Pith Number

pith:PMW64L6F

pith:2026:PMW64L6FHEIUA2QES77XUNJAR6

not attested not anchored not stored refs pending

Cohomogeneity-One Ruled Hypersurfaces in $\mathbb{CP}^2$ and $\mathbb{C}H^2$

Patrick J. Ryan, Thomas A. Ivey

arxiv:2605.22979 v1 · 2026-05-21 · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PMW64L6FHEIUA2QES77XUNJAR6}

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	2026-05-25T02:01:33.028795Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7b2dee2fc53911406a0497ff7a35208fad0faf393369b96d55d8db6d15bdf376

Aliases

arxiv: 2605.22979 · arxiv_version: 2605.22979v1 · doi: 10.48550/arxiv.2605.22979 · pith_short_12: PMW64L6FHEIU · pith_short_16: PMW64L6FHEIUA2QE · pith_short_8: PMW64L6F

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/PMW64L6FHEIUA2QES77XUNJAR6 \
  | 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: 7b2dee2fc53911406a0497ff7a35208fad0faf393369b96d55d8db6d15bdf376

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fe8bcc0375aba277aa5603eaeb20e7c379fe8913ab8dab04ed2073f2bedf57c4",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2026-05-21T19:17:24Z",
    "title_canon_sha256": "29d6d6a28f38e49a58e3b1b92e3c24043f2175bf1c50a4c7d03c4f9716079f16"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.22979",
    "kind": "arxiv",
    "version": 1
  }
}