Pith Number

pith:7S22B44U

pith:2019:7S22B44UWYS4HZPFEIITUOFQS5

not attested not anchored not stored refs pending

Active Transfer Learning Network: A Unified Deep Joint Spectral-Spatial Feature Learning Model For Hyperspectral Image Classification

Chao Li, Cheng Deng, Dacheng Tao, Xianglong Liu, Yumeng Xue

arxiv:1904.02454 v1 · 2019-04-04 · 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{7S22B44UWYS4HZPFEIITUOFQS5}

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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	2026-05-17T23:47:16.504533Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fcb5a0f394b625c3e5e522113a38b0977318571ff975f3810d3f56f72f609d11

Aliases

arxiv: 1904.02454 · arxiv_version: 1904.02454v1 · doi: 10.48550/arxiv.1904.02454 · pith_short_12: 7S22B44UWYS4 · pith_short_16: 7S22B44UWYS4HZPF · pith_short_8: 7S22B44U

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/7S22B44UWYS4HZPFEIITUOFQS5 \
  | 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: fcb5a0f394b625c3e5e522113a38b0977318571ff975f3810d3f56f72f609d11

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "218b8d097f4e69a03550180329908be6adf617ea4670653025e2dd78f6d96f97",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-04-04T10:18:06Z",
    "title_canon_sha256": "4a007f0249ccd4c0ed71e0c9ae1ad9a11d56bd6fb2b8ee244ba7e6d31efcb020"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.02454",
    "kind": "arxiv",
    "version": 1
  }
}