Pith Number

pith:J5X4WYXG

pith:2018:J5X4WYXGK47BRSFSE7L5EHF33F

not attested not anchored not stored refs pending

Imputation of mixed data with multilevel singular value decomposition

Balasubramanian Narasimhan, CMAP), Fran\c{c}ois Husson (IRMAR), Genevi\`eve Robin (XPOP, Julie Josse (CMAP, XPOP)

arxiv:1804.11087 v1 · 2018-04-30 · stat.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{J5X4WYXGK47BRSFSE7L5EHF33F}

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	2026-05-18T00:17:14.643984Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4f6fcb62e6573e18c8b227d7d21cbbd94732bc8a62d023168ccaf6b9fdd4d1ab

Aliases

arxiv: 1804.11087 · arxiv_version: 1804.11087v1 · doi: 10.48550/arxiv.1804.11087 · pith_short_12: J5X4WYXGK47B · pith_short_16: J5X4WYXGK47BRSFS · pith_short_8: J5X4WYXG

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/J5X4WYXGK47BRSFSE7L5EHF33F \
  | 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: 4f6fcb62e6573e18c8b227d7d21cbbd94732bc8a62d023168ccaf6b9fdd4d1ab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6df863503890214734699b2c702293b6ca59c0977745552f69a4c9f50be61fb0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.AP",
    "submitted_at": "2018-04-30T09:07:13Z",
    "title_canon_sha256": "8b84ccab5b0fc8d8846061d95e0a2dc24f67436063a270ee4bf2e1d275bf6c15"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.11087",
    "kind": "arxiv",
    "version": 1
  }
}