Pith Number

pith:SBGN3QBT

pith:2011:SBGN3QBTXSTSBH47LGODYHGYBJ

not attested not anchored not stored refs pending

A presentation of the trace algebra of three 3x3 matrices

Torsten Hoge

arxiv:1104.0904 v1 · 2011-04-05 · math.RA · math.AC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SBGN3QBTXSTSBH47LGODYHGYBJ}

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	2026-05-18T04:25:02.327304Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

904cddc033bca7209f9f599c3c1cd80a4425a6470cb0b2954db41bdca7bbb563

Aliases

arxiv: 1104.0904 · arxiv_version: 1104.0904v1 · doi: 10.48550/arxiv.1104.0904 · pith_short_12: SBGN3QBTXSTS · pith_short_16: SBGN3QBTXSTSBH47 · pith_short_8: SBGN3QBT

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/SBGN3QBTXSTSBH47LGODYHGYBJ \
  | 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: 904cddc033bca7209f9f599c3c1cd80a4425a6470cb0b2954db41bdca7bbb563

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "079d06205615339898fb6dc5e97ad2ce4658546ce8eeea67dfa6593b3073399a",
    "cross_cats_sorted": [
      "math.AC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2011-04-05T18:01:39Z",
    "title_canon_sha256": "b90a029edf63ac316174953fa4d022feccbc5e1c303e6db8006d1b08cdef14fb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.0904",
    "kind": "arxiv",
    "version": 1
  }
}