Pith Number

pith:H33SZXA7

pith:2022:H33SZXA7PNJHBFM3RNDN4UEWYV

not attested not anchored not stored refs pending

Kronecker-structured Covariance Models for Multiway Data

Alfred Hero, Dogyoon Song, Yu Wang, Zeyu Sun

arxiv:2212.01721 v1 · 2022-12-04 · 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{H33SZXA7PNJHBFM3RNDN4UEWYV}

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	2026-07-05T05:22:15.755254Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3ef72cdc1f7b5270959b8b46de5096c54adf7507e19e11c4c6181be7f2cbb418

Aliases

arxiv: 2212.01721 · arxiv_version: 2212.01721v1 · doi: 10.48550/arxiv.2212.01721 · pith_short_12: H33SZXA7PNJH · pith_short_16: H33SZXA7PNJHBFM3 · pith_short_8: H33SZXA7

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/H33SZXA7PNJHBFM3RNDN4UEWYV \
  | 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: 3ef72cdc1f7b5270959b8b46de5096c54adf7507e19e11c4c6181be7f2cbb418

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "59dc69ed7516c5969cedcac0d68f211b1cb5645508ae1a9ad3309b3a1be23423",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2022-12-04T01:51:20Z",
    "title_canon_sha256": "5db60b673c66a9cd267a259c35d41e322933d2b98c0a7678dff727781764fc20"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2212.01721",
    "kind": "arxiv",
    "version": 1
  }
}