Pith Number

pith:PCGKL3ZC

pith:2022:PCGKL3ZCOPOVMJXQLXZBLX5MUM

not attested not anchored not stored refs pending

Delaunay-Triangulation-Based Learning with Hessian Total-Variation Regularization

Alexis Goujon, Mehrsa Pourya, Michael Unser

arxiv:2208.07787 v1 · 2022-08-16 · eess.SP · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PCGKL3ZCOPOVMJXQLXZBLX5MUM}

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	2026-07-05T04:49:08.937530Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

788ca5ef2273dd5626f05df215dfaca31e730780e1a38d0cb451ca8874d860eb

Aliases

arxiv: 2208.07787 · arxiv_version: 2208.07787v1 · doi: 10.48550/arxiv.2208.07787 · pith_short_12: PCGKL3ZCOPOV · pith_short_16: PCGKL3ZCOPOVMJXQ · pith_short_8: PCGKL3ZC

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/PCGKL3ZCOPOVMJXQLXZBLX5MUM \
  | 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: 788ca5ef2273dd5626f05df215dfaca31e730780e1a38d0cb451ca8874d860eb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "abb00eb43036e4cb062dcc92edf1aaa5827a6536cd916728ace4dd2c614df84d",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2022-08-16T14:55:05Z",
    "title_canon_sha256": "3cb19360e770e43be42667e642e7367c5699be527c11c05b368bc776cc7fa401"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2208.07787",
    "kind": "arxiv",
    "version": 1
  }
}