Pith Number

pith:XVA2CHVL

pith:2020:XVA2CHVLRLANQMDLSVEBLFZPUH

not attested not anchored not stored refs pending

Cosmology-independent Estimate of the Hubble Constant and Spatial Curvature Using Time-delay Lenses and Quasars

Fulvio Melia, Jun-Jie Wei

arxiv:2005.10422 v1 · 2020-05-21 · 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{XVA2CHVLRLANQMDLSVEBLFZPUH}

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

Model-independent H0 from GWTC-4 standard sirens and TDCOSMO 2025 strong lensing time delays

Receipt and verification

First computed	2026-07-05T01:21:01.602513Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bd41a11eab8ac0d8306b954815972fa1fc5ef3d733b1130fdadfa2e428a62b9a

Aliases

arxiv: 2005.10422 · arxiv_version: 2005.10422v1 · doi: 10.48550/arxiv.2005.10422 · pith_short_12: XVA2CHVLRLAN · pith_short_16: XVA2CHVLRLANQMDL · pith_short_8: XVA2CHVL

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/XVA2CHVLRLANQMDLSVEBLFZPUH \
  | 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: bd41a11eab8ac0d8306b954815972fa1fc5ef3d733b1130fdadfa2e428a62b9a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "00bcda6a35d50d5cb4dc7dd1e56fe50c996f22441651bd09f354d559a3b661b4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2020-05-21T01:59:19Z",
    "title_canon_sha256": "867f5fdc795bb45305e189c21f4b30be8f48a6f6bdc5bb81382e7d406f7f46dd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2005.10422",
    "kind": "arxiv",
    "version": 1
  }
}