816609362e876195f72986d6a83e0124f71d73e14dad4b55c182140a128c9f93

Aliases

arxiv: 1209.4416 · arxiv_version: 1209.4416v3 · doi: 10.48550/arxiv.1209.4416 · pith_short_12: QFTASNROQ5QZ · pith_short_16: QFTASNROQ5QZL5ZJ · pith_short_8: QFTASNRO

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/QFTASNROQ5QZL5ZJQ3LKQPQBET \
  | 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: 816609362e876195f72986d6a83e0124f71d73e14dad4b55c182140a128c9f93

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "769eb2a1acfb3a0d1f418cc523b5a8bdbe5616f6e975ef8787df4bd5162f5c02",
    "cross_cats_sorted": [
      "physics.flu-dyn"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2012-09-20T04:03:47Z",
    "title_canon_sha256": "bbc93200e39417dd2e74ebb1470e445e736d7866eaab1e7e862f5fd53c44b09a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.4416",
    "kind": "arxiv",
    "version": 3
  }
}