Pith Number

pith:FVQBHW7X

pith:2022:FVQBHW7X7AQFFHPMCBTCBLYGKN

not attested not anchored not stored refs pending

Two Stage Continuous Domain Regularization for Piecewise Constant Image Restoration

Chenchuan Zhou, Jae Kyu Choi, Jian-Feng Cai

arxiv:2208.04678 v1 · 2022-08-09 · 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{FVQBHW7X7AQFFHPMCBTCBLYGKN}

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	2026-07-05T04:46:59.938113Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2d6013dbf7f820529dec106620af065379b60a4eaf2a3f9a54f2225918419da9

Aliases

arxiv: 2208.04678 · arxiv_version: 2208.04678v1 · doi: 10.48550/arxiv.2208.04678 · pith_short_12: FVQBHW7X7AQF · pith_short_16: FVQBHW7X7AQFFHPM · pith_short_8: FVQBHW7X

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/FVQBHW7X7AQFFHPMCBTCBLYGKN \
  | 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: 2d6013dbf7f820529dec106620af065379b60a4eaf2a3f9a54f2225918419da9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "25b396ef90e65986a72be6ef49279c81c23646a134d1caae6a63b984d0e4f070",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://creativecommons.org/publicdomain/zero/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2022-08-09T11:55:49Z",
    "title_canon_sha256": "f61063e673d2428f4557602827670c19b99cf8e2f45946c443dd97eee38eeeec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2208.04678",
    "kind": "arxiv",
    "version": 1
  }
}