Pith Number

pith:AL2PJ4IK

pith:1999:AL2PJ4IK2T24ULSR363YKTOWAD

not attested not anchored not stored refs pending

Two-Dimensional Centrally Extended Quantum Galilei Groups and their Algebras

Anna Opanowicz

arxiv:math/9905141 v1 · 1999-05-21 · math.QA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AL2PJ4IK2T24ULSR363YKTOWAD}

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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.

Cited by

1 paper in Pith

Universal $T$-matrices for quantum Poincar\'e groups: contractions and quantum reference frames

Receipt and verification

First computed	2026-05-18T04:12:34.241521Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

02f4f4f10ad4f5ca2e51dfb7854dd600ea6aca30753dba4c045b6986e02e529c

Aliases

arxiv: math/9905141 · arxiv_version: math/9905141v1 · doi: 10.48550/arxiv.math/9905141 · pith_short_12: AL2PJ4IK2T24 · pith_short_16: AL2PJ4IK2T24ULSR · pith_short_8: AL2PJ4IK

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/AL2PJ4IK2T24ULSR363YKTOWAD \
  | 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: 02f4f4f10ad4f5ca2e51dfb7854dd600ea6aca30753dba4c045b6986e02e529c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "24127582d74bef2d5ba6093067e38712d720450d30272c58dd9adae4f4b1301a",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "math.QA",
    "submitted_at": "1999-05-21T17:29:07Z",
    "title_canon_sha256": "8fcde0e69689332ad2f074a0586b48b14a04f36de4c8ddb5753ec1d1f2828f30"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/9905141",
    "kind": "arxiv",
    "version": 1
  }
}