Pith Number

pith:IPP23PGI

pith:2017:IPP23PGIXC72UG566EPYMAM4BO

not attested not anchored not stored refs pending

Accelerated and Inexact Soft-Impute for Large-Scale Matrix and Tensor Completion

James T. Kwok, Quanming Yao

arxiv:1703.05487 v2 · 2017-03-16 · 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{IPP23PGIXC72UG566EPYMAM4BO}

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	2026-05-18T00:07:18.781047Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

43dfadbcc8b8bfaa1bbef11f86019c0ba54afaad3a0a2d4cc769f1842aa8ddbb

Aliases

arxiv: 1703.05487 · arxiv_version: 1703.05487v2 · doi: 10.48550/arxiv.1703.05487 · pith_short_12: IPP23PGIXC72 · pith_short_16: IPP23PGIXC72UG56 · pith_short_8: IPP23PGI

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/IPP23PGIXC72UG566EPYMAM4BO \
  | 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: 43dfadbcc8b8bfaa1bbef11f86019c0ba54afaad3a0a2d4cc769f1842aa8ddbb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bf8a353b12da5c1f9887793838c16d3a17c3411c6d3558eae0a50a95a8ce7cb2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NA",
    "submitted_at": "2017-03-16T06:50:00Z",
    "title_canon_sha256": "3a1fd6b5b8b3c42f5531ae19131f216e6f441442b98716a545d224ad395dbd7a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.05487",
    "kind": "arxiv",
    "version": 2
  }
}