Pith Number

pith:75HKQZP6

pith:2019:75HKQZP6PHT2LIW6EBSWZHFD3Z

not attested not anchored not stored refs pending

Simultaneous Spectral-Spatial Feature Selection and Extraction for Hyperspectral Images

Bo Du, Dacheng Tao, Lefei Zhang, Qian Zhang, Xin Huang, Yuan Yan Tang

arxiv:1904.03982 v1 · 2019-04-08 · 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{75HKQZP6PHT2LIW6EBSWZHFD3Z}

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	2026-05-17T23:49:07.520876Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ff4ea865fe79e7a5a2de20656c9ca3de7016555e80b2aa2e03c99d79efde35e7

Aliases

arxiv: 1904.03982 · arxiv_version: 1904.03982v1 · doi: 10.48550/arxiv.1904.03982 · pith_short_12: 75HKQZP6PHT2 · pith_short_16: 75HKQZP6PHT2LIW6 · pith_short_8: 75HKQZP6

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/75HKQZP6PHT2LIW6EBSWZHFD3Z \
  | 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: ff4ea865fe79e7a5a2de20656c9ca3de7016555e80b2aa2e03c99d79efde35e7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1301fe562c3c7dcf8766c838a00adf7cf54d4acb3a290666ab66f89bb910a4c5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-04-08T12:05:59Z",
    "title_canon_sha256": "b199ab5861b52b984b74993f8203d3c9d5e496bca1eca76e1ce7de7d3f9874f7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.03982",
    "kind": "arxiv",
    "version": 1
  }
}