Pith Number

pith:UNB6SOUF

pith:2023:UNB6SOUFHGJZEOC4TVQOCS33IR

not attested not anchored not stored refs pending

Constrained evolution of effective equation of state parameter in non-linear $f(R, L_m)$ dark energy model: Insights from Bayesian analysis of cosmic chronometers and Pantheon samples

Alnadhief H. A. Alfedeel, Amare Abebe, M. Koussour, N. Myrzakulov

arxiv:2309.09229 v2 · 2023-09-17 · 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{UNB6SOUFHGJZEOC4TVQOCS33IR}

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.

Receipt and verification

First computed	2026-07-05T06:55:06.315737Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a343e93a85399392385c9d60e14b7b446ae86871c3af0a9cc316242336fa9945

Aliases

arxiv: 2309.09229 · arxiv_version: 2309.09229v2 · doi: 10.48550/arxiv.2309.09229 · pith_short_12: UNB6SOUFHGJZ · pith_short_16: UNB6SOUFHGJZEOC4 · pith_short_8: UNB6SOUF

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/UNB6SOUFHGJZEOC4TVQOCS33IR \
  | 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: a343e93a85399392385c9d60e14b7b446ae86871c3af0a9cc316242336fa9945

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fffcf820b19123d83bcfc2ce044754f6ad9e30b3ed2741f10c162664ea886348",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2023-09-17T10:01:11Z",
    "title_canon_sha256": "b8bcc32184d4aade0649880e978259f571df864ca80eea5b6d78ee6a584715a7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2309.09229",
    "kind": "arxiv",
    "version": 2
  }
}