Pith Number

pith:S2RPNLXU

pith:2019:S2RPNLXURAZ54X7S3XXHAUMCB7

not attested not anchored not stored refs pending

Row-Sparse Discriminative Deep Dictionary Learning for Hyperspectral Image Classification

Angshul Majumdar, Vanika Singhal

arxiv:1912.10804 v1 · 2019-12-11 · eess.IV · 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{S2RPNLXURAZ54X7S3XXHAUMCB7}

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	2026-07-05T00:28:02.804852Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

96a2f6aef48833de5ff2ddee7051820ff6a7106e00b7f02ebed6cb68411d5759

Aliases

arxiv: 1912.10804 · arxiv_version: 1912.10804v1 · doi: 10.48550/arxiv.1912.10804 · pith_short_12: S2RPNLXURAZ5 · pith_short_16: S2RPNLXURAZ54X7S · pith_short_8: S2RPNLXU

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/S2RPNLXURAZ54X7S3XXHAUMCB7 \
  | 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: 96a2f6aef48833de5ff2ddee7051820ff6a7106e00b7f02ebed6cb68411d5759

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "56200e6b8177e50005ff2662bf2d3ae1ba879d9f4bbf53a9b2550c5542dbbf1e",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2019-12-11T10:00:31Z",
    "title_canon_sha256": "dc568067e2dba87b61bdd323ada623fcc4b1835bbd65233490a46e494a2d8c55"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1912.10804",
    "kind": "arxiv",
    "version": 1
  }
}