Pith Number

pith:EFKXRMHS

pith:2018:EFKXRMHSMTEHZ7BTW73OH5T5BO

not attested not anchored not stored refs pending

Imputation and low-rank estimation with Missing Not At Random data

Aude Sportisse (LPSM (UMR\_8001), Claire Boyer (LPSM (UMR\_8001), CMAP), DMA), Julie Josse (CMAP, XPOP)

arxiv:1812.11409 v3 · 2018-12-29 · stat.ML · 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{EFKXRMHSMTEHZ7BTW73OH5T5BO}

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	2026-07-05T00:37:06.377166Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

215578b0f264c87cfc33b7f6e3f67d0b9eb1d46b70f44324d564d62a1a25cc09

Aliases

arxiv: 1812.11409 · arxiv_version: 1812.11409v3 · doi: 10.48550/arxiv.1812.11409 · pith_short_12: EFKXRMHSMTEH · pith_short_16: EFKXRMHSMTEHZ7BT · pith_short_8: EFKXRMHS

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/EFKXRMHSMTEHZ7BTW73OH5T5BO \
  | 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: 215578b0f264c87cfc33b7f6e3f67d0b9eb1d46b70f44324d564d62a1a25cc09

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "66a315a69fe5b47bc65de355f7d9454bcd160927446948acc3124d9d52c1d80d",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2018-12-29T17:51:34Z",
    "title_canon_sha256": "9474db0ef9501afa7e2ae94c3f3a2ab9a71d29a1cbca1b01f89642d440724dac"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.11409",
    "kind": "arxiv",
    "version": 3
  }
}