Pith Number

pith:NQW4IQ5Y

pith:2019:NQW4IQ5YFGNONHRM5QFCON3IQL

not attested not anchored not stored refs pending

Time Delay in the Swing Equation: A Variety of Bifurcations

Lutz Gr\"oll, Tessina H. Scholl, Veit Hagenmeyer

arxiv:1908.07996 v3 · 2019-08-19 · math.DS · 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{NQW4IQ5YFGNONHRM5QFCON3IQL}

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	2026-07-05T00:27:32.552813Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6c2dc443b8299ae69e2cec0a27376882dee1ce1f2f71f8d4f585338528300d70

Aliases

arxiv: 1908.07996 · arxiv_version: 1908.07996v3 · doi: 10.48550/arxiv.1908.07996 · pith_short_12: NQW4IQ5YFGNO · pith_short_16: NQW4IQ5YFGNONHRM · pith_short_8: NQW4IQ5Y

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/NQW4IQ5YFGNONHRM5QFCON3IQL \
  | 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: 6c2dc443b8299ae69e2cec0a27376882dee1ce1f2f71f8d4f585338528300d70

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "54e6b78ec3d45f0ba29e424bbbb03e4cbb5d77a68a83dbecfaffb2cdcbbc7436",
    "cross_cats_sorted": [
      "cs.SY",
      "eess.SY"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2019-08-19T13:33:25Z",
    "title_canon_sha256": "62e8ed2ec844f404bfc16cf99f0d3c06b51de8651fc86b3fe998e298f4785ac9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.07996",
    "kind": "arxiv",
    "version": 3
  }
}