Pith Number

pith:TOPBRDJH

pith:2017:TOPBRDJHM3AMK24NLDCAQ73IOA

not attested not anchored not stored refs pending

Extreme Sparse Multinomial Logistic Regression: A Fast and Robust Framework for Hyperspectral Image Classification

Faxian Cao, Jinchang Ren, Wing-Kuen Ling, Zhijing Yang

arxiv:1709.02517 v2 · 2017-09-08 · 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{TOPBRDJHM3AMK24NLDCAQ73IOA}

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	2026-05-18T00:29:01.168831Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9b9e188d2766c0c56b8d58c4087f687020b14bee0903950b0ad5a181f43e5936

Aliases

arxiv: 1709.02517 · arxiv_version: 1709.02517v2 · doi: 10.48550/arxiv.1709.02517 · pith_short_12: TOPBRDJHM3AM · pith_short_16: TOPBRDJHM3AMK24N · pith_short_8: TOPBRDJH

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/TOPBRDJHM3AMK24NLDCAQ73IOA \
  | 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: 9b9e188d2766c0c56b8d58c4087f687020b14bee0903950b0ad5a181f43e5936

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1998f4cfc532c2720fafd4acf02ba59acd6a376ba5ebfd232ba7905563ccaa0c",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2017-09-08T03:16:52Z",
    "title_canon_sha256": "d7f2a8b7b60de3e82e62b7dfa3d23455a07e5ade5103dedc1d6e3031914653a0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.02517",
    "kind": "arxiv",
    "version": 2
  }
}