Pith Number

pith:D7FXYTAN

pith:2021:D7FXYTANI2R2NTSA4ICWV65GAP

not attested not anchored not stored refs pending

Fast Hyperspectral Image Denoising and Inpainting Based on Low-Rank and Sparse Representations

Jose M. Bioucas-Dias, Lina Zhuang

arxiv:2103.06842 v1 · 2021-03-11 · eess.IV · 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{D7FXYTANI2R2NTSA4ICWV65GAP}

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	2026-07-05T02:22:19.604584Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1fcb7c4c0d46a3a6ce40e2056afba603ee7c7c4450b472614fafcd14980e28dd

Aliases

arxiv: 2103.06842 · arxiv_version: 2103.06842v1 · doi: 10.48550/arxiv.2103.06842 · pith_short_12: D7FXYTANI2R2 · pith_short_16: D7FXYTANI2R2NTSA · pith_short_8: D7FXYTAN

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/D7FXYTANI2R2NTSA4ICWV65GAP \
  | 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: 1fcb7c4c0d46a3a6ce40e2056afba603ee7c7c4450b472614fafcd14980e28dd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "31e2647d3e36267ddfc516b6f7cee2b40f73cf7d083b04de199061d56a07a128",
    "cross_cats_sorted": [
      "cs.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2021-03-11T18:12:29Z",
    "title_canon_sha256": "e9eb228018285a03f666985741049e4359b6fce04edbad9ecdc7535ef4c4a251"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.06842",
    "kind": "arxiv",
    "version": 1
  }
}