Pith Number

pith:FPF5CAOO

pith:2015:FPF5CAOOR45EXMT4HS3HR7AHNI

not attested not anchored not stored refs pending

$n$-angulated categories from self-injective algebras

Zengqiang Lin

arxiv:1509.06147 v1 · 2015-09-21 · math.RT · 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{FPF5CAOOR45EXMT4HS3HR7AHNI}

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	2026-05-18T01:32:35.691085Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2bcbd101ce8f3a4bb27c3cb678fc076a276e57bda235871d2cea93b94e86ca1d

Aliases

arxiv: 1509.06147 · arxiv_version: 1509.06147v1 · doi: 10.48550/arxiv.1509.06147 · pith_short_12: FPF5CAOOR45E · pith_short_16: FPF5CAOOR45EXMT4 · pith_short_8: FPF5CAOO

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/FPF5CAOOR45EXMT4HS3HR7AHNI \
  | 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: 2bcbd101ce8f3a4bb27c3cb678fc076a276e57bda235871d2cea93b94e86ca1d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5462aa2a3449f4783629a650e2fdd5e89385811c09783c7c51bdf66dc029c391",
    "cross_cats_sorted": [
      "math.RA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RT",
    "submitted_at": "2015-09-21T08:45:44Z",
    "title_canon_sha256": "f20c3b724c841960388f23eca90ad808353aa57cda945784a90f51ddc1e58394"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.06147",
    "kind": "arxiv",
    "version": 1
  }
}