Pith Number

pith:GU2MLAXG

pith:2015:GU2MLAXGY7KP7VUAYSY4GPGRJV

not attested not anchored not stored refs pending

A Second Order Non-Smooth Variational Model for Restoring Manifold-Valued Images

Andreas Weinmann, Gabriele Steidl, Miroslav Ba\v{c}\'ak, Ronny Bergmann

arxiv:1506.02409 v3 · 2015-06-08 · math.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{GU2MLAXGY7KP7VUAYSY4GPGRJV}

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	2026-05-17T23:58:54.929224Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3534c582e6c7d4ffd680c4b1c33cd14d6db00043fe4db98e7872ae5a35b0827b

Aliases

arxiv: 1506.02409 · arxiv_version: 1506.02409v3 · doi: 10.48550/arxiv.1506.02409 · pith_short_12: GU2MLAXGY7KP · pith_short_16: GU2MLAXGY7KP7VUA · pith_short_8: GU2MLAXG

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/GU2MLAXGY7KP7VUAYSY4GPGRJV \
  | 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: 3534c582e6c7d4ffd680c4b1c33cd14d6db00043fe4db98e7872ae5a35b0827b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "095d7926ee017cc748f11f37bffacdd367f6efb18176e74080c7fbc41d38123a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2015-06-08T09:24:27Z",
    "title_canon_sha256": "b6a381452a89adf5a46ea248e0fadd68f6943fe8267e12abb0f0431a96e1e625"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.02409",
    "kind": "arxiv",
    "version": 3
  }
}