Pith Number

pith:NXX6ITTZ

pith:2019:NXX6ITTZ46FVIVWBFUJPHL7GMS

not attested not anchored not stored refs pending

Color Image and Multispectral Image Denoising Using Block Diagonal Representation

Xiaowei Yang, Zhaoming Kong

arxiv:1902.03954 v1 · 2019-02-11 · 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{NXX6ITTZ46FVIVWBFUJPHL7GMS}

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	2026-05-17T23:39:55.055417Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6defe44e79e78b5456c12d12f3afe664875c417dac81fa620edf7b9ced1070c5

Aliases

arxiv: 1902.03954 · arxiv_version: 1902.03954v1 · doi: 10.48550/arxiv.1902.03954 · pith_short_12: NXX6ITTZ46FV · pith_short_16: NXX6ITTZ46FVIVWB · pith_short_8: NXX6ITTZ

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/NXX6ITTZ46FVIVWBFUJPHL7GMS \
  | 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: 6defe44e79e78b5456c12d12f3afe664875c417dac81fa620edf7b9ced1070c5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1cc35ba635addbd9004eca8f7d550dc3863f1efa2c8701d2484f914ea07c2052",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-02-11T15:50:10Z",
    "title_canon_sha256": "4691af53895f9fb8b3da8e24fd3f8e5c4e1724ac2fefa5fe2bfd4f289dff3753"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.03954",
    "kind": "arxiv",
    "version": 1
  }
}