Pith Number

pith:2DCAHQZH

pith:2018:2DCAHQZHVQ3ORJSVPHCT2VZYCB

not attested not anchored not stored refs pending

Observational constraints on the tilted spatially-flat and the untilted nonflat $\phi$CDM dynamical dark energy inflation models

Bharat Ratra, Chan-Gyung Park

arxiv:1807.07421 v2 · 2018-07-17 · astro-ph.CO · gr-qc · hep-ph · 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{2DCAHQZHVQ3ORJSVPHCT2VZYCB}

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

1 paper in Pith

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	2026-05-17T23:47:44.217391Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d0c403c327ac36e8a65579c53d5738107aebe578ae2983fc0f73506c79753820

Aliases

arxiv: 1807.07421 · arxiv_version: 1807.07421v2 · doi: 10.48550/arxiv.1807.07421 · pith_short_12: 2DCAHQZHVQ3O · pith_short_16: 2DCAHQZHVQ3ORJSV · pith_short_8: 2DCAHQZH

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/2DCAHQZHVQ3ORJSVPHCT2VZYCB \
  | 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: d0c403c327ac36e8a65579c53d5738107aebe578ae2983fc0f73506c79753820

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "82f9646e042c9689a6f8a8f67167db9f6949b229c0b22afce516212874378a21",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-ph",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2018-07-17T18:36:35Z",
    "title_canon_sha256": "757e9e4c8c75cdaa2f64279b89fabbceb5e1f07094b98638e87293c7f9d1f64a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.07421",
    "kind": "arxiv",
    "version": 2
  }
}