Pith Number

pith:HNOHUTQL

pith:2012:HNOHUTQLRKFLI2B5M3QMQBNKQT

not attested not anchored not stored refs pending

An iterative method for the canard explosion in general planar systems

Morten Br{\o}ns

arxiv:1209.1109 v1 · 2012-09-05 · 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{HNOHUTQLRKFLI2B5M3QMQBNKQT}

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	2026-05-18T03:46:06.539646Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3b5c7a4e0b8a8ab4683d66e0c805aa84f32b5e684a03805ef677a21a5b17e239

Aliases

arxiv: 1209.1109 · arxiv_version: 1209.1109v1 · doi: 10.48550/arxiv.1209.1109 · pith_short_12: HNOHUTQLRKFL · pith_short_16: HNOHUTQLRKFLI2B5 · pith_short_8: HNOHUTQL

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/HNOHUTQLRKFLI2B5M3QMQBNKQT \
  | 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: 3b5c7a4e0b8a8ab4683d66e0c805aa84f32b5e684a03805ef677a21a5b17e239

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fb1285a084f55ff85bb38ea8742b5ea2d0ab0e2dace216ecddf0191e0412ee20",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2012-09-05T20:05:35Z",
    "title_canon_sha256": "18741b14d49313823b21a90faf5ac4b787ba682bd3c979726b75079eae8d763f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.1109",
    "kind": "arxiv",
    "version": 1
  }
}