Pith Number

pith:OYCQUNDH

pith:2023:OYCQUNDHXLMF6VE3AWU4ISGSK2

not attested not anchored not stored refs pending

Matrix Completion When Missing Is Not at Random and Its Applications in Causal Panel Data Models

Jungjun Choi, Ming Yuan

arxiv:2308.02364 v1 · 2023-08-04 · stat.ME · econ.EM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OYCQUNDHXLMF6VE3AWU4ISGSK2}

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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.

Cited by

1 paper in Pith

Matrix Completion via Residual Spectral Matching

Receipt and verification

First computed	2026-07-05T06:37:41.711462Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

76050a3467bad85f549b05a9c448d256be5087c8b63302433b2c272c65f06738

Aliases

arxiv: 2308.02364 · arxiv_version: 2308.02364v1 · doi: 10.48550/arxiv.2308.02364 · pith_short_12: OYCQUNDHXLMF · pith_short_16: OYCQUNDHXLMF6VE3 · pith_short_8: OYCQUNDH

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/OYCQUNDHXLMF6VE3AWU4ISGSK2 \
  | 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: 76050a3467bad85f549b05a9c448d256be5087c8b63302433b2c272c65f06738

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5bceeee4edf711c250da4b2ed297d0bdcd5f9f3473dd7cd66e8c90079b11f6de",
    "cross_cats_sorted": [
      "econ.EM"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2023-08-04T14:54:29Z",
    "title_canon_sha256": "b2e433f6591ada6db12970ea3507d494c8ae9f837f348e0593572037ac055262"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2308.02364",
    "kind": "arxiv",
    "version": 1
  }
}