Pith Number

pith:P53T4Y23

pith:2020:P53T4Y23C24BEFREUAFG4ZAEJF

not attested not anchored not stored refs pending

Multi-temporal and multi-source remote sensing image classification by nonlinear relative normalization

Devis Tuia, Diego Marcos, Gustau Camps-Valls

arxiv:2012.04469 v1 · 2020-12-07 · eess.SP · cs.CV · eess.IV

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{P53T4Y23C24BEFREUAFG4ZAEJF}

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	2026-07-05T01:58:04.359571Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7f773e635b16b8121624a00a6e64044964c976087254b28ea5b6c5627b348352

Aliases

arxiv: 2012.04469 · arxiv_version: 2012.04469v1 · doi: 10.48550/arxiv.2012.04469 · pith_short_12: P53T4Y23C24B · pith_short_16: P53T4Y23C24BEFRE · pith_short_8: P53T4Y23

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/P53T4Y23C24BEFREUAFG4ZAEJF \
  | 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: 7f773e635b16b8121624a00a6e64044964c976087254b28ea5b6c5627b348352

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cf3a29e55e7b18f500c9afd0c753912436937ec72b1738df1df0d6eb29f1a1d3",
    "cross_cats_sorted": [
      "cs.CV",
      "eess.IV"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2020-12-07T08:46:11Z",
    "title_canon_sha256": "1442f6dab3c2ada5c59ee76d077c1f6a68311139661f8886c53c171172c4ddbd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2012.04469",
    "kind": "arxiv",
    "version": 1
  }
}