Pith Number

pith:IFT66233

pith:2022:IFT66233F6E5MQ2NP7XU7CKURI

not attested not anchored not stored refs pending

Tucker tensor factor models: matricization and mode-wise PCA estimation

Catherine C. Liu, Guodong Li, Jianhua Guo, Xu Zhang

arxiv:2206.02508 v4 · 2022-06-06 · 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{IFT66233F6E5MQ2NP7XU7CKURI}

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	2026-07-05T09:48:28.319194Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4167ef6b7b2f89d6434d7fef4f89548a200398f335856c40737f559b05a156bb

Aliases

arxiv: 2206.02508 · arxiv_version: 2206.02508v4 · doi: 10.48550/arxiv.2206.02508 · pith_short_12: IFT66233F6E5 · pith_short_16: IFT66233F6E5MQ2N · pith_short_8: IFT66233

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/IFT66233F6E5MQ2NP7XU7CKURI \
  | 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: 4167ef6b7b2f89d6434d7fef4f89548a200398f335856c40737f559b05a156bb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2bcc15590f3d9a96522dc4e1efca6b7084d042fa4b7e4ff037f6d71d566ab281",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2022-06-06T11:41:02Z",
    "title_canon_sha256": "036605b8f20d999a66bcfb7362fc0527950fdec174c5adb810835b5b2b019333"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2206.02508",
    "kind": "arxiv",
    "version": 4
  }
}