Pith Number

pith:DDDPY7F5

pith:2017:DDDPY7F5SCS65CX3BO7IWG6AKY

not attested not anchored not stored refs pending

Total variation approximation of random orthogonal matrices by Gaussian matrices

Kathryn Stewart

arxiv:1704.06641 v3 · 2017-04-21 · math.PR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DDDPY7F5SCS65CX3BO7IWG6AKY}

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	2026-05-17T23:55:05.385918Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

18c6fc7cbd90a5ee8afb0bbe8b1bc056217c341aedd7bf1ee79418cecbb30186

Aliases

arxiv: 1704.06641 · arxiv_version: 1704.06641v3 · doi: 10.48550/arxiv.1704.06641 · pith_short_12: DDDPY7F5SCS6 · pith_short_16: DDDPY7F5SCS65CX3 · pith_short_8: DDDPY7F5

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/DDDPY7F5SCS65CX3BO7IWG6AKY \
  | 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: 18c6fc7cbd90a5ee8afb0bbe8b1bc056217c341aedd7bf1ee79418cecbb30186

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f29dcf7fa54e5dd70aa3c6b370100bbe590ba25c6547380d5a4e108867c70144",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.PR",
    "submitted_at": "2017-04-21T17:20:43Z",
    "title_canon_sha256": "5b0ff9704e6360bc117b5bbd426a6be7f75b121ffdccb5cc65111efe4e5aeb2e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.06641",
    "kind": "arxiv",
    "version": 3
  }
}