Pith Number

pith:MHDMWEVH

pith:2023:MHDMWEVHO5ENI6EC3GHVIMCVZG

not attested not anchored not stored refs pending

Sparse topic modeling via spectral decomposition and thresholding

Claire Donnat, Huy Tran, Yating Liu

arxiv:2310.06730 v1 · 2023-10-10 · stat.ME

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MHDMWEVHO5ENI6EC3GHVIMCVZG}

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.

Cited by

1 paper in Pith

Tensor Topic Modeling Via HOSVD

Receipt and verification

First computed	2026-07-05T06:59:15.305645Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

61c6cb12a77748d47882d98f543055c9ac43eda85d726be67e5e8fa7c26b733a

Aliases

arxiv: 2310.06730 · arxiv_version: 2310.06730v1 · doi: 10.48550/arxiv.2310.06730 · pith_short_12: MHDMWEVHO5EN · pith_short_16: MHDMWEVHO5ENI6EC · pith_short_8: MHDMWEVH

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/MHDMWEVHO5ENI6EC3GHVIMCVZG \
  | 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: 61c6cb12a77748d47882d98f543055c9ac43eda85d726be67e5e8fa7c26b733a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "34d5f7c36e6ed43c76e86a2a3f326b8af18e41335f163110362ed83a0900c922",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2023-10-10T15:54:20Z",
    "title_canon_sha256": "064acbd4a1f9ba4698142a4d922b49ab56094c7c8057f9076f50f1f764e0ed92"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2310.06730",
    "kind": "arxiv",
    "version": 1
  }
}