Pith Number

pith:NREQYBNL

pith:2017:NREQYBNLD23JBG3HHY6WEJPCB4

not attested not anchored not stored refs pending

Fast, Accurate, and Scalable Method for Sparse Coupled Matrix-Tensor Factorization

Dongjin Choi, Jun-Gi Jang, U Kang

arxiv:1708.08640 v6 · 2017-08-29 · 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{NREQYBNLD23JBG3HHY6WEJPCB4}

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	2026-05-18T00:28:52.933546Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6c490c05ab1eb6909b673e3d6225e20f197ba222884207c2be7f3c5e534c4eb4

Aliases

arxiv: 1708.08640 · arxiv_version: 1708.08640v6 · doi: 10.48550/arxiv.1708.08640 · pith_short_12: NREQYBNLD23J · pith_short_16: NREQYBNLD23JBG3H · pith_short_8: NREQYBNL

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/NREQYBNLD23JBG3HHY6WEJPCB4 \
  | 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: 6c490c05ab1eb6909b673e3d6225e20f197ba222884207c2be7f3c5e534c4eb4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2a156c5bfd8353f3963c9bcdf394d806ec1b3a00810a9f3365bd8be5d1b4275d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NA",
    "submitted_at": "2017-08-29T08:38:06Z",
    "title_canon_sha256": "13ebdc8aafef89a455c932430b134e2663a31bb3428f912c54b1cdde62bd6763"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.08640",
    "kind": "arxiv",
    "version": 6
  }
}