Pith Number

pith:XMMD74IX

pith:2015:XMMD74IXRNK4OHEUGH5VQSSMGP

not attested not anchored not stored refs pending

The $q$-Onsager algebra and the positive part of $U_q({\widehat{\mathfrak{sl}}}_2)$

Paul Terwilliger

arxiv:1506.08666 v1 · 2015-06-29 · 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{XMMD74IXRNK4OHEUGH5VQSSMGP}

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.

Cited by

1 paper in Pith

The alternating central extension for the positive part of $U_q(\widehat{\mathfrak{sl}}_2)$

Receipt and verification

First computed	2026-05-18T01:37:43.685409Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bb183ff1178b55c71c9431fb584a4c33e50848f119169be329e30b88e10ed2e1

Aliases

arxiv: 1506.08666 · arxiv_version: 1506.08666v1 · doi: 10.48550/arxiv.1506.08666 · pith_short_12: XMMD74IXRNK4 · pith_short_16: XMMD74IXRNK4OHEU · pith_short_8: XMMD74IX

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/XMMD74IXRNK4OHEUGH5VQSSMGP \
  | 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: bb183ff1178b55c71c9431fb584a4c33e50848f119169be329e30b88e10ed2e1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "067347635870ef77b8ac0cd470319fa22354d725d093bd3586897d6599a02414",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.QA",
    "submitted_at": "2015-06-29T14:56:26Z",
    "title_canon_sha256": "89b46c21042a28a332fc8b0a77902bd48af7c3f8be03a93ca25e945a7abbc933"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.08666",
    "kind": "arxiv",
    "version": 1
  }
}