Pith Number

pith:TZFT76NH

pith:2018:TZFT76NHKJH3GBVZQW7YTZAJD4

not attested not anchored not stored refs pending

Saddle-Node Bifurcation of Periodic Orbits for a Delay Differential Equation

Gabriella Vas, Szandra Guzsv\'any

arxiv:1810.11679 v2 · 2018-10-27 · 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{TZFT76NHKJH3GBVZQW7YTZAJD4}

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	2026-05-17T23:50:44.861970Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9e4b3ff9a7524fb306b985bf89e4091f2c725128cb023988e89da2b43e9ae68a

Aliases

arxiv: 1810.11679 · arxiv_version: 1810.11679v2 · doi: 10.48550/arxiv.1810.11679 · pith_short_12: TZFT76NHKJH3 · pith_short_16: TZFT76NHKJH3GBVZ · pith_short_8: TZFT76NH

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/TZFT76NHKJH3GBVZQW7YTZAJD4 \
  | 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: 9e4b3ff9a7524fb306b985bf89e4091f2c725128cb023988e89da2b43e9ae68a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "adc20c557170b9d1222030c38627d3cc996f57e8b5c30d34c9692cd8fa52b75e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2018-10-27T17:14:47Z",
    "title_canon_sha256": "5ba0f54cd3ce650fb797cc0a334b34ee8e0962a28475361d23c7c4326d4f748a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.11679",
    "kind": "arxiv",
    "version": 2
  }
}