pith. sign in
Pith Number

pith:AQGXHURB

pith:2014:AQGXHURBDEEDLWPAPABARRVC3N
not attested not anchored not stored refs pending

Structured Priors for Sparse-Representation-Based Hyperspectral Image Classification

Nasser M. Nasrabadi, Qing Qu, Trac D. Tran, Xiaoxia Sun

arxiv:1401.3818 v1 · 2014-01-16 · cs.CV · cs.LG · stat.ML

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{AQGXHURBDEEDLWPAPABARRVC3N}

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 2026-05-18T03:02:06.877400Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

040d73d221190835d9e0780208c6a2db402c3cfd292fabee6100c0f7e0f1883c

Aliases

arxiv: 1401.3818 · arxiv_version: 1401.3818v1 · doi: 10.48550/arxiv.1401.3818 · pith_short_12: AQGXHURBDEED · pith_short_16: AQGXHURBDEEDLWPA · pith_short_8: AQGXHURB
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/AQGXHURBDEEDLWPAPABARRVC3N \
  | 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: 040d73d221190835d9e0780208c6a2db402c3cfd292fabee6100c0f7e0f1883c
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "4a010f2bc112caa245f85cf1f733be520770a4f7bfee97f459d309fb42bc8091",
    "cross_cats_sorted": [
      "cs.LG",
      "stat.ML"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/3.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2014-01-16T03:21:26Z",
    "title_canon_sha256": "fa572a696ed6b68c080fe77f7826982e3ea899277f437079a2b768e2af373e87"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.3818",
    "kind": "arxiv",
    "version": 1
  }
}