Pith Number

pith:OWB6LRBG

pith:2019:OWB6LRBG22PIWLN4Z3FOO7IWG2

not attested not anchored not stored refs pending

The Hubble constant tension with next-generation galaxy surveys

Carlos A. P. Bengaly, Chris Clarkson, Roy Maartens

arxiv:1908.04619 v2 · 2019-08-13 · 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{OWB6LRBG22PIWLN4Z3FOO7IWG2}

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.

Receipt and verification

First computed	2026-07-05T01:06:49.033905Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7583e5c426d69e8b2dbccecae77d16369ca1f22c2a8105502cd3ba5a587788b2

Aliases

arxiv: 1908.04619 · arxiv_version: 1908.04619v2 · doi: 10.48550/arxiv.1908.04619 · pith_short_12: OWB6LRBG22PI · pith_short_16: OWB6LRBG22PIWLN4 · pith_short_8: OWB6LRBG

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/OWB6LRBG22PIWLN4Z3FOO7IWG2 \
  | 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: 7583e5c426d69e8b2dbccecae77d16369ca1f22c2a8105502cd3ba5a587788b2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e1d9dceb5e553e03f684dfc2704a8f8228962859878c9987c361f621aab81f4f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2019-08-13T13:02:29Z",
    "title_canon_sha256": "9e091ceb20ab1829129f92e1bb1bd80c660c87cc4fd8b06c05e1664df8fc1cbf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.04619",
    "kind": "arxiv",
    "version": 2
  }
}