Pith Number

pith:PVCNVBGR

pith:2026:PVCNVBGRNMFRIVD3FIQSFPRLWX

not attested not anchored not stored refs pending

Remarks on hypersurfaces in $\mathbf{P}^1\times Z$

Antonio Laface, Francesco Antonio Denisi

arxiv:2605.29515 v1 · 2026-05-28 · math.AG · math.AC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PVCNVBGRNMFRIVD3FIQSFPRLWX}

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	2026-05-29T01:05:44.415742Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7d44da84d16b0b14547b2a2122be2bb5d77edbde4fb95a74a2a4cee6b1a3dd63

Aliases

arxiv: 2605.29515 · arxiv_version: 2605.29515v1 · doi: 10.48550/arxiv.2605.29515 · pith_short_12: PVCNVBGRNMFR · pith_short_16: PVCNVBGRNMFRIVD3 · pith_short_8: PVCNVBGR

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/PVCNVBGRNMFRIVD3FIQSFPRLWX \
  | 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: 7d44da84d16b0b14547b2a2122be2bb5d77edbde4fb95a74a2a4cee6b1a3dd63

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b2909047bbb20fc114634f12b3f45aa2374704e4dfa4627479933ebe58e984b2",
    "cross_cats_sorted": [
      "math.AC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2026-05-28T07:36:21Z",
    "title_canon_sha256": "54faa27b9ffc9b376b7d3ffe7f67a762cb18fc2824fc9636315fc04efc64483c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.29515",
    "kind": "arxiv",
    "version": 1
  }
}