Pith Number

pith:EPOSQODC

pith:2013:EPOSQODC33L7N6S4AMHCC4IXJK

not attested not anchored not stored refs pending

Equivalence and congruence of matrices under the action of standard parabolic subgroups

Fernando Szechtman

arxiv:1308.4624 v1 · 2013-08-21 · 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{EPOSQODC33L7N6S4AMHCC4IXJK}

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	2026-05-18T03:15:21.479833Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

23dd283862ded7f6fa5c030e2171174ab4fd47f3d9611ec46937499b98703d9a

Aliases

arxiv: 1308.4624 · arxiv_version: 1308.4624v1 · doi: 10.48550/arxiv.1308.4624 · pith_short_12: EPOSQODC33L7 · pith_short_16: EPOSQODC33L7N6S4 · pith_short_8: EPOSQODC

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/EPOSQODC33L7N6S4AMHCC4IXJK \
  | 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: 23dd283862ded7f6fa5c030e2171174ab4fd47f3d9611ec46937499b98703d9a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0597c9b083361a0e8dc66ebba1252eda27b13f8cd36eeaf9fabc6bdace0ac587",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2013-08-21T16:27:06Z",
    "title_canon_sha256": "9c3de8fd47939a42ad2b85f8a156cb6bf7e633a3fe37e0547a0bf0d1cd67f03b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.4624",
    "kind": "arxiv",
    "version": 1
  }
}