Pith Number

pith:4JGMPLDY

pith:2016:4JGMPLDYZVBHJ3MFJM5QNBTHD7

not attested not anchored not stored refs pending

Isomorphisms of non noetherian down-up algebras

Andrea Solotar, Sergio Chouhy

arxiv:1611.02645 v1 · 2016-11-08 · 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{4JGMPLDYZVBHJ3MFJM5QNBTHD7}

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	2026-05-18T00:59:51.352210Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e24cc7ac78cd4274ed854b3b0686671ffbffa0e7756584f145f5b6ac445aab63

Aliases

arxiv: 1611.02645 · arxiv_version: 1611.02645v1 · doi: 10.48550/arxiv.1611.02645 · pith_short_12: 4JGMPLDYZVBH · pith_short_16: 4JGMPLDYZVBHJ3MF · pith_short_8: 4JGMPLDY

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/4JGMPLDYZVBHJ3MFJM5QNBTHD7 \
  | 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: e24cc7ac78cd4274ed854b3b0686671ffbffa0e7756584f145f5b6ac445aab63

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "94160a3d4db7c2596d43037915d0dd492c013a738d7abaee65e8a2fa3a0f6e09",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2016-11-08T18:25:34Z",
    "title_canon_sha256": "592f4bb40bd21fd66eed0da2563f939838c0df6334795cbabb0a0ab4f823cfc4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1611.02645",
    "kind": "arxiv",
    "version": 1
  }
}