Pith Number

pith:APOPYFZL

pith:2023:APOPYFZLJRXOPNO5USC7MIRXIV

not attested not anchored not stored refs pending

Observational constraints on a logarithmic scalar field dark energy model and black hole mass evolution in the Universe

Adnan Malik, Dan Wang, G. Mustafa, M. Koussour, N. Myrzakulov

arxiv:2304.05807 v4 · 2023-04-12 · 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{APOPYFZLJRXOPNO5USC7MIRXIV}

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

2 papers in Pith

CosmoGen: A genetic algorithm framework for the exploration of dark energy dynamics

Observational tests of \texorpdfstring{$\Lambda(t)$}{Lambda(t)} cosmology in light of DESI DR2

Receipt and verification

First computed	2026-07-05T06:35:27.152040Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

03dcfc172b4c6ee7b5dda485f62237456e482ef925e4c0a61078ae50f1726b49

Aliases

arxiv: 2304.05807 · arxiv_version: 2304.05807v4 · doi: 10.48550/arxiv.2304.05807 · pith_short_12: APOPYFZLJRXO · pith_short_16: APOPYFZLJRXOPNO5 · pith_short_8: APOPYFZL

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/APOPYFZLJRXOPNO5USC7MIRXIV \
  | 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: 03dcfc172b4c6ee7b5dda485f62237456e482ef925e4c0a61078ae50f1726b49

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7bf29f9f88dc34a074d8c47a0e3328eb97084a50d99d8fdc9120b07f054a1ce7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2023-04-12T12:36:13Z",
    "title_canon_sha256": "6a5512fbc0b7243897755de995b9138968fff447aa18338258c21b3bd849010f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2304.05807",
    "kind": "arxiv",
    "version": 4
  }
}