pith. sign in
Pith Number

pith:P2F3UYSE

pith:2026:P2F3UYSE6E6PMJHBBCHXWZ7KNJ
not attested not anchored not stored refs pending

The unavoidable de Sitter fate of a scale-invariant Universe

Chiara Cecchini, Massimiliano Rinaldi

arxiv:2606.31472 v1 · 2026-06-30 · gr-qc · astro-ph.CO · hep-ph · hep-th

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{P2F3UYSE6E6PMJHBBCHXWZ7KNJ}

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 2026-07-01T01:18:04.344156Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

7e8bba6244f13cf624e1088f7b67ea6a4050a834f2887fee5c538547d2f59c3d

Aliases

arxiv: 2606.31472 · arxiv_version: 2606.31472v1 · doi: 10.48550/arxiv.2606.31472 · pith_short_12: P2F3UYSE6E6P · pith_short_16: P2F3UYSE6E6PMJHB · pith_short_8: P2F3UYSE
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/P2F3UYSE6E6PMJHBBCHXWZ7KNJ \
  | 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: 7e8bba6244f13cf624e1088f7b67ea6a4050a834f2887fee5c538547d2f59c3d
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "e8bb4a96f2f8d1f2ace531cfb27aa3848dbe730f0101b322049e4fac265a3435",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "hep-ph",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2026-06-30T10:49:32Z",
    "title_canon_sha256": "0b96b9f3b656d9586d10c6f708ae8ab5676f6789fbf34754167afdfb5d07c923"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.31472",
    "kind": "arxiv",
    "version": 1
  }
}