Pith Number

pith:4WLPAP3K

pith:2015:4WLPAP3K5XFYAMDEP3HD2WOP5X

not attested not anchored not stored refs pending

A Flexible and Efficient Algorithmic Framework for Constrained Matrix and Tensor Factorization

Athanasios P. Liavas, Kejun Huang, Nicholas D. Sidiropoulos

arxiv:1506.04209 v2 · 2015-06-13 · stat.ML · cs.LG · math.OC · stat.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4WLPAP3K5XFYAMDEP3HD2WOP5X}

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	2026-05-18T01:08:13.271942Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e596f03f6aedcb8030647ece3d59cfedca42027c7be8a8bb5dd040e80d07678c

Aliases

arxiv: 1506.04209 · arxiv_version: 1506.04209v2 · doi: 10.48550/arxiv.1506.04209 · pith_short_12: 4WLPAP3K5XFY · pith_short_16: 4WLPAP3K5XFYAMDE · pith_short_8: 4WLPAP3K

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/4WLPAP3K5XFYAMDEP3HD2WOP5X \
  | 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: e596f03f6aedcb8030647ece3d59cfedca42027c7be8a8bb5dd040e80d07678c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cea888f17cd768d56f71287fa51afd660114b63dec2dc66404793513633a800d",
    "cross_cats_sorted": [
      "cs.LG",
      "math.OC",
      "stat.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2015-06-13T01:42:05Z",
    "title_canon_sha256": "5ad569862243929487a56eb3581de77d9a25137429169d92df0f713b8a8c3f74"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.04209",
    "kind": "arxiv",
    "version": 2
  }
}