Pith Number

pith:TXCM3BVG

pith:2018:TXCM3BVGFH2Z2LXSTS4HOVY3RV

not attested not anchored not stored refs pending

Unified Models for Second-Order TV-Type Regularisation in Imaging - A New Perspective Based on Vector Operators

Eva-Maria Brinkmann, Joana Sarah Grah, Martin Burger

arxiv:1802.01895 v4 · 2018-02-06 · math.NA · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TXCM3BVGFH2Z2LXSTS4HOVY3RV}

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	2026-05-18T00:01:53.460707Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9dc4cd86a629f59d2ef29cb877571b8d5ceaada778ff3ee9f8121a5b23b7b9c8

Aliases

arxiv: 1802.01895 · arxiv_version: 1802.01895v4 · doi: 10.48550/arxiv.1802.01895 · pith_short_12: TXCM3BVGFH2Z · pith_short_16: TXCM3BVGFH2Z2LXS · pith_short_8: TXCM3BVG

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/TXCM3BVGFH2Z2LXSTS4HOVY3RV \
  | 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: 9dc4cd86a629f59d2ef29cb877571b8d5ceaada778ff3ee9f8121a5b23b7b9c8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d41d53bbd46ec4b7f8704a84d67f875490fad2d2d7f7004e6b4f875b317358df",
    "cross_cats_sorted": [
      "math.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-02-06T11:59:38Z",
    "title_canon_sha256": "d2de46e7d0119eeb1a5c740fc3237062e70404ec4a15c9d81a7367cc191bcf14"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.01895",
    "kind": "arxiv",
    "version": 4
  }
}