Pith Number

pith:A2XKVMD3

pith:2020:A2XKVMD3Z37J5BVBJVUZMFS3GJ

not attested not anchored not stored refs pending

A 4% measurement of $H_0$ using the cumulative distribution of strong-lensing time delays in doubly-imaged quasars

David Harvey

arxiv:2011.09488 v1 · 2020-11-18 · 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{A2XKVMD3Z37J5BVBJVUZMFS3GJ}

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

Precision Joint Constraints on Cosmology and Gravity Using Strongly Lensed Gravitational Wave Populations

Receipt and verification

First computed	2026-07-05T01:54:02.958841Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

06aeaab07bcefe9e86a14d6996165b327abaed541cd707a4c759469985c7fd83

Aliases

arxiv: 2011.09488 · arxiv_version: 2011.09488v1 · doi: 10.48550/arxiv.2011.09488 · pith_short_12: A2XKVMD3Z37J · pith_short_16: A2XKVMD3Z37J5BVB · pith_short_8: A2XKVMD3

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/A2XKVMD3Z37J5BVBJVUZMFS3GJ \
  | 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: 06aeaab07bcefe9e86a14d6996165b327abaed541cd707a4c759469985c7fd83

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e96433b36db9dfff5494df0923e0ed7f82a7fea75292a42f26f9b82902255f43",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2020-11-18T19:00:04Z",
    "title_canon_sha256": "72957577a6925c7f0db176902fe1fa6789ebec2214c4a5e81fe4555115ed2818"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2011.09488",
    "kind": "arxiv",
    "version": 1
  }
}