Pith Number

pith:YSWNLUJT

pith:2016:YSWNLUJT67FL7BOPHKPLF75I3Z

not attested not anchored not stored refs pending

Note on a parameter switching method for nonlinear ODEs

Marius-F. Danca, Michal Feckan

arxiv:1602.02489 v2 · 2016-02-08 · nlin.CD

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YSWNLUJT67FL7BOPHKPLF75I3Z}

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	2026-05-18T01:11:17.705442Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c4acd5d133f7cabf85cf3a9eb2ffa8de708118a92e2fd03601ce2e4ee2ae9684

Aliases

arxiv: 1602.02489 · arxiv_version: 1602.02489v2 · doi: 10.48550/arxiv.1602.02489 · pith_short_12: YSWNLUJT67FL · pith_short_16: YSWNLUJT67FL7BOP · pith_short_8: YSWNLUJT

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/YSWNLUJT67FL7BOPHKPLF75I3Z \
  | 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: c4acd5d133f7cabf85cf3a9eb2ffa8de708118a92e2fd03601ce2e4ee2ae9684

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1dabae2eecd7128e809db7f924169472b931d871bda22108d17889003a9889d9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.CD",
    "submitted_at": "2016-02-08T08:02:22Z",
    "title_canon_sha256": "937890e2ec052e44343d850343a293afd364e8dd24fefcdb49ae763a804f9ce5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.02489",
    "kind": "arxiv",
    "version": 2
  }
}