Pith Number

pith:YEM67IHZ

pith:2014:YEM67IHZVCM5VQHXIMMTIK3DH2

not attested not anchored not stored refs pending

A higher-order MRF based variational model for multiplicative noise reduction

Hong Qiao, Ren\'e Ranftl, Thomas Pock, Wensen Feng, Yunjin Chen

arxiv:1404.5344 v3 · 2014-04-21 · 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{YEM67IHZVCM5VQHXIMMTIK3DH2}

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	2026-05-18T01:43:26.604041Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c119efa0f9a899dac0f74319342b633ebd1f2c0962692e4236898eb46b2dc09c

Aliases

arxiv: 1404.5344 · arxiv_version: 1404.5344v3 · doi: 10.48550/arxiv.1404.5344 · pith_short_12: YEM67IHZVCM5 · pith_short_16: YEM67IHZVCM5VQHX · pith_short_8: YEM67IHZ

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/YEM67IHZVCM5VQHXIMMTIK3DH2 \
  | 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: c119efa0f9a899dac0f74319342b633ebd1f2c0962692e4236898eb46b2dc09c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0191690768d5b87e420c89dbf5c50b9aff9de380ef4829c523c6840c0768b190",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2014-04-21T22:19:31Z",
    "title_canon_sha256": "ba2916f2f4e49b4797011a98172425a40d04a568dd2002650482cbb6fff75dea"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.5344",
    "kind": "arxiv",
    "version": 3
  }
}