Pith Number

pith:BXZ4EYFR

pith:2013:BXZ4EYFR7SP2F5SHBHCBRG46TJ

not attested not anchored not stored refs pending

Classical r-matrices via semidualisation

Bernd J Schroers, Prince K Osei

arxiv:1307.6485 v2 · 2013-07-24 · math-ph · gr-qc · hep-th · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BXZ4EYFR7SP2F5SHBHCBRG46TJ}

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	2026-05-18T01:48:40.546798Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0df3c260b1fc9fa2f64709c4189b9e9a6217daccef5dcd4f6147559640a27cb1

Aliases

arxiv: 1307.6485 · arxiv_version: 1307.6485v2 · doi: 10.48550/arxiv.1307.6485 · pith_short_12: BXZ4EYFR7SP2 · pith_short_16: BXZ4EYFR7SP2F5SH · pith_short_8: BXZ4EYFR

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/BXZ4EYFR7SP2F5SHBHCBRG46TJ \
  | 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: 0df3c260b1fc9fa2f64709c4189b9e9a6217daccef5dcd4f6147559640a27cb1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "275819849733d84807b5e8b1ec751b1a7c1a0b05b03430040e5d019c519cdf32",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-th",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2013-07-24T16:42:56Z",
    "title_canon_sha256": "8c08835c557e43d9f3db162406141c1f8b3bb4e2f819f436436889aeb94f2e0b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.6485",
    "kind": "arxiv",
    "version": 2
  }
}