Pith Number

pith:WD4RT72E

pith:2023:WD4RT72E4Q3FFIFAIBX7UWG5Z6

not attested not anchored not stored refs pending

Difference of Anisotropic and Isotropic TV for Segmentation under Blur and Poisson Noise

Fredrick Park, Jack Xin, Kevin Bui, Yifei Lou

arxiv:2301.03393 v4 · 2023-01-06 · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WD4RT72E4Q3FFIFAIBX7UWG5Z6}

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	2026-07-05T06:21:30.267245Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b0f919ff44e43652a0a0406ffa58ddcf902ea54205531addd34890880c203107

Aliases

arxiv: 2301.03393 · arxiv_version: 2301.03393v4 · doi: 10.48550/arxiv.2301.03393 · pith_short_12: WD4RT72E4Q3F · pith_short_16: WD4RT72E4Q3FFIFA · pith_short_8: WD4RT72E

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/WD4RT72E4Q3FFIFAIBX7UWG5Z6 \
  | 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: b0f919ff44e43652a0a0406ffa58ddcf902ea54205531addd34890880c203107

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aa6d4bc22a70c44016dc3741d6497e95ddad5933d55910ddc6ea80b280242247",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2023-01-06T01:14:56Z",
    "title_canon_sha256": "b0f2fc714a83d6b5a23cebeb35be83fae2bf1c86320dc6bf4394ebb8f391ecdf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2301.03393",
    "kind": "arxiv",
    "version": 4
  }
}