Pith Number

pith:NPHSDWVP

pith:2019:NPHSDWVPCQKNTNQUYZI3BCI4WM

not attested not anchored not stored refs pending

Model-independent determination of $H_0$ and $\Omega_{K0}$ from strong lensing and type Ia supernovae

Francesco Montanari, Syksy Rasanen, Thomas Collett

arxiv:1905.09781 v2 · 2019-05-23 · astro-ph.CO · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NPHSDWVPCQKNTNQUYZI3BCI4WM}

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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	2026-07-05T00:23:04.912054Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6bcf21daaf1414d9b614c651b0891cb302a1710b9afdf0e6cddb2cd3e4a0384b

Aliases

arxiv: 1905.09781 · arxiv_version: 1905.09781v2 · doi: 10.48550/arxiv.1905.09781 · pith_short_12: NPHSDWVPCQKN · pith_short_16: NPHSDWVPCQKNTNQU · pith_short_8: NPHSDWVP

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/NPHSDWVPCQKNTNQUYZI3BCI4WM \
  | 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: 6bcf21daaf1414d9b614c651b0891cb302a1710b9afdf0e6cddb2cd3e4a0384b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3b25f7bd2943889f2f4b5d682a37977fc11727678548a7d42e5355897c4287e2",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2019-05-23T17:12:01Z",
    "title_canon_sha256": "af8a1a05358037963013e4bc7539871ef9617b3384470420cb1fbaab1e7676bf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.09781",
    "kind": "arxiv",
    "version": 2
  }
}