Pith Number

pith:GJRWVRUL

pith:2014:GJRWVRUL4LV5OZTI52YTPINT7T

not attested not anchored not stored refs pending

Fast matrix completion without the condition number

Mary Wootters, Moritz Hardt

arxiv:1407.4070 v1 · 2014-07-15 · cs.LG · cs.DS · 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{GJRWVRUL4LV5OZTI52YTPINT7T}

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	2026-05-18T02:47:32.031009Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

32636ac68be2ebd76668eeb137a1b3fce09a2b9c1050f2b81894bd39c80996b4

Aliases

arxiv: 1407.4070 · arxiv_version: 1407.4070v1 · doi: 10.48550/arxiv.1407.4070 · pith_short_12: GJRWVRUL4LV5 · pith_short_16: GJRWVRUL4LV5OZTI · pith_short_8: GJRWVRUL

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/GJRWVRUL4LV5OZTI52YTPINT7T \
  | 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: 32636ac68be2ebd76668eeb137a1b3fce09a2b9c1050f2b81894bd39c80996b4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f7f0eee2fba83bb791058990ceffa774af926fd17214272049ea3e1f404177c0",
    "cross_cats_sorted": [
      "cs.DS",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2014-07-15T17:47:44Z",
    "title_canon_sha256": "2449bc64cd40a538470539786d1805da05c5137c7773697db08be3b9204d47c2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.4070",
    "kind": "arxiv",
    "version": 1
  }
}