Pith Number

pith:7DXSOJ53

pith:2014:7DXSOJ53YBNPVHOKFYQ6RB4NPT

not attested not anchored not stored refs pending

On the use of blow up to study regularizations of singularities of piecewise smooth dynamical systems in $\mathbb{R}^3$

K. Uldall Kristiansen, S. J. Hogan

arxiv:1408.0675 v2 · 2014-08-04 · 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{7DXSOJ53YBNPVHOKFYQ6RB4NPT}

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	2026-05-18T02:31:11.261640Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f8ef2727bbc05afa9dca2e21e8878d7ce6a8420cec5cfecbff0303f723ddcb15

Aliases

arxiv: 1408.0675 · arxiv_version: 1408.0675v2 · doi: 10.48550/arxiv.1408.0675 · pith_short_12: 7DXSOJ53YBNP · pith_short_16: 7DXSOJ53YBNPVHOK · pith_short_8: 7DXSOJ53

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/7DXSOJ53YBNPVHOKFYQ6RB4NPT \
  | 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: f8ef2727bbc05afa9dca2e21e8878d7ce6a8420cec5cfecbff0303f723ddcb15

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "25d48eb33f02b00a000106f1e553f18b31740cc5358dd38de47548f8495e8d19",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2014-08-04T13:19:16Z",
    "title_canon_sha256": "bf71394d192327d3f8f47a0cc0736fca283510e7cab75fb0c977eb9eb30efc87"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1408.0675",
    "kind": "arxiv",
    "version": 2
  }
}