Pith Number

pith:BJ7JBUNS

pith:2017:BJ7JBUNSWHH4H2EYAPO67P4ULI

not attested not anchored not stored refs pending

Sparse Representation Based Augmented Multinomial Logistic Extreme Learning Machine with Weighted Composite Features for Spectral Spatial Hyperspectral Image Classification

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

arxiv:1709.03792 v2 · 2017-09-12 · 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{BJ7JBUNSWHH4H2EYAPO67P4ULI}

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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	2026-05-18T00:16:08.717736Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0a7e90d1b2b1cfc3e89803ddefbf945a0abc949f508f5b831011593604c62ef9

Aliases

arxiv: 1709.03792 · arxiv_version: 1709.03792v2 · doi: 10.48550/arxiv.1709.03792 · pith_short_12: BJ7JBUNSWHH4 · pith_short_16: BJ7JBUNSWHH4H2EY · pith_short_8: BJ7JBUNS

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/BJ7JBUNSWHH4H2EYAPO67P4ULI \
  | 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: 0a7e90d1b2b1cfc3e89803ddefbf945a0abc949f508f5b831011593604c62ef9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dd379e1dc622b1987c80ab62ab7b0ba1ff4429892bb1768493e97032106a8525",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2017-09-12T11:39:51Z",
    "title_canon_sha256": "36b5cd5a1d5b093f6ccec50ebd782919ae446302b4889596cba90dce1f461c33"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.03792",
    "kind": "arxiv",
    "version": 2
  }
}