Pith Number

pith:QWRKY4RQ

pith:2014:QWRKY4RQYRQHGDBTQZ224NWEG4

not attested not anchored not stored refs pending

Lyndon words for Artin-Schelter regular algebras

D.-M. Lu, G.-S. Zhou

arxiv:1403.0385 v1 · 2014-03-03 · math.RA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QWRKY4RQYRQHGDBTQZ224NWEG4}

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	2026-05-18T02:57:25.030067Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

85a2ac7230c460730c338675ae36c4373b34288f3370a65783bdf8497454e0ce

Aliases

arxiv: 1403.0385 · arxiv_version: 1403.0385v1 · doi: 10.48550/arxiv.1403.0385 · pith_short_12: QWRKY4RQYRQH · pith_short_16: QWRKY4RQYRQHGDBT · pith_short_8: QWRKY4RQ

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/QWRKY4RQYRQHGDBTQZ224NWEG4 \
  | 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: 85a2ac7230c460730c338675ae36c4373b34288f3370a65783bdf8497454e0ce

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b822c09211b99b0d2869b3370b8596b269714ac5dc07b57300de20fb7665fb6f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2014-03-03T11:01:42Z",
    "title_canon_sha256": "926f8d6777346699464f5cba2840e2b2088b62ca1447598a65b54e434c2c0229"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.0385",
    "kind": "arxiv",
    "version": 1
  }
}