Pith Number

pith:4SYGSUZM

pith:2016:4SYGSUZMKWULNEDX2ITEBYWVAI

not attested not anchored not stored refs pending

An operator-theoretic viewpoint to non-smooth dynamical systems: Koopman analysis of a hybrid pendulum

Emma Tegling, Hassan Arbabi, Igor Mezi\'c, Louis van Blargian, Nithin Govindarajan, Timothy Matchen

arxiv:1608.08734 v1 · 2016-08-31 · math.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4SYGSUZMKWULNEDX2ITEBYWVAI}

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	2026-05-18T01:06:40.051697Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e4b069532c55a8b69077d22640e2d5020582936a96c72b4cfaa8bccd91427bc7

Aliases

arxiv: 1608.08734 · arxiv_version: 1608.08734v1 · doi: 10.48550/arxiv.1608.08734 · pith_short_12: 4SYGSUZMKWUL · pith_short_16: 4SYGSUZMKWULNEDX · pith_short_8: 4SYGSUZM

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/4SYGSUZMKWULNEDX2ITEBYWVAI \
  | 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: e4b069532c55a8b69077d22640e2d5020582936a96c72b4cfaa8bccd91427bc7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ed48700d3c9f3bddb459aff7f35fdcf47ecefd09e3a5659b3ef628ece751c765",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2016-08-31T05:46:57Z",
    "title_canon_sha256": "4237b562e4adb7a5f5eea1ddc57569d9d6e4d78299837721731d7ca0bf824e5f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.08734",
    "kind": "arxiv",
    "version": 1
  }
}