Pith Number

pith:EYVNVTN7

pith:2020:EYVNVTN7YLBGMDN63RO2GKNJRS

not attested not anchored not stored refs pending

Fredholm theory of families of discrete dynamical systems and its applications to bifurcation theory

Nils Waterstraat, Robert Skiba

arxiv:2003.12433 v1 · 2020-03-27 · math.FA · math.DS · math.KT

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EYVNVTN7YLBGMDN63RO2GKNJRS}

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

Finding Simple Proofs for First-Order Optimization

Receipt and verification

First computed	2026-07-05T00:50:58.295636Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

262adacdbfc2c2660dbedc5da329a98c8f4f6fbd83654fc564c2c50480089072

Aliases

arxiv: 2003.12433 · arxiv_version: 2003.12433v1 · doi: 10.48550/arxiv.2003.12433 · pith_short_12: EYVNVTN7YLBG · pith_short_16: EYVNVTN7YLBGMDN6 · pith_short_8: EYVNVTN7

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/EYVNVTN7YLBGMDN63RO2GKNJRS \
  | 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: 262adacdbfc2c2660dbedc5da329a98c8f4f6fbd83654fc564c2c50480089072

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8f42cfab7917f05ccfc5de85de63b6f0c47e40ea45185ff97342974671476340",
    "cross_cats_sorted": [
      "math.DS",
      "math.KT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2020-03-27T14:23:17Z",
    "title_canon_sha256": "f4f4061eb95a9c73047c7cd69e6ef6a3cf98bfcc1f96495fe3c96f9bc24cd8bc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2003.12433",
    "kind": "arxiv",
    "version": 1
  }
}