Pith Number

pith:FRAINMM3

pith:2016:FRAINMM3KUGWHDSBLPJ3I5RULD

not attested not anchored not stored refs pending

Universal central extensions of superdialgebras of matrices

Manuel Ladra, Xabier Garc\'ia-Mart\'inez

arxiv:1602.04507 v1 · 2016-02-14 · 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{FRAINMM3KUGWHDSBLPJ3I5RULD}

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	2026-05-18T01:20:49.765305Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2c4086b19b550d638e415bd3b4763458c8906567e1c4d77fee0c650ef5b641ce

Aliases

arxiv: 1602.04507 · arxiv_version: 1602.04507v1 · doi: 10.48550/arxiv.1602.04507 · pith_short_12: FRAINMM3KUGW · pith_short_16: FRAINMM3KUGWHDSB · pith_short_8: FRAINMM3

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/FRAINMM3KUGWHDSBLPJ3I5RULD \
  | 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: 2c4086b19b550d638e415bd3b4763458c8906567e1c4d77fee0c650ef5b641ce

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eea38804c21ba1111273192c1b3a9c7dafc046328bea5abb4f68abf6eba45a03",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2016-02-14T21:01:00Z",
    "title_canon_sha256": "e35b3d175f7dc9d3fabd6573b66ff68e3012aaf6bc1b49d6e1938f28d4f54135"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.04507",
    "kind": "arxiv",
    "version": 1
  }
}