Pith Number

pith:ULMD2FZ2

pith:2026:ULMD2FZ2DE77JO6XJ2CUP5IKFA

not attested not anchored not stored refs pending

Spacetime torsion fixes the mass and spin of gravitationally produced dark matter

Roh-Suan Tung

arxiv:2606.23418 v1 · 2026-06-22 · gr-qc · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ULMD2FZ2DE77JO6XJ2CUP5IKFA}

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	2026-06-23T03:14:19.516859Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a2d83d173a193ff4bbd74e8547f50a281e26b0cf9ba18a52db5149b78e45ed44

Aliases

arxiv: 2606.23418 · arxiv_version: 2606.23418v1 · doi: 10.48550/arxiv.2606.23418 · pith_short_12: ULMD2FZ2DE77 · pith_short_16: ULMD2FZ2DE77JO6X · pith_short_8: ULMD2FZ2

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/ULMD2FZ2DE77JO6XJ2CUP5IKFA \
  | 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: a2d83d173a193ff4bbd74e8547f50a281e26b0cf9ba18a52db5149b78e45ed44

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2e7dd163210927be7ecec432a91a67098dc3f166b82ec969accb6043804f0fc0",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2026-06-22T14:41:44Z",
    "title_canon_sha256": "31386606ae14fb21f7f9ffa1a2b318491d1dd925717fb35ce587a543642b9c75"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.23418",
    "kind": "arxiv",
    "version": 1
  }
}