Pith Number

pith:ZLSSZAJQ

pith:2013:ZLSSZAJQUVXURFW463VJOMYPT7

not attested not anchored not stored refs pending

Missing Value Imputation With Unsupervised Backpropagation

Michael R. Smith, Michael S. Gashler, Richard Morris, Tony Martinez

arxiv:1312.5394 v1 · 2013-12-19 · cs.NE · cs.LG · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZLSSZAJQUVXURFW463VJOMYPT7}

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	2026-05-18T03:04:14.883362Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cae52c8130a56f4896dcf6ea97330f9fed40e1a3eaf84fb8f147f3a6fa867c13

Aliases

arxiv: 1312.5394 · arxiv_version: 1312.5394v1 · doi: 10.48550/arxiv.1312.5394 · pith_short_12: ZLSSZAJQUVXU · pith_short_16: ZLSSZAJQUVXURFW4 · pith_short_8: ZLSSZAJQ

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/ZLSSZAJQUVXURFW463VJOMYPT7 \
  | 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: cae52c8130a56f4896dcf6ea97330f9fed40e1a3eaf84fb8f147f3a6fa867c13

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0938e2d5b4d9349638b2e0a9d2c26f44a80b46410c5a476e6975f8ab606880e3",
    "cross_cats_sorted": [
      "cs.LG",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NE",
    "submitted_at": "2013-12-19T02:38:40Z",
    "title_canon_sha256": "9ba554e5fae0ac2823d1dac6a2423505e26fa0f6c9971266ebaaef3c3b183297"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.5394",
    "kind": "arxiv",
    "version": 1
  }
}