Pith Number

pith:2GSSJFHS

pith:2017:2GSSJFHSJTPOMWL6F5U33QAZNH

not attested not anchored not stored refs pending

Symplectic spaces and pairs of symmetric and nonsingular skew-symmetric matrices under congruence

Mohamed A. Salim, Roger A. Horn, Victor A. Bovdi, Vladimir V. Sergeichuk

arxiv:1709.10350 v1 · 2017-09-29 · 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{2GSSJFHSJTPOMWL6F5U33QAZNH}

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	2026-05-18T00:34:03.446453Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d1a52494f24cdee6597e2f69bdc01969d3be1fb95848ef8b247f0dec079a7c3e

Aliases

arxiv: 1709.10350 · arxiv_version: 1709.10350v1 · doi: 10.48550/arxiv.1709.10350 · pith_short_12: 2GSSJFHSJTPO · pith_short_16: 2GSSJFHSJTPOMWL6 · pith_short_8: 2GSSJFHS

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/2GSSJFHSJTPOMWL6F5U33QAZNH \
  | 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: d1a52494f24cdee6597e2f69bdc01969d3be1fb95848ef8b247f0dec079a7c3e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a2f0838cb8a57fb04c5c1beb277450f942928184480afdc4af0c16d6fe848223",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RT",
    "submitted_at": "2017-09-29T11:52:26Z",
    "title_canon_sha256": "0d3ee6dc37877642713f503c65cf5accff0ae939e1756b8a5f70adf9ee76035a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.10350",
    "kind": "arxiv",
    "version": 1
  }
}