Pith Number

pith:OQJKKKSN

pith:2018:OQJKKKSNJBQNWZAWJZRETNENVC

not attested not anchored not stored refs pending

Deep Learning of Nonnegativity-Constrained Autoencoders for Enhanced Understanding of Data

Babajide O. Ayinde, Jacek M. Zurada

arxiv:1802.00003 v3 · 2018-01-31 · 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{OQJKKKSNJBQNWZAWJZRETNENVC}

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	2026-05-17T23:57:32.281794Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7412a52a4d4860db64164e6249b48da8b52f9bfde157f249779119716415156f

Aliases

arxiv: 1802.00003 · arxiv_version: 1802.00003v3 · doi: 10.48550/arxiv.1802.00003 · pith_short_12: OQJKKKSNJBQN · pith_short_16: OQJKKKSNJBQNWZAW · pith_short_8: OQJKKKSN

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/OQJKKKSNJBQNWZAWJZRETNENVC \
  | 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: 7412a52a4d4860db64164e6249b48da8b52f9bfde157f249779119716415156f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c145d2ef701f7f06acb788b4fe45eb3bac3826c653f9ac44098d40f9fe8003ac",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2018-01-31T02:32:40Z",
    "title_canon_sha256": "ba1abeaf117130437facb0ab0555fb98a094f142f463191a56683c63c025abcc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.00003",
    "kind": "arxiv",
    "version": 3
  }
}