Pith Number

pith:HNU4PWQQ

pith:2022:HNU4PWQQMB6HR4FH53QJZBCS2V

not attested not anchored not stored refs pending

Revising the Hubble constant, spatial curvature and dark energy dynamics with the latest observations of quasars

Chenfa Zheng, Hao Zheng, Shuo Cao, Tonghua Liu, Wuzheng Guo, Xiaolei Li, Yuting Liu

arxiv:2210.02765 v1 · 2022-10-06 · astro-ph.CO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HNU4PWQQMB6HR4FH53QJZBCS2V}

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

Intertwined Constraints in Extended Cosmologies: Dark Energy, Curvature, Neutrinos, and Inflation

Receipt and verification

First computed	2026-07-05T05:22:56.480299Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3b69c7da10607c78f0a7eee09c8452d56a9d7cd3729f6b2ff7cc103e67e24717

Aliases

arxiv: 2210.02765 · arxiv_version: 2210.02765v1 · doi: 10.48550/arxiv.2210.02765 · pith_short_12: HNU4PWQQMB6H · pith_short_16: HNU4PWQQMB6HR4FH · pith_short_8: HNU4PWQQ

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/HNU4PWQQMB6HR4FH53QJZBCS2V \
  | 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: 3b69c7da10607c78f0a7eee09c8452d56a9d7cd3729f6b2ff7cc103e67e24717

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "80e61e12401d39e145da9b73c89df59686a3ffcfd56ebc69cdccee51edf62297",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2022-10-06T09:05:29Z",
    "title_canon_sha256": "4df946d7cf6eb11a5ce2315fbab325e5ac6a16ba1568ec8b553a688ca5deabc6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2210.02765",
    "kind": "arxiv",
    "version": 1
  }
}