Pith Number

pith:IIWPC6TX

pith:2010:IIWPC6TXZLM27VO3KIQFGHTSJG

not attested not anchored not stored refs pending

Criterion of unitary similarity for upper triangular matrices in general position

Douglas Farenick, Nadya Shvai, Tatiana G. Gerasimova, Vladimir V. Sergeichuk, Vyacheslav Futorny

arxiv:1011.0040 v1 · 2010-10-30 · 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{IIWPC6TXZLM27VO3KIQFGHTSJG}

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	2026-05-18T04:10:48.306579Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

422cf17a77cad9afd5db5220531e7249870c77a12bc6c868b7d13dd712b7887c

Aliases

arxiv: 1011.0040 · arxiv_version: 1011.0040v1 · doi: 10.48550/arxiv.1011.0040 · pith_short_12: IIWPC6TXZLM2 · pith_short_16: IIWPC6TXZLM27VO3 · pith_short_8: IIWPC6TX

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/IIWPC6TXZLM27VO3KIQFGHTSJG \
  | 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: 422cf17a77cad9afd5db5220531e7249870c77a12bc6c868b7d13dd712b7887c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d2ab9a1d8c8bd07095fc54279d7e26613a008aaa966290b89dc91a3c2e8dd49c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RT",
    "submitted_at": "2010-10-30T02:55:39Z",
    "title_canon_sha256": "0682bea7d99301ae8c7b7f787e3835a2594122c92f16ea5490a7afbe0a6011be"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1011.0040",
    "kind": "arxiv",
    "version": 1
  }
}