Pith Number

pith:FF7CMI47

pith:2007:FF7CMI47ABVKIMMRL5IJVD4VZZ

not attested not anchored not stored refs pending

Asymptotic Expansion of the Homoclinic Splitting Matrix for the Rapidly, Quasiperiodically, Forced Pendulum

Mikko Stenlund

arxiv:0711.3654 v1 · 2007-11-22 · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FF7CMI47ABVKIMMRL5IJVD4VZZ}

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	2026-05-18T04:10:57.553011Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

297e26239f006aa431915f509a8f95ce64456f039e79f151cc3de5f6cfc2b248

Aliases

arxiv: 0711.3654 · arxiv_version: 0711.3654v1 · doi: 10.48550/arxiv.0711.3654 · pith_short_12: FF7CMI47ABVK · pith_short_16: FF7CMI47ABVKIMMR · pith_short_8: FF7CMI47

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/FF7CMI47ABVKIMMRL5IJVD4VZZ \
  | 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: 297e26239f006aa431915f509a8f95ce64456f039e79f151cc3de5f6cfc2b248

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1587eb014fef991d1650c83889e89dadb1eda36ffe4aae75b4a8eb508b7c9c9a",
    "cross_cats_sorted": [
      "math.MP"
    ],
    "license": "",
    "primary_cat": "math-ph",
    "submitted_at": "2007-11-22T23:40:45Z",
    "title_canon_sha256": "56a916d2f004894af729e1a06e4d2bc554ba5d56f900fa6c85bf645901d4f750"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0711.3654",
    "kind": "arxiv",
    "version": 1
  }
}