Pith Number

pith:G2XDW6GK

pith:2019:G2XDW6GKEFKZSZ6BX4BH6NB3TZ

not attested not anchored not stored refs pending

Regularisation for Planar Vector Fields

Holger Dullin, Nathan Duignan

arxiv:1901.08701 v1 · 2019-01-25 · 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{G2XDW6GKEFKZSZ6BX4BH6NB3TZ}

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.

Cited by

1 paper in Pith

Normal Forms for Manifolds of Normally Hyperbolic Singularities and Asymptotic Properties of Nearby Transitions

Receipt and verification

First computed	2026-07-05T01:32:55.672127Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

36ae3b78ca21559967c1bf027f343b9e70bcdb8d67dd0a2835ccc3f39d8f85e1

Aliases

arxiv: 1901.08701 · arxiv_version: 1901.08701v1 · doi: 10.48550/arxiv.1901.08701 · pith_short_12: G2XDW6GKEFKZ · pith_short_16: G2XDW6GKEFKZSZ6B · pith_short_8: G2XDW6GK

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/G2XDW6GKEFKZSZ6BX4BH6NB3TZ \
  | 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: 36ae3b78ca21559967c1bf027f343b9e70bcdb8d67dd0a2835ccc3f39d8f85e1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "63ea581f0bb2668c1513ff5ca588995d994b2dc19b1bdc7801df322b1f10c7e5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2019-01-25T00:23:55Z",
    "title_canon_sha256": "9474d6ab6787701c1fce094ea1a911d9270cd3ec500759b5368370f722aa4711"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.08701",
    "kind": "arxiv",
    "version": 1
  }
}