Pith Number

pith:GO52TNVQ

pith:2019:GO52TNVQERFXKH4QNMD2KTXYYJ

not attested not anchored not stored refs pending

User guide on Hopf bifurcation and time periodic orbits with pde2path

Hannes Uecker

arxiv:1908.00905 v2 · 2019-08-02 · math.NA · cs.NA · nlin.PS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GO52TNVQERFXKH4QNMD2KTXYYJ}

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	2026-07-05T00:58:04.174141Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

33bba9b6b0244b751f906b07a54ef8c2645050e5b46e120006baf2efdb5608ae

Aliases

arxiv: 1908.00905 · arxiv_version: 1908.00905v2 · doi: 10.48550/arxiv.1908.00905 · pith_short_12: GO52TNVQERFX · pith_short_16: GO52TNVQERFXKH4Q · pith_short_8: GO52TNVQ

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/GO52TNVQERFXKH4QNMD2KTXYYJ \
  | 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: 33bba9b6b0244b751f906b07a54ef8c2645050e5b46e120006baf2efdb5608ae

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "059758d011faae8844046f7cc3b656fb29be6bfceb9526c6eaf087a86d57dc46",
    "cross_cats_sorted": [
      "cs.NA",
      "nlin.PS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2019-08-02T15:25:48Z",
    "title_canon_sha256": "a80befc0763b97bfa5d30afa9883b97adfecec1c2040ad6e69e9054ff699442d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.00905",
    "kind": "arxiv",
    "version": 2
  }
}