Pith Number

pith:NNW25ZLZ

pith:2022:NNW25ZLZXOJOT24FAEYNIEH2TN

not attested not anchored not stored refs pending

SRL-SOA: Self-Representation Learning with Sparse 1D-Operational Autoencoder for Hyperspectral Image Band Selection

Iftikhar Ahmad, Mete Ahishali, Moncef Gabbouj, Serkan Kiranyaz

arxiv:2202.09918 v1 · 2022-02-20 · cs.CV · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NNW25ZLZXOJOT24FAEYNIEH2TN}

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	2026-07-05T09:04:26.252963Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6b6daee579bb92e9eb850130d410fa9b50c7870112cbb670cb818b0ea0092037

Aliases

arxiv: 2202.09918 · arxiv_version: 2202.09918v1 · doi: 10.48550/arxiv.2202.09918 · pith_short_12: NNW25ZLZXOJO · pith_short_16: NNW25ZLZXOJOT24F · pith_short_8: NNW25ZLZ

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/NNW25ZLZXOJOT24FAEYNIEH2TN \
  | 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: 6b6daee579bb92e9eb850130d410fa9b50c7870112cbb670cb818b0ea0092037

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cab2eeb94dfab678f1c2f3ec59c48a208e0d002e6955a1e70d557eff5e298e9f",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2022-02-20T22:17:01Z",
    "title_canon_sha256": "fe48cc351c1dc64a9b15c45fa89f13e9a3fc463ffc78375cacfbd242ef25d31e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2202.09918",
    "kind": "arxiv",
    "version": 1
  }
}