Pith Number

pith:QSPJJRMS

pith:2015:QSPJJRMSGA5RIGMATGRK5SL4IB

not attested not anchored not stored refs pending

Streaming, Memory Limited Matrix Completion with Noise

Alexandre Proutiere, Marc Lelarge, Se-Young Yun

arxiv:1504.03156 v1 · 2015-04-13 · math.SP · 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{QSPJJRMSGA5RIGMATGRK5SL4IB}

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	2026-05-18T02:18:59.025100Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

849e94c592303b14198099a2aec97c404aa81ae0bddcc56946c1c57821f8f104

Aliases

arxiv: 1504.03156 · arxiv_version: 1504.03156v1 · doi: 10.48550/arxiv.1504.03156 · pith_short_12: QSPJJRMSGA5R · pith_short_16: QSPJJRMSGA5RIGMA · pith_short_8: QSPJJRMS

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/QSPJJRMSGA5RIGMATGRK5SL4IB \
  | 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: 849e94c592303b14198099a2aec97c404aa81ae0bddcc56946c1c57821f8f104

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a9e0d241e16e4ffa36bb1593a6238a51f1ee94896513371e3e38f326a18b9e28",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.SP",
    "submitted_at": "2015-04-13T12:52:31Z",
    "title_canon_sha256": "e6d10c95db712eda7c72d3b08fc35133499610b17d0d87310684370a1975487d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.03156",
    "kind": "arxiv",
    "version": 1
  }
}