Pith Number

pith:KMPWSB7J

pith:2018:KMPWSB7JFQYEOWE6VIOZPZ55DH

not attested not anchored not stored refs pending

Finite gentle repetitions of gentle algebras and their Avella-Alaminos--Geiss invariants

Hiroyuki Nakaoka

arxiv:1811.00775 v1 · 2018-11-02 · math.RA · math.RT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KMPWSB7JFQYEOWE6VIOZPZ55DH}

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	2026-05-18T00:01:42.196738Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

531f6907e92c3047589eaa1d97e7bd19c87a9b98c98509bd08723ad647d7d0ce

Aliases

arxiv: 1811.00775 · arxiv_version: 1811.00775v1 · doi: 10.48550/arxiv.1811.00775 · pith_short_12: KMPWSB7JFQYE · pith_short_16: KMPWSB7JFQYEOWE6 · pith_short_8: KMPWSB7J

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/KMPWSB7JFQYEOWE6VIOZPZ55DH \
  | 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: 531f6907e92c3047589eaa1d97e7bd19c87a9b98c98509bd08723ad647d7d0ce

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8512e5a1d79f983bcbe37f1ce2b88559aa1608668917d3ef4d71399d77f1bf63",
    "cross_cats_sorted": [
      "math.RT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2018-11-02T08:28:10Z",
    "title_canon_sha256": "7995326f485e6005410bb93e6c57d8ed6a2e5adcefcb6f234ec6e7816aae91b7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.00775",
    "kind": "arxiv",
    "version": 1
  }
}