Pith Number

pith:A4SETCMQ

pith:2015:A4SETCMQRBZGSJ32QBP47EDXHV

not attested not anchored not stored refs pending

Regularizations of two-fold bifurcations in planar piecewise smooth systems using blow up

K. Uldall Kristiansen, S. J. Hogan

arxiv:1502.06210 v2 · 2015-02-22 · 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{A4SETCMQRBZGSJ32QBP47EDXHV}

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	2026-05-18T01:36:22.890598Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0724498990887269277a805fcf90773d443a13d7b09b51704d84ad695d6a9e58

Aliases

arxiv: 1502.06210 · arxiv_version: 1502.06210v2 · doi: 10.48550/arxiv.1502.06210 · pith_short_12: A4SETCMQRBZG · pith_short_16: A4SETCMQRBZGSJ32 · pith_short_8: A4SETCMQ

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/A4SETCMQRBZGSJ32QBP47EDXHV \
  | 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: 0724498990887269277a805fcf90773d443a13d7b09b51704d84ad695d6a9e58

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e65b35057837c6d99d1d6b9b398d69cf2c8d809324e70169600b80b6b5ae67cf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2015-02-22T11:02:05Z",
    "title_canon_sha256": "0eadbdf939bc846a894f5d341b01c428b48ab061fa9e1061721ddd8c1dc2ec99"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.06210",
    "kind": "arxiv",
    "version": 2
  }
}