Pith Number

pith:RDOPXXFP

pith:2015:RDOPXXFPYICJUXU472E55EMEI2

not attested not anchored not stored refs pending

Bayesian Matrix Completion via Adaptive Relaxed Spectral Regularization

Jun Zhu, Yang Song

arxiv:1512.01110 v2 · 2015-12-03 · cs.NA · cs.AI · 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{RDOPXXFPYICJUXU472E55EMEI2}

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	2026-05-18T01:13:23.881101Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

88dcfbdcafc2049a5e9cfe89de9184469237b39f8c42c1e5f0b8762939de5aa3

Aliases

arxiv: 1512.01110 · arxiv_version: 1512.01110v2 · doi: 10.48550/arxiv.1512.01110 · pith_short_12: RDOPXXFPYICJ · pith_short_16: RDOPXXFPYICJUXU4 · pith_short_8: RDOPXXFP

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/RDOPXXFPYICJUXU472E55EMEI2 \
  | 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: 88dcfbdcafc2049a5e9cfe89de9184469237b39f8c42c1e5f0b8762939de5aa3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "76d6cb5be55505d6ea6ef6f308de28982c84d5f1863f82134228817490f7662b",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NA",
    "submitted_at": "2015-12-03T15:16:19Z",
    "title_canon_sha256": "72a706d68b3da0f7c2b45b9b1051a9f8b522b30d0ae3d53c0ad2b3f1025c3a24"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.01110",
    "kind": "arxiv",
    "version": 2
  }
}