Pith Number

pith:7QVZNBR5

pith:2012:7QVZNBR5XN5MM7S2BYBJWJUKD7

not attested not anchored not stored refs pending

Computing Slow Manifolds of Saddle Type

Christian Kuehn, John Guckenheimer

arxiv:1202.0498 v1 · 2012-02-02 · math.DS · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7QVZNBR5XN5MM7S2BYBJWJUKD7}

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	2026-05-18T04:03:18.023950Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fc2b96863dbb7ac67e5a0e029b268a1feb44e14507d66a34df44cfb5692ab91f

Aliases

arxiv: 1202.0498 · arxiv_version: 1202.0498v1 · doi: 10.48550/arxiv.1202.0498 · pith_short_12: 7QVZNBR5XN5M · pith_short_16: 7QVZNBR5XN5MM7S2 · pith_short_8: 7QVZNBR5

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/7QVZNBR5XN5MM7S2BYBJWJUKD7 \
  | 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: fc2b96863dbb7ac67e5a0e029b268a1feb44e14507d66a34df44cfb5692ab91f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eb10fb86182c4cd2c0f8f00c2f927c50ff48bb0e5cba30e186ca795433ee520d",
    "cross_cats_sorted": [
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2012-02-02T17:31:11Z",
    "title_canon_sha256": "663c79d3ec3103cec25a8528c3d6b33bef079f105ce8b94c175ebb3d419c386b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.0498",
    "kind": "arxiv",
    "version": 1
  }
}