Pith Number

pith:EGJDAC4F

pith:2026:EGJDAC4FT2N7BBTOQMLSKCXNIS

not attested not anchored not stored refs pending

Cyclic source pairings for Penrose--Sparling non-Hausdorff twistor spaces

Ioannis P. Zois

arxiv:2606.04054 v1 · 2026-06-02 · math.DG · hep-th · math-ph · math.MP · math.RT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EGJDAC4FT2N7BBTOQMLSKCXNIS}

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	2026-06-04T00:06:45.352357Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2192300b859e9bf0866e8317250aed44878562f59610b3c599a1764154226a78

Aliases

arxiv: 2606.04054 · arxiv_version: 2606.04054v1 · doi: 10.48550/arxiv.2606.04054 · pith_short_12: EGJDAC4FT2N7 · pith_short_16: EGJDAC4FT2N7BBTO · pith_short_8: EGJDAC4F

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/EGJDAC4FT2N7BBTOQMLSKCXNIS \
  | 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: 2192300b859e9bf0866e8317250aed44878562f59610b3c599a1764154226a78

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eaf0d502b808fc9b62966d129f8b5c60db0e2a3d8e171e7c8335d057460823b3",
    "cross_cats_sorted": [
      "hep-th",
      "math-ph",
      "math.MP",
      "math.RT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2026-06-02T09:41:00Z",
    "title_canon_sha256": "0f036a6d63997fc3e07b6481852a5aed08d470f33062a5e9ef7bf304b084064b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.04054",
    "kind": "arxiv",
    "version": 1
  }
}