Pith Number

pith:XKI4EMAM

pith:2014:XKI4EMAMRWKF7NDLVH4UXUAM5Z

not attested not anchored not stored refs pending

Sparse Coding: A Deep Learning using Unlabeled Data for High - Level Representation

Dr.G.M.Nasira, R. P. Jaia Priyankka, R. Vidya

arxiv:1404.1559 v1 · 2014-04-06 · cs.LG · cs.NE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XKI4EMAMRWKF7NDLVH4UXUAM5Z}

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	2026-05-18T02:54:46.009618Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ba91c2300c8d945fb46ba9f94bd00cee7ca26bd55bbcddc28fddd6616d59de99

Aliases

arxiv: 1404.1559 · arxiv_version: 1404.1559v1 · doi: 10.48550/arxiv.1404.1559 · pith_short_12: XKI4EMAMRWKF · pith_short_16: XKI4EMAMRWKF7NDL · pith_short_8: XKI4EMAM

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/XKI4EMAMRWKF7NDLVH4UXUAM5Z \
  | 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: ba91c2300c8d945fb46ba9f94bd00cee7ca26bd55bbcddc28fddd6616d59de99

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7ffd895a446a6b6f94365dfb059ffc682cbc3b8ff4338760ba764c145d3efde5",
    "cross_cats_sorted": [
      "cs.NE"
    ],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2014-04-06T09:50:45Z",
    "title_canon_sha256": "fa4746aa188fec02ab2fe32b24b6cd2192cd7546f69bc98d344e1f487226ef7d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.1559",
    "kind": "arxiv",
    "version": 1
  }
}