Pith Number

pith:YOEH2S7M

pith:2018:YOEH2S7MKZTNYLF5VW4PJ44F6Q

not attested not anchored not stored refs pending

A Compendium of Hopf-Like Bifurcations in Piecewise-Smooth Dynamical Systems

D.J.W. Simpson

arxiv:1804.11009 v1 · 2018-04-30 · 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{YOEH2S7MKZTNYLF5VW4PJ44F6Q}

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	2026-05-18T00:08:07.260247Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c3887d4bec5666dc2cbdadb8f4f385f42524c270ca83a71f2e969377fec811d0

Aliases

arxiv: 1804.11009 · arxiv_version: 1804.11009v1 · doi: 10.48550/arxiv.1804.11009 · pith_short_12: YOEH2S7MKZTN · pith_short_16: YOEH2S7MKZTNYLF5 · pith_short_8: YOEH2S7M

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/YOEH2S7MKZTNYLF5VW4PJ44F6Q \
  | 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: c3887d4bec5666dc2cbdadb8f4f385f42524c270ca83a71f2e969377fec811d0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f58b9597f6d23f1ec0a207e9bb4cbc8f0e2d25597b6ed8086bc346af15011174",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2018-04-30T00:49:55Z",
    "title_canon_sha256": "adba536a04889a66ec54c0fb261b756c65a9a8f1254c8b04f1667daa8fcd3475"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.11009",
    "kind": "arxiv",
    "version": 1
  }
}