Pith Number

pith:F2WZYWE2

pith:2018:F2WZYWE2JWELLTK5VIYO3XBXUP

not attested not anchored not stored refs pending

Exponential Objects in Categories of Generalized Uniform Hypergraphs

Martin Schmidt

arxiv:1807.09345 v1 · 2018-07-24 · math.CO · math.CT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{F2WZYWE2JWELLTK5VIYO3XBXUP}

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	2026-05-18T00:09:51.614873Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2ead9c589a4d88b5cd5daa30eddc37a3c0a4197dc9093e6c912619bd0234b351

Aliases

arxiv: 1807.09345 · arxiv_version: 1807.09345v1 · doi: 10.48550/arxiv.1807.09345 · pith_short_12: F2WZYWE2JWEL · pith_short_16: F2WZYWE2JWELLTK5 · pith_short_8: F2WZYWE2

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/F2WZYWE2JWELLTK5VIYO3XBXUP \
  | 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: 2ead9c589a4d88b5cd5daa30eddc37a3c0a4197dc9093e6c912619bd0234b351

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "129cadd63802eee8b6842074a9389ae4812f3497c7638e77b9bebc80f4ab83e3",
    "cross_cats_sorted": [
      "math.CT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2018-07-24T20:57:19Z",
    "title_canon_sha256": "71e9d3f4fadea679631ed7c207a11ce06294024b7010543d589c2402f939923c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.09345",
    "kind": "arxiv",
    "version": 1
  }
}