Pith Number

pith:DW4NDRPT

pith:2015:DW4NDRPTRORFNH4IVVMMFHLF2C

not attested not anchored not stored refs pending

Bayesian Covariance Modelling of Large Tensor-Variate Data Sets $\&$ Inverse Non-parametric Learning of the Unknown Model Parameter Vector

Dalia Chakrabarty, Kangrui Wang

arxiv:1512.05538 v1 · 2015-12-17 · stat.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DW4NDRPTRORFNH4IVVMMFHLF2C}

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	2026-05-18T01:24:09.818171Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1db8d1c5f38ba2569f88ad58c29d65d0b512207d7e356b342c3284b178fc10e6

Aliases

arxiv: 1512.05538 · arxiv_version: 1512.05538v1 · doi: 10.48550/arxiv.1512.05538 · pith_short_12: DW4NDRPTRORF · pith_short_16: DW4NDRPTRORFNH4I · pith_short_8: DW4NDRPT

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/DW4NDRPTRORFNH4IVVMMFHLF2C \
  | 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: 1db8d1c5f38ba2569f88ad58c29d65d0b512207d7e356b342c3284b178fc10e6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ab66e8b2c837d35dfadaac4a95c2ac03fd9acd64d3f3d1ceae5e09fa91abbf22",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.AP",
    "submitted_at": "2015-12-17T11:24:48Z",
    "title_canon_sha256": "2d37e742e4ca98745cb63f6bb0b5a312eb77dbfe93f60d6c60147154076ffb0b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.05538",
    "kind": "arxiv",
    "version": 1
  }
}