Pith Number

pith:75L3353B

pith:2025:75L3353B5YL6GFHYJ4KO7FJE5L

not attested not anchored not stored refs pending

Optimal parameterizations for observational constraints on thawing dark energy

Charles L. Steinhardt, David Shlivko, Paul J. Steinhardt

arxiv:2504.02028 v2 · 2025-04-02 · astro-ph.CO · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{75L3353B5YL6GFHYJ4KO7FJE5L}

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

4 papers in Pith

The Status of Single Scalar Field Dark Energy

Quintessential $\alpha$-attractors fit DESI

Beyond CPL: Evidence for dynamical dark energy in three-parameter models

Is the $w_0w_a$CDM cosmological parameterization evidence for dark energy dynamics partially caused by the excess smoothing of Planck PR4 CMB anisotropy data?

Receipt and verification

First computed	2026-07-05T11:27:28.864242Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ff57bdf761ee17e314f84f14ef9524ead33cefa5b434b2708545b1c62c5d2ba2

Aliases

arxiv: 2504.02028 · arxiv_version: 2504.02028v2 · doi: 10.48550/arxiv.2504.02028 · pith_short_12: 75L3353B5YL6 · pith_short_16: 75L3353B5YL6GFHY · pith_short_8: 75L3353B

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/75L3353B5YL6GFHYJ4KO7FJE5L \
  | 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: ff57bdf761ee17e314f84f14ef9524ead33cefa5b434b2708545b1c62c5d2ba2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6ea2bd77e7df5650972016fc4dea8bb8cd0e75011287dcfa86657723ca685cac",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2025-04-02T18:00:00Z",
    "title_canon_sha256": "78c668c09d3de025d3cdc5c8e7d45a746dfd994aeb9cbf06522632edd68efbea"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.02028",
    "kind": "arxiv",
    "version": 2
  }
}