Pith Number

pith:HOB2O5TA

pith:2013:HOB2O5TA3H5TVWVFORP7YAMTI3

not attested not anchored not stored refs pending

Bouligand-Severi $k$-tangents and strongly semisimple MV-algebras

Leonardo Cabrer

arxiv:1307.8347 v1 · 2013-07-22 · math.MG · math.FA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HOB2O5TA3H5TVWVFORP7YAMTI3}

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	2026-05-18T03:17:01.451634Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3b83a77660d9fb3adaa5745ffc019346ee7875219e3ccae4cf1c4a526ffc0f57

Aliases

arxiv: 1307.8347 · arxiv_version: 1307.8347v1 · doi: 10.48550/arxiv.1307.8347 · pith_short_12: HOB2O5TA3H5T · pith_short_16: HOB2O5TA3H5TVWVF · pith_short_8: HOB2O5TA

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/HOB2O5TA3H5TVWVFORP7YAMTI3 \
  | 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: 3b83a77660d9fb3adaa5745ffc019346ee7875219e3ccae4cf1c4a526ffc0f57

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0cd2bb19a83c9a1bfe7c9c5ad99dda00f2c2152208845b443ea4ea2a65b31da9",
    "cross_cats_sorted": [
      "math.FA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.MG",
    "submitted_at": "2013-07-22T09:30:26Z",
    "title_canon_sha256": "305c1101a897814177d1145e2e2dfd201d7ee038456808ba765739d8e56646e1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.8347",
    "kind": "arxiv",
    "version": 1
  }
}