pith. sign in
Pith Number

pith:YBXAPH24

pith:2019:YBXAPH24TEZFAN7YE75CFFCM3T
not attested not anchored not stored refs pending

Total Variation and Mean Curvature PDEs on $\mathbb{R}^d \rtimes S^{d-1}$

Bart Smets, Etienne St-Onge, Jim Portegies, Remco Duits

arxiv:1902.08145 v3 · 2019-02-21 · math.AP · math.DG

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{YBXAPH24TEZFAN7YE75CFFCM3T}

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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 2026-05-17T23:41:53.381448Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

c06e079f5c99325037f827fa22944cdcd5967574f99d7aa086d18739e483f614

Aliases

arxiv: 1902.08145 · arxiv_version: 1902.08145v3 · doi: 10.48550/arxiv.1902.08145 · pith_short_12: YBXAPH24TEZF · pith_short_16: YBXAPH24TEZFAN7Y · pith_short_8: YBXAPH24
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/YBXAPH24TEZFAN7YE75CFFCM3T \
  | 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: c06e079f5c99325037f827fa22944cdcd5967574f99d7aa086d18739e483f614
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "dc0efea27e2da79988efcc60d9a1bc4d0849100e5bc39128ace8b5936627205c",
    "cross_cats_sorted": [
      "math.DG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2019-02-21T17:17:28Z",
    "title_canon_sha256": "802efdc8542a1b33121f2c6744ff186ba55086e8843f68a735cd6dcbdce92074"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.08145",
    "kind": "arxiv",
    "version": 3
  }
}