Pith Number

pith:JKSTKE5D

pith:2015:JKSTKE5DMC6FCWHZDMIZZGU7NZ

not attested not anchored not stored refs pending

The derived equivalence classification of gentle two-cycle algebras

Grzegorz Bobinski

arxiv:1509.08631 v1 · 2015-09-29 · 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{JKSTKE5DMC6FCWHZDMIZZGU7NZ}

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	2026-05-18T01:31:47.454871Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4aa53513a360bc5158f91b119c9a9f6e68f1be965c15f02e6b5bf8ed7c7efb49

Aliases

arxiv: 1509.08631 · arxiv_version: 1509.08631v1 · doi: 10.48550/arxiv.1509.08631 · pith_short_12: JKSTKE5DMC6F · pith_short_16: JKSTKE5DMC6FCWHZ · pith_short_8: JKSTKE5D

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/JKSTKE5DMC6FCWHZDMIZZGU7NZ \
  | 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: 4aa53513a360bc5158f91b119c9a9f6e68f1be965c15f02e6b5bf8ed7c7efb49

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0831e57e98b10149c4ba0561130321871f5090c5989139829addf71e6df7992f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RT",
    "submitted_at": "2015-09-29T08:20:27Z",
    "title_canon_sha256": "9cd729122c2abdeacca136297d659723a95e8d0ac57f8d62dc33566789707275"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.08631",
    "kind": "arxiv",
    "version": 1
  }
}