Pith Number

pith:2PNMQPY7

pith:2019:2PNMQPY72P6AYIIX5LCYBTPLEL

not attested not anchored not stored refs pending

A model-independent determination of the Hubble constant from lensed quasars and supernovae using Gaussian process regression

Arman Shafieloo, Eric V. Linder, Kai Liao, Ryan E. Keeley

arxiv:1908.04967 v2 · 2019-08-14 · 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{2PNMQPY72P6AYIIX5LCYBTPLEL}

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

4 papers in Pith

Model-independent calibration of Gamma-Ray Bursts with neural networks

EFT of Dark Energy with Cosmic Chronometers: Reconstructing Background EFT Functions

Finding Strongly Lensed Supernovae from Blended Light Curves

Reconstructing inflationary features on large scales using genetic algorithm

Receipt and verification

First computed	2026-07-05T00:26:39.557264Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d3dac83f1fd3fc0c2117eac580cdeb22fb349ece3e97dcfd4d5bce7324cf6093

Aliases

arxiv: 1908.04967 · arxiv_version: 1908.04967v2 · doi: 10.48550/arxiv.1908.04967 · pith_short_12: 2PNMQPY72P6A · pith_short_16: 2PNMQPY72P6AYIIX · pith_short_8: 2PNMQPY7

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/2PNMQPY72P6AYIIX5LCYBTPLEL \
  | 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: d3dac83f1fd3fc0c2117eac580cdeb22fb349ece3e97dcfd4d5bce7324cf6093

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ecabd0b16f4736702ba21fce02e855fa2b408ac5fe61e271f4a6f1d432f1a34d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2019-08-14T05:59:53Z",
    "title_canon_sha256": "cb1631645dc255ca2c38164f9f20933d1728111d7039d4e585f253e1a55b87e2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.04967",
    "kind": "arxiv",
    "version": 2
  }
}