Pith Number

pith:RCWP2WCB

pith:2021:RCWP2WCBJAYTCUVLQTIOZOI73Z

not attested not anchored not stored refs pending

A Survey: Deep Learning for Hyperspectral Image Classification with Few Labeled Samples

Meng Xu, Nanying Li, Sen Jia, Shiqi Yu, Shuguo Jiang, Zhijie Lin

arxiv:2112.01800 v1 · 2021-12-03 · cs.CV · cs.AI · eess.IV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RCWP2WCBJAYTCUVLQTIOZOI73Z}

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	2026-07-05T03:37:32.516464Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

88acfd584148313152ab84d0ecb91fde69a4f63e1c05bb391b49353ff09ede2c

Aliases

arxiv: 2112.01800 · arxiv_version: 2112.01800v1 · doi: 10.48550/arxiv.2112.01800 · pith_short_12: RCWP2WCBJAYT · pith_short_16: RCWP2WCBJAYTCUVL · pith_short_8: RCWP2WCB

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/RCWP2WCBJAYTCUVLQTIOZOI73Z \
  | 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: 88acfd584148313152ab84d0ecb91fde69a4f63e1c05bb391b49353ff09ede2c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7f19537b4233e19495f173631316d27cd21070e44ac9d6da58cbf5d126d9ee39",
    "cross_cats_sorted": [
      "cs.AI",
      "eess.IV"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-12-03T09:16:05Z",
    "title_canon_sha256": "3c8b31d46ceb9cfe3cfc21f0768e67f522e3e1153e6c89acf8cfc0bf7994c934"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2112.01800",
    "kind": "arxiv",
    "version": 1
  }
}