Pith Number

pith:WKVH35E5

pith:2009:WKVH35E5W72EFVWB2ZUSJJVY4M

not attested not anchored not stored refs pending

One class of wild but brick-tame matrix problems

Lesya Bodnarchuk, Yuriy Drozd

arxiv:0903.4374 v2 · 2009-03-25 · math.RT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WKVH35E5W72EFVWB2ZUSJJVY4M}

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	2026-05-18T04:04:07.141388Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b2aa7df49db7f442d6c1d66924a6b8e302c36da5f16e4e794b0ee3337e60bb0b

Aliases

arxiv: 0903.4374 · arxiv_version: 0903.4374v2 · doi: 10.48550/arxiv.0903.4374 · pith_short_12: WKVH35E5W72E · pith_short_16: WKVH35E5W72EFVWB · pith_short_8: WKVH35E5

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/WKVH35E5W72EFVWB2ZUSJJVY4M \
  | 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: b2aa7df49db7f442d6c1d66924a6b8e302c36da5f16e4e794b0ee3337e60bb0b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "934d76971f8c36c817a3a35483f2da1c1b6d3f39087d71c2e0887f379295691c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RT",
    "submitted_at": "2009-03-25T15:37:54Z",
    "title_canon_sha256": "5941838b34d4cb3c7d69564c60f3a610cc67fbe88785f15080ec356f7b654e1a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0903.4374",
    "kind": "arxiv",
    "version": 2
  }
}