Pith Number

pith:7DV7JC5M

pith:2017:7DV7JC5MRZZCMTMIQDERQWJHS3

not attested not anchored not stored refs pending

Fast Low-Rank Bayesian Matrix Completion with Hierarchical Gaussian Prior Models

Bing Zeng, Hongbin Li, Huiping Duan, Jun Fang, Linxiao Yang

arxiv:1708.02455 v2 · 2017-08-08 · cs.LG · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7DV7JC5MRZZCMTMIQDERQWJHS3}

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	2026-05-18T00:16:31.701937Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f8ebf48bac8e72264d8880c918592796ff2bb8bf7f4e70f5c945b0aaad3b3926

Aliases

arxiv: 1708.02455 · arxiv_version: 1708.02455v2 · doi: 10.48550/arxiv.1708.02455 · pith_short_12: 7DV7JC5MRZZC · pith_short_16: 7DV7JC5MRZZCMTMI · pith_short_8: 7DV7JC5M

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/7DV7JC5MRZZCMTMIQDERQWJHS3 \
  | 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: f8ebf48bac8e72264d8880c918592796ff2bb8bf7f4e70f5c945b0aaad3b3926

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "81ec4fd2f4687bc87af92ffcf6003b9e9a6a55cb5e5e029b1faf6726ddb909b8",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2017-08-08T11:59:10Z",
    "title_canon_sha256": "585164ed70e74f9538a5cdfc17e69006db6fce564cfb6eec614bf7e187255df1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.02455",
    "kind": "arxiv",
    "version": 2
  }
}