Pith Number

pith:WCHYII6M

pith:2015:WCHYII6MWSNRZATUU5YUQ6I3HY

not attested not anchored not stored refs pending

Structured Matrix Completion with Applications to Genomic Data Integration

Anru Zhang, Tianxi Cai, T. Tony Cai

arxiv:1504.01823 v1 · 2015-04-08 · stat.ME · math.ST · stat.ML · stat.TH

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WCHYII6MWSNRZATUU5YUQ6I3HY}

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	2026-05-18T02:19:18.172646Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b08f8423ccb49b1c8274a77148791b3e36e9a09ef2c9d57c33e2155fe0cc1791

Aliases

arxiv: 1504.01823 · arxiv_version: 1504.01823v1 · doi: 10.48550/arxiv.1504.01823 · pith_short_12: WCHYII6MWSNR · pith_short_16: WCHYII6MWSNRZATU · pith_short_8: WCHYII6M

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/WCHYII6MWSNRZATUU5YUQ6I3HY \
  | 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: b08f8423ccb49b1c8274a77148791b3e36e9a09ef2c9d57c33e2155fe0cc1791

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c75943911a4f86c5f9104d6da7f89dd1c68f9c211d29171bb73947218c56f73e",
    "cross_cats_sorted": [
      "math.ST",
      "stat.ML",
      "stat.TH"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/3.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2015-04-08T04:14:07Z",
    "title_canon_sha256": "a2a1bad255fc93a561eb0a8deb315ca98e187f2753c30bb9d38cf456d4a6d914"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.01823",
    "kind": "arxiv",
    "version": 1
  }
}