Pith Number

pith:ZD2EVIHH

pith:2021:ZD2EVIHHNWSIC7ESXIDYGULJBP

not attested not anchored not stored refs pending

Chameleon dark energy can resolve the Hubble tension

Li Li, Rong-Gen Cai, Shao-Jiang Wang, Wang-Wei Yu, Zong-Kuan Guo

arxiv:2102.02020 v4 · 2021-02-03 · 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{ZD2EVIHHNWSIC7ESXIDYGULJBP}

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

The Hubble tension: A decade review

Resolving the Planck-DESI tension by nonminimally coupled quintessence

Constraining interacting dark energy models with black hole superradiance

In the Realm of the Hubble tension $-$ a Review of Solutions

Cosmological intercept tension

Receipt and verification

First computed	2026-07-05T02:47:31.121482Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c8f44aa0e76da4817c92ba078351690bda07323fb26f3a3fad9e10e87f8da4d9

Aliases

arxiv: 2102.02020 · arxiv_version: 2102.02020v4 · doi: 10.48550/arxiv.2102.02020 · pith_short_12: ZD2EVIHHNWSI · pith_short_16: ZD2EVIHHNWSIC7ES · pith_short_8: ZD2EVIHH

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/ZD2EVIHHNWSIC7ESXIDYGULJBP \
  | 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: c8f44aa0e76da4817c92ba078351690bda07323fb26f3a3fad9e10e87f8da4d9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8c278852efd45f97c39da0cd8aee415f17fa2242ea29fd6d97f7613f17eb54c0",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2021-02-03T11:44:08Z",
    "title_canon_sha256": "3c0d5d442344c37514eeaeefd01d7d10e1f620c19e8859312831c04435144792"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.02020",
    "kind": "arxiv",
    "version": 4
  }
}