Pith Number

pith:FCRN4G7B

pith:2019:FCRN4G7BGCJGPYWXEGGN6ZJT2C

not attested not anchored not stored refs pending

Leavitt path algebras of hypergraphs

Raimund Preusser

arxiv:1902.08719 v1 · 2019-02-23 · 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{FCRN4G7BGCJGPYWXEGGN6ZJT2C}

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	2026-05-17T23:52:50.192034Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

28a2de1be1309267e2d7218cdf6533d0aa6878aa3dfdcdd91ac57f68efa3058d

Aliases

arxiv: 1902.08719 · arxiv_version: 1902.08719v1 · doi: 10.48550/arxiv.1902.08719 · pith_short_12: FCRN4G7BGCJG · pith_short_16: FCRN4G7BGCJGPYWX · pith_short_8: FCRN4G7B

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/FCRN4G7BGCJGPYWXEGGN6ZJT2C \
  | 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: 28a2de1be1309267e2d7218cdf6533d0aa6878aa3dfdcdd91ac57f68efa3058d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "638128b701de60947f925d4e59d258a83d8b14c1918204fbdf703a5f33556e81",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2019-02-23T02:34:23Z",
    "title_canon_sha256": "2e3205d5cb0a2c7bbfa37e1b0724a4a4bcbcf2bdd5ceb1a20587f5108aa9ad99"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.08719",
    "kind": "arxiv",
    "version": 1
  }
}