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Pith Number

pith:7CDZ5MVK

pith:2026:7CDZ5MVK2VJYTKJQGLCKYZMRZI
not attested not anchored not stored refs pending

Probing Dynamical Dark Energy with Late-Time Data: Evidence, Tensions, and the Limits of the $w_0w_a$CDM Framework

Abra\~ao J. S. Capistrano, \"Ozg\"ur Akarsu, Suresh Kumar, Tengpeng Xu, Yun Chen

arxiv:2602.11936 v3 · 2026-02-12 · astro-ph.CO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?
Add to your LaTeX paper 
\usepackage{pith}
\pithnumber{7CDZ5MVK2VJYTKJQGLCKYZMRZI}

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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

5 papers in Pith

No evidence for phantom crossing: local goodness-of-fit improvements do not persist under global Bayesian model comparison
Exploring the interplay of late-time dynamical dark energy and new physics before recombination
No evidence for phantom crossing: local goodness-of-fit improvements do not persist under global Bayesian model comparison
Do equation of state parametrizations of dark energy faithfully capture the dynamics of the late universe?
On the origin of the BAOtr-DESI tension
Receipt and verification
First computed 2026-05-20T00:05:42.072387Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

f8879eb2aad55389a93032c4ac6591ca142f696cbc88686187206a52c9e0770a

Aliases

arxiv: 2602.11936 · arxiv_version: 2602.11936v3 · doi: 10.48550/arxiv.2602.11936 · pith_short_12: 7CDZ5MVK2VJY · pith_short_16: 7CDZ5MVK2VJYTKJQ · pith_short_8: 7CDZ5MVK
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/7CDZ5MVK2VJYTKJQGLCKYZMRZI \
  | 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: f8879eb2aad55389a93032c4ac6591ca142f696cbc88686187206a52c9e0770a
Canonical record JSON 
{
  "metadata": {
    "abstract_canon_sha256": "a68a8f91287439216b4fd8fd5067bceb330eae7058950c3b06812ba9f81c20cc",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2026-02-12T13:35:54Z",
    "title_canon_sha256": "dabab9915a8d372adb98029c04b2ead03a1ae4a5c8e70a30d43b47394b7e6f85"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2602.11936",
    "kind": "arxiv",
    "version": 3
  }
}