Pith Number

pith:SRPBWAZE

pith:2016:SRPBWAZEPOAGXL7QF3ILG2ZJR2

not attested not anchored not stored refs pending

Nearly-optimal Robust Matrix Completion

Kartik Gupta, Prateek Jain, Yeshwanth Cherapanamjeri

arxiv:1606.07315 v3 · 2016-06-23 · cs.LG · cs.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SRPBWAZEPOAGXL7QF3ILG2ZJR2}

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	2026-05-18T00:55:34.124423Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

945e1b03247b806baff02ed0b36b298eb7bef8e3f4d46e5640ba98bb099a918e

Aliases

arxiv: 1606.07315 · arxiv_version: 1606.07315v3 · doi: 10.48550/arxiv.1606.07315 · pith_short_12: SRPBWAZEPOAG · pith_short_16: SRPBWAZEPOAGXL7Q · pith_short_8: SRPBWAZE

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/SRPBWAZEPOAGXL7QF3ILG2ZJR2 \
  | 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: 945e1b03247b806baff02ed0b36b298eb7bef8e3f4d46e5640ba98bb099a918e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "30f979b1f37ebadca003b270b4ec17a9e332d7abc4451337cbbd10144f194c2b",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2016-06-23T13:57:56Z",
    "title_canon_sha256": "87aa21c23d4c5a873323e64f2adda50e18cc0fda2272dc3386facf0749139c02"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1606.07315",
    "kind": "arxiv",
    "version": 3
  }
}