Pith Number

pith:AF4LLADY

pith:2015:AF4LLADYU2ZOWBEDEBAEIUEBLD

not attested not anchored not stored refs pending

On the approximation of the canard explosion point in epsilon-free systems

Kristian Uldall Kristiansen, Morten Br{\o}ns

arxiv:1504.07752 v2 · 2015-04-29 · 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{AF4LLADYU2ZOWBEDEBAEIUEBLD}

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	2026-05-18T01:48:06.144490Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0178b58078a6b2eb0483204044508158e334887b9a0b71b2120db56a796e523d

Aliases

arxiv: 1504.07752 · arxiv_version: 1504.07752v2 · doi: 10.48550/arxiv.1504.07752 · pith_short_12: AF4LLADYU2ZO · pith_short_16: AF4LLADYU2ZOWBED · pith_short_8: AF4LLADY

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/AF4LLADYU2ZOWBEDEBAEIUEBLD \
  | 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: 0178b58078a6b2eb0483204044508158e334887b9a0b71b2120db56a796e523d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "668ba7d97e51b1a16958db4ad18e8d04e1ddc9c8e5af296227a6c8176ce6ae85",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2015-04-29T08:01:45Z",
    "title_canon_sha256": "c460a409e571a168985d08b40e6f4b091a5e7f4ddb2bfee301ac93cd3999bc48"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.07752",
    "kind": "arxiv",
    "version": 2
  }
}