Pith Number

pith:6CVY7IKU

pith:2018:6CVY7IKUDMESBTQZ4OB3BA2E6K

not attested not anchored not stored refs pending

Determinants of Block Matrices with Noncommuting Blocks

Nat Sothanaphan

arxiv:1805.06027 v1 · 2018-05-15 · math.RA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6CVY7IKUDMESBTQZ4OB3BA2E6K}

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	2026-05-18T00:15:49.125463Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f0ab8fa1541b0920ce19e383b08344f28ac296f10671b21656d2b2af346a861d

Aliases

arxiv: 1805.06027 · arxiv_version: 1805.06027v1 · doi: 10.48550/arxiv.1805.06027 · pith_short_12: 6CVY7IKUDMES · pith_short_16: 6CVY7IKUDMESBTQZ · pith_short_8: 6CVY7IKU

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/6CVY7IKUDMESBTQZ4OB3BA2E6K \
  | 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: f0ab8fa1541b0920ce19e383b08344f28ac296f10671b21656d2b2af346a861d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8212199e21705808496ceb391d8c2236f26505ec09889f4885bf77cc96be267a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2018-05-15T20:29:30Z",
    "title_canon_sha256": "64c8957c2b2bf5dc554f7737992fbcc6f1812c3cbecfe9b08040cfad1c2fff73"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.06027",
    "kind": "arxiv",
    "version": 1
  }
}