Pith Number

pith:HHJCN2DX

pith:2020:HHJCN2DXMNKC7HBEIAUZJHBG5D

not attested not anchored not stored refs pending

Spectral Superresolution of Multispectral Imagery with Joint Sparse and Low-Rank Learning

Bing Zhang, Danfeng Hong, Jing Yao, Jocelyn Chanussot, Lianru Gao, Paolo Gamba

arxiv:2007.14006 v1 · 2020-07-28 · 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{HHJCN2DXMNKC7HBEIAUZJHBG5D}

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	2026-07-05T01:22:54.458490Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

39d226e87763542f9c244029949c26e8daf50c9efe2d812e257def7209b2b06f

Aliases

arxiv: 2007.14006 · arxiv_version: 2007.14006v1 · doi: 10.48550/arxiv.2007.14006 · pith_short_12: HHJCN2DXMNKC · pith_short_16: HHJCN2DXMNKC7HBE · pith_short_8: HHJCN2DX

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/HHJCN2DXMNKC7HBEIAUZJHBG5D \
  | 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: 39d226e87763542f9c244029949c26e8daf50c9efe2d812e257def7209b2b06f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "54edf639c92a8f9624e893dc130f1a4a09b5a19765bf9e2a2881cd9bf870dfc1",
    "cross_cats_sorted": [
      "cs.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2020-07-28T06:08:44Z",
    "title_canon_sha256": "65492301bf394bda88f11f1c8f39234d65bac2bcb0dbef4cd4c6e5831c0700b8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2007.14006",
    "kind": "arxiv",
    "version": 1
  }
}