Pith Number

pith:RVZDYUY3

pith:2020:RVZDYUY3DV6DO2LT37VJBMPTFR

not attested not anchored not stored refs pending

Learning Individual Models for Imputation (Technical Report)

Aoqian Zhang, Jianmin Wang, Shaoxu Song, Yu Sun

arxiv:2004.03436 v1 · 2020-04-07 · cs.DB · 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{RVZDYUY3DV6DO2LT37VJBMPTFR}

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	2026-07-05T00:53:26.065272Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8d723c531b1d7c376973dfea90b1f32c67c1109e821af359ee96e707187b0dd1

Aliases

arxiv: 2004.03436 · arxiv_version: 2004.03436v1 · doi: 10.48550/arxiv.2004.03436 · pith_short_12: RVZDYUY3DV6D · pith_short_16: RVZDYUY3DV6DO2LT · pith_short_8: RVZDYUY3

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/RVZDYUY3DV6DO2LT37VJBMPTFR \
  | 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: 8d723c531b1d7c376973dfea90b1f32c67c1109e821af359ee96e707187b0dd1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9a7e7d3c43c95a985d32b8c6066ef1d87f8d1a4518fea6b602a5b18cf1c678bb",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2020-04-07T14:36:54Z",
    "title_canon_sha256": "3269d7bb9abb6494ea6a086e491dd87b3d7a8d377dffff10eae4576950270f54"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.03436",
    "kind": "arxiv",
    "version": 1
  }
}