Pith Number

pith:7JX43ZJA

pith:2023:7JX43ZJAWLY3ZEMYASQYOLN4U2

not attested not anchored not stored refs pending

Weighted Anisotropic-Isotropic Total Variation for Poisson Denoising

Fredrick Park, Jack Xin, Kevin Bui, Yifei Lou

arxiv:2307.00439 v1 · 2023-07-01 · eess.IV · cs.CV · cs.NA · 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{7JX43ZJAWLY3ZEMYASQYOLN4U2}

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	2026-07-05T06:26:56.269234Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fa6fcde520b2f1bc919804a1872dbca69bcda671c5ba9658609e5dde7865717c

Aliases

arxiv: 2307.00439 · arxiv_version: 2307.00439v1 · doi: 10.48550/arxiv.2307.00439 · pith_short_12: 7JX43ZJAWLY3 · pith_short_16: 7JX43ZJAWLY3ZEMY · pith_short_8: 7JX43ZJA

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/7JX43ZJAWLY3ZEMYASQYOLN4U2 \
  | 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: fa6fcde520b2f1bc919804a1872dbca69bcda671c5ba9658609e5dde7865717c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "96caec1625aeed32a7b356b24e0bf050002c127c06dd67685e7294dbad0be759",
    "cross_cats_sorted": [
      "cs.CV",
      "cs.NA",
      "math.NA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2023-07-01T23:25:54Z",
    "title_canon_sha256": "ff103056d5688179ffbc16cfb0561c392956738e9b4facd44f009636f2f5c94b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2307.00439",
    "kind": "arxiv",
    "version": 1
  }
}