Pith Number

pith:IFA5RJH6

pith:2020:IFA5RJH6C4ZTZ6QZAPGL6L25JQ

not attested not anchored not stored refs pending

Unsupervised Alternating Optimization for Blind Hyperspectral Imagery Super-resolution

Jiangtao Nie, Lei Zhang, Wei Wei, Yanning Zhang, Zhiqiang Lang

arxiv:2012.01745 v1 · 2020-12-03 · 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{IFA5RJH6C4ZTZ6QZAPGL6L25JQ}

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	2026-07-05T01:56:49.573842Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4141d8a4fe17333cfa1903ccbf2f5d4c077bb9d23a44b097c7a98e038b72e81a

Aliases

arxiv: 2012.01745 · arxiv_version: 2012.01745v1 · doi: 10.48550/arxiv.2012.01745 · pith_short_12: IFA5RJH6C4ZT · pith_short_16: IFA5RJH6C4ZTZ6QZ · pith_short_8: IFA5RJH6

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/IFA5RJH6C4ZTZ6QZAPGL6L25JQ \
  | 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: 4141d8a4fe17333cfa1903ccbf2f5d4c077bb9d23a44b097c7a98e038b72e81a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8419d27e821326789e0cf0428c590ea985eac9b47fb132ad8d79684a142e370f",
    "cross_cats_sorted": [
      "cs.CV"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2020-12-03T07:52:32Z",
    "title_canon_sha256": "0b63eceeecfc7bdff225fdb4351f924a552eaf56bb35de2a585a0f375cc5b64b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2012.01745",
    "kind": "arxiv",
    "version": 1
  }
}