Pith Number

pith:7XHLUAVR

pith:2018:7XHLUAVREQJVYYNPHWN52AKA2W

not attested not anchored not stored refs pending

Burchnall-Chaundy theory for skew Poincar\'e-Birkhoff-Witt extensions

Armando Reyes, H\'ector Su\'arez

arxiv:1805.11448 v1 · 2018-05-26 · 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{7XHLUAVREQJVYYNPHWN52AKA2W}

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	2026-05-18T00:14:42.520432Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fdceba02b124135c61af3d9bdd0140d587cd8a3f36e57fe0c55f2012cc8e4055

Aliases

arxiv: 1805.11448 · arxiv_version: 1805.11448v1 · doi: 10.48550/arxiv.1805.11448 · pith_short_12: 7XHLUAVREQJV · pith_short_16: 7XHLUAVREQJVYYNP · pith_short_8: 7XHLUAVR

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/7XHLUAVREQJVYYNPHWN52AKA2W \
  | 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: fdceba02b124135c61af3d9bdd0140d587cd8a3f36e57fe0c55f2012cc8e4055

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "75f8df93cbcd22d818c78409801945ac2f99f47b1f94e683fd672697796be1f0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.QA",
    "submitted_at": "2018-05-26T10:27:54Z",
    "title_canon_sha256": "47fd0510ae197857a79cfa9a920b9c148d77ad631dff262acc2f32ed17ae0c50"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.11448",
    "kind": "arxiv",
    "version": 1
  }
}