Pith Number

pith:7X2SHAEM

pith:2018:7X2SHAEMAOT66WFP7YL4CTDR7X

not attested not anchored not stored refs pending

Measuring the Hubble constant and spatial curvature from supernova apparent magnitude, baryon acoustic oscillation, and Hubble parameter data

Bharat Ratra, Chan-Gyung Park

arxiv:1809.03598 v2 · 2018-09-10 · 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{7X2SHAEMAOT66WFP7YL4CTDR7X}

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	2026-07-05T00:01:30.087272Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fdf523808c03a7ef58affe17c14c71fdd65da5ef50f145078e034d38344f3342

Aliases

arxiv: 1809.03598 · arxiv_version: 1809.03598v2 · doi: 10.48550/arxiv.1809.03598 · pith_short_12: 7X2SHAEMAOT6 · pith_short_16: 7X2SHAEMAOT66WFP · pith_short_8: 7X2SHAEM

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/7X2SHAEMAOT66WFP7YL4CTDR7X \
  | 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: fdf523808c03a7ef58affe17c14c71fdd65da5ef50f145078e034d38344f3342

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e83bc25408388e6d66d3e93bb42ba3108870b00c47ba21bad6f50e39dce1a3ab",
    "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": "2018-09-10T21:13:07Z",
    "title_canon_sha256": "b66bac21ecec06d0fb76a192fa5ae11323a27399c08ab8ebf59c7fdba28eb845"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.03598",
    "kind": "arxiv",
    "version": 2
  }
}