Pith Number

pith:ERSKRDQK

pith:2018:ERSKRDQKFSYYPA75S4WLILXZGQ

not attested not anchored not stored refs pending

PBW bases for some 3-dimensional skew polynomial algebras

Armando Reyes, H\'ector Su\'arez

arxiv:1805.03489 v1 · 2018-05-09 · 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{ERSKRDQKFSYYPA75S4WLILXZGQ}

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	2026-05-18T00:16:20.088160Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2464a88e0a2cb18783fd972cb42ef93422b4c3e96c758107f4cf800a8cd46931

Aliases

arxiv: 1805.03489 · arxiv_version: 1805.03489v1 · doi: 10.48550/arxiv.1805.03489 · pith_short_12: ERSKRDQKFSYY · pith_short_16: ERSKRDQKFSYYPA75 · pith_short_8: ERSKRDQK

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/ERSKRDQKFSYYPA75S4WLILXZGQ \
  | 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: 2464a88e0a2cb18783fd972cb42ef93422b4c3e96c758107f4cf800a8cd46931

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e433a58ac844b436672f7c4cc9e9bdc8b1f6db1c9ee904274f8fdb4e698db41e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.QA",
    "submitted_at": "2018-05-09T12:51:29Z",
    "title_canon_sha256": "4cf8ff2e5c8f46a8e6e80afa7dbf0c4320554555a41a8ab3973c75f9b7236b66"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.03489",
    "kind": "arxiv",
    "version": 1
  }
}