Pith Number

pith:A2VF65BD

pith:2021:A2VF65BDJZLQ75JYMNTWSDKP7U

not attested not anchored not stored refs pending

A Generalized Hierarchical Nonnegative Tensor Decomposition

Deanna Needell, Jamie Haddock, Joshua Vendrow

arxiv:2109.14820 v2 · 2021-09-30 · 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{A2VF65BDJZLQ75JYMNTWSDKP7U}

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	2026-07-05T03:56:50.406883Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

06aa5f74234e570ff5386367690d4ffd015778823b8493fbf0eee7406cc3ca0f

Aliases

arxiv: 2109.14820 · arxiv_version: 2109.14820v2 · doi: 10.48550/arxiv.2109.14820 · pith_short_12: A2VF65BDJZLQ · pith_short_16: A2VF65BDJZLQ75JY · pith_short_8: A2VF65BD

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/A2VF65BDJZLQ75JYMNTWSDKP7U \
  | 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: 06aa5f74234e570ff5386367690d4ffd015778823b8493fbf0eee7406cc3ca0f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "62c772c7448dd4654a8ca81449017409ca2dd8532c6b5bc06b5c95f1405775e0",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2021-09-30T03:00:41Z",
    "title_canon_sha256": "a1b6479818aea11917c43cd784715cba262c4d59dde794daeaf7c5cad9401ec3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.14820",
    "kind": "arxiv",
    "version": 2
  }
}