Pith Number

pith:AD4NWPMT

pith:2026:AD4NWPMTY6NPYVO4BSJBBFZJNV

not attested not anchored not stored refs pending

Precise sample covariance spectral norm error -- an RDT view

Mihailo Stojnic

arxiv:2607.14460 v1 · 2026-07-16 · math.ST · cs.IT · math.IT · math.PR · stat.ML · stat.TH

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AD4NWPMTY6NPYVO4BSJBBFZJNV}

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	2026-07-17T00:21:13.576499Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

00f8db3d93c79afc55dc0c921097296d44845d8cba3397b3bd50364c0fef6e27

Aliases

arxiv: 2607.14460 · arxiv_version: 2607.14460v1 · doi: 10.48550/arxiv.2607.14460 · pith_short_12: AD4NWPMTY6NP · pith_short_16: AD4NWPMTY6NPYVO4 · pith_short_8: AD4NWPMT

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/AD4NWPMTY6NPYVO4BSJBBFZJNV \
  | 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: 00f8db3d93c79afc55dc0c921097296d44845d8cba3397b3bd50364c0fef6e27

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0524bcdbfa0431d3b633600f960cd87320b4f36577ded7a5aee3bf4702877ebf",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT",
      "math.PR",
      "stat.ML",
      "stat.TH"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2026-07-16T01:16:31Z",
    "title_canon_sha256": "b1aaae00e9510c7cb3d40841d186403e2927bc67fb1167f347832bee54fe9b86"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.14460",
    "kind": "arxiv",
    "version": 1
  }
}