Pith Number

pith:VUMTPHPV

pith:2025:VUMTPHPV5U47HQS2SK2TQSEZOR

not attested not anchored not stored refs pending

Challenging $\Lambda$CDM: 5$\sigma$ Evidence for a Dynamical Dark Energy Late-Time Transition

Antonio De Felice, Mateus Scherer, Miguel A. Sabogal, Rafael C. Nunes

arxiv:2504.20664 v2 · 2025-04-29 · astro-ph.CO · gr-qc · hep-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VUMTPHPV5U47HQS2SK2TQSEZOR}

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.

Cited by

24 papers in Pith

Resolving the Hubble Tension in the Early Dark Energy Framework with JWST and DESI Data

Geometric obstruction to resolving the Hubble tension: orthogonality of scale and shape in distance measurements

What it takes to solve the Hubble tension through Modifications of Cosmological Recombination II: in light of ACT DR6 and DESI DR2

Reconstructing dark energy with fewer assumptions

Neutrino mass constraints in interacting dark energy models after DESI DR2

Receipt and verification

First computed	2026-07-05T11:54:30.523621Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ad19379df5ed39f3c25a92b538489974647ff2bb798a12917f71cb896bd2b529

Aliases

arxiv: 2504.20664 · arxiv_version: 2504.20664v2 · doi: 10.48550/arxiv.2504.20664 · pith_short_12: VUMTPHPV5U47 · pith_short_16: VUMTPHPV5U47HQS2 · pith_short_8: VUMTPHPV

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/VUMTPHPV5U47HQS2SK2TQSEZOR \
  | 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: ad19379df5ed39f3c25a92b538489974647ff2bb798a12917f71cb896bd2b529

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "16afc9234edb624f64ef2bc7f5505ae4b8bdedf0dcf7dc022ee6e3df59e63dc4",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2025-04-29T11:38:28Z",
    "title_canon_sha256": "2e7b7a8e930ae540728c327f7eaa184132a04f468a2f14b10cc9e97250afa93e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.20664",
    "kind": "arxiv",
    "version": 2
  }
}