Pith Number

pith:WHS2N6LS

pith:2017:WHS2N6LS2UAHUFF5GBO4ETQST7

not attested not anchored not stored refs pending

Spectral-spatial classification of hyperspectral images: three tricks and a new supervised learning setting

Elena Marchiori, Jacopo Acquarelli, Lutgarde M.C. Buydens, Thanh Tran, Twan van Laarhoven

arxiv:1711.05512 v4 · 2017-11-15 · 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{WHS2N6LS2UAHUFF5GBO4ETQST7}

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	2026-05-18T00:10:11.068592Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b1e5a6f972d5007a14bd305dc24e129fc78ac434d1fae051bbb43fa8d4724701

Aliases

arxiv: 1711.05512 · arxiv_version: 1711.05512v4 · doi: 10.48550/arxiv.1711.05512 · pith_short_12: WHS2N6LS2UAH · pith_short_16: WHS2N6LS2UAHUFF5 · pith_short_8: WHS2N6LS

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/WHS2N6LS2UAHUFF5GBO4ETQST7 \
  | 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: b1e5a6f972d5007a14bd305dc24e129fc78ac434d1fae051bbb43fa8d4724701

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ec005fa1aa4d855e722f72c9ebb0f5e5c90de49b8691b0fce96562235115ca14",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2017-11-15T12:02:57Z",
    "title_canon_sha256": "1d56966f41ab0b5f3730428cd392b42c87e4e7467e8d1878158a194ae550eba9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.05512",
    "kind": "arxiv",
    "version": 4
  }
}