Pith Number

pith:VH4BK3KZ

pith:2015:VH4BK3KZ6RGPJ72ZCCUIWWQEDA

not attested not anchored not stored refs pending

Tensor Factorization via Matrix Factorization

Arun Tejasvi Chaganty, Percy Liang, Volodymyr Kuleshov

arxiv:1501.07320 v2 · 2015-01-29 · cs.LG · 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{VH4BK3KZ6RGPJ72ZCCUIWWQEDA}

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	2026-05-18T02:05:23.780259Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a9f8156d59f44cf4ff5910a88b5a041802e51fbf111e188bd4936abd6804413e

Aliases

arxiv: 1501.07320 · arxiv_version: 1501.07320v2 · doi: 10.48550/arxiv.1501.07320 · pith_short_12: VH4BK3KZ6RGP · pith_short_16: VH4BK3KZ6RGPJ72Z · pith_short_8: VH4BK3KZ

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/VH4BK3KZ6RGPJ72ZCCUIWWQEDA \
  | 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: a9f8156d59f44cf4ff5910a88b5a041802e51fbf111e188bd4936abd6804413e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1ad589b9778a0d3645cf1f27cabcf169d8e7977907971b74df5417091e743486",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2015-01-29T01:01:34Z",
    "title_canon_sha256": "a3286051f1c53d141e98aa85aaee6b39a1d126f983c7031b3cace3605fdf1045"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.07320",
    "kind": "arxiv",
    "version": 2
  }
}