Pith Number

pith:XZHSBLP7

pith:2012:XZHSBLP77RG4E6VRDCCAYX7JXM

not attested not anchored not stored refs pending

A topological approach to left eigenvalues of quaternionic matrices

E. Mac\'ias-Virg\'os, M. J. Pereira-S\'aez

arxiv:1210.3009 v1 · 2012-10-10 · 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{XZHSBLP77RG4E6VRDCCAYX7JXM}

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	2026-05-18T03:43:30.821850Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

be4f20adfffc4dc27ab118840c5fe9bb37069622508bd9d143c5f02ed312c0f3

Aliases

arxiv: 1210.3009 · arxiv_version: 1210.3009v1 · doi: 10.48550/arxiv.1210.3009 · pith_short_12: XZHSBLP77RG4 · pith_short_16: XZHSBLP77RG4E6VR · pith_short_8: XZHSBLP7

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/XZHSBLP77RG4E6VRDCCAYX7JXM \
  | 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: be4f20adfffc4dc27ab118840c5fe9bb37069622508bd9d143c5f02ed312c0f3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2d7c0b76f45260677337e92bdd10d8a14668feca9103c6f38b22130dc82b339d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2012-10-10T19:22:22Z",
    "title_canon_sha256": "2a44ca0d1e5017f9489123c83ca8bc3fcf6283c20e9014487ad5fede3656b8e0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.3009",
    "kind": "arxiv",
    "version": 1
  }
}