Pith Number

pith:33ZRWOGF

pith:2024:33ZRWOGFE63R6EK6LW6UPB4B64

not attested not anchored not stored refs pending

A primal-dual adaptive finite element method for total variation minimization

Andreas Langer, Martin Alk\"amper, Stephan Hilb

arxiv:2404.03125 v2 · 2024-04-04 · math.NA · cs.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{33ZRWOGFE63R6EK6LW6UPB4B64}

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	2026-07-05T10:16:08.193842Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

def31b38c527b71f115e5dbd478781f700e4d561b2cd5e5db28ba3fcdc739e06

Aliases

arxiv: 2404.03125 · arxiv_version: 2404.03125v2 · doi: 10.48550/arxiv.2404.03125 · pith_short_12: 33ZRWOGFE63R · pith_short_16: 33ZRWOGFE63R6EK6 · pith_short_8: 33ZRWOGF

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/33ZRWOGFE63R6EK6LW6UPB4B64 \
  | 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: def31b38c527b71f115e5dbd478781f700e4d561b2cd5e5db28ba3fcdc739e06

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d7776ea7829658c75f3aad54b954aeddd4e8d82126c960044b3a46533bb1a825",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2024-04-04T00:24:49Z",
    "title_canon_sha256": "1d2a45972a2eb1bbc130a413528d745e6e0f38efd27844f5e7d9acc3a60b07c8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2404.03125",
    "kind": "arxiv",
    "version": 2
  }
}