Pith Number

pith:RXMACHLO

pith:2019:RXMACHLOSGGCDZACKOPGJ7KKCP

not attested not anchored not stored refs pending

Calculation Rules and Cancellation Rules for Strong Hom-Schemes

Frank a Campo

arxiv:1908.05681 v1 · 2019-08-15 · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RXMACHLOSGGCDZACKOPGJ7KKCP}

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	2026-07-04T23:57:52.387583Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8dd8011d6e918c21e402539e64fd4a13d64a02df95d6ebc0c8cf724e87f3b84f

Aliases

arxiv: 1908.05681 · arxiv_version: 1908.05681v1 · doi: 10.48550/arxiv.1908.05681 · pith_short_12: RXMACHLOSGGC · pith_short_16: RXMACHLOSGGCDZAC · pith_short_8: RXMACHLO

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/RXMACHLOSGGCDZACKOPGJ7KKCP \
  | 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: 8dd8011d6e918c21e402539e64fd4a13d64a02df95d6ebc0c8cf724e87f3b84f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d9362801b5058afe7e642ecdbc75a1c54fe5a43a711659e35cfeb25febaec2fb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2019-08-15T15:29:21Z",
    "title_canon_sha256": "185a6ba4917538b5a99239feb95b287e9e510e6a49692a4a741f0e97e12dc7d2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.05681",
    "kind": "arxiv",
    "version": 1
  }
}