Pith Number

pith:EBGV7SLM

pith:2017:EBGV7SLMZVBNU6LZXTMGOPRN7L

not attested not anchored not stored refs pending

Reduction of a pair of skew-symmetric matrices to its canonical form under congruence

M.A. Salim, T.G. Gerasimova, V.A. Bovdi, V.V. Sergeichuk

arxiv:1712.08729 v1 · 2017-12-23 · 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{EBGV7SLMZVBNU6LZXTMGOPRN7L}

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	2026-05-18T00:27:16.948515Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

204d5fc96ccd42da7979bcd8673e2dfac467a4aeb95e3dc88141f18bb426b0cd

Aliases

arxiv: 1712.08729 · arxiv_version: 1712.08729v1 · doi: 10.48550/arxiv.1712.08729 · pith_short_12: EBGV7SLMZVBN · pith_short_16: EBGV7SLMZVBNU6LZ · pith_short_8: EBGV7SLM

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/EBGV7SLMZVBNU6LZXTMGOPRN7L \
  | 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: 204d5fc96ccd42da7979bcd8673e2dfac467a4aeb95e3dc88141f18bb426b0cd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f8278f5c58a370387794622d3a2114daeaec37845230a75c5b7995407c77e32c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RT",
    "submitted_at": "2017-12-23T07:58:43Z",
    "title_canon_sha256": "42ecebc8decffbf790f6ce9563bdd558b581d2a233742fdd11b181fa81e8675d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.08729",
    "kind": "arxiv",
    "version": 1
  }
}