Pith Number

pith:SPS32L35

pith:2026:SPS32L354XX2SIMOV6UF4XPCJ2

not attested not anchored not stored refs pending

The hyper-Kummer construction

Lie Fu, Salvatore Floccari

arxiv:2607.07528 v1 · 2026-07-08 · math.AG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SPS32L354XX2SIMOV6UF4XPCJ2}

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	2026-07-09T01:20:28.056403Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

93e5bd2f7de5efa9218eafa85e5de24ebc5ce32316690c2fe8c1b2b047ee0226

Aliases

arxiv: 2607.07528 · arxiv_version: 2607.07528v1 · doi: 10.48550/arxiv.2607.07528 · pith_short_12: SPS32L354XX2 · pith_short_16: SPS32L354XX2SIMO · pith_short_8: SPS32L35

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/SPS32L354XX2SIMOV6UF4XPCJ2 \
  | 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: 93e5bd2f7de5efa9218eafa85e5de24ebc5ce32316690c2fe8c1b2b047ee0226

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "26b28f866d914998f581e75024559246ed65bf93ac84dacde26de555fd39e345",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2026-07-08T15:21:25Z",
    "title_canon_sha256": "17a88c57dc4081103f0093c646b2afce5e53776438f68e65a90fd60af623612f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.07528",
    "kind": "arxiv",
    "version": 1
  }
}