Pith Number

pith:QNITJWJA

pith:2015:QNITJWJAVOUG4WAWQDYF2FTRFW

not attested not anchored not stored refs pending

The algebra ${\cal A}_q$, $q-$Onsager algebras and coideal subalgebras: two open problems

Pascal Baseilhac

arxiv:1512.02975 v1 · 2015-12-09 · math.QA · math-ph · 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{QNITJWJAVOUG4WAWQDYF2FTRFW}

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	2026-05-18T01:24:39.132120Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

835134d920aba86e581680f05d16712d8d45b6943b85e5b399cc900b0ec92132

Aliases

arxiv: 1512.02975 · arxiv_version: 1512.02975v1 · doi: 10.48550/arxiv.1512.02975 · pith_short_12: QNITJWJAVOUG · pith_short_16: QNITJWJAVOUG4WAW · pith_short_8: QNITJWJA

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/QNITJWJAVOUG4WAWQDYF2FTRFW \
  | 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: 835134d920aba86e581680f05d16712d8d45b6943b85e5b399cc900b0ec92132

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "49a90238f93d9348c0296c3b5e41235e889723b78153a4d2c077eb7887554909",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.QA",
    "submitted_at": "2015-12-09T18:15:20Z",
    "title_canon_sha256": "3fbfb94fcfd1719fa5918bc106dceffef7f7788e13fa2ea9f89f7be7a634115b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.02975",
    "kind": "arxiv",
    "version": 1
  }
}