Pith Number

pith:5FTL6P6Z

pith:2008:5FTL6P6ZYSQ2APMQGJIKLO2LYU

not attested not anchored not stored refs pending

Two new diagnostics of dark energy

Alexei A. Starobinsky, Arman Shafieloo, Varun Sahni

arxiv:0807.3548 v3 · 2008-07-23 · astro-ph · 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{5FTL6P6ZYSQ2APMQGJIKLO2LYU}

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

6 papers in Pith

Present Day Cosmic Acceleration from SDSS and DESI BAO: A Call for Finer Tomography of the DESI Bright Galaxy Survey

Effective Phantom Dark Energy: What Cosmological Reconstruction Does and Does Not Imply

Extended Dark Energy analysis using DESI DR2 BAO measurements

Latent-Space Gaussian Processes for Dark-Energy Reconstruction from Observational $H(z)$ Data

Testing $\Lambda$CDM with ANN-Reconstructed Expansion History from Cosmic Chronometers

Receipt and verification

First computed	2026-07-04T15:29:08.381434Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e966bf3fd9c4a1a03d903250a5bb4bc539ef22bfac11238cc02a81fa55d0d3fa

Aliases

arxiv: 0807.3548 · arxiv_version: 0807.3548v3 · doi: 10.48550/arxiv.0807.3548 · pith_short_12: 5FTL6P6ZYSQ2 · pith_short_16: 5FTL6P6ZYSQ2APMQ · pith_short_8: 5FTL6P6Z

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/5FTL6P6ZYSQ2APMQGJIKLO2LYU \
  | 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: e966bf3fd9c4a1a03d903250a5bb4bc539ef22bfac11238cc02a81fa55d0d3fa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6a1c1386f9e0e0883e83f11a9ba01a34d223710ad265246278abb9e2a77776d3",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-07-23T17:40:33Z",
    "title_canon_sha256": "591b9b474139423a2ec6589bbcfec6419197e8d18fab0ce71615ff8cb3fcc8e0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0807.3548",
    "kind": "arxiv",
    "version": 3
  }
}