Pith Number

pith:JXFBTUBR

pith:2018:JXFBTUBRLNDZRERGPB2BXJS6TN

not attested not anchored not stored refs pending

The trouble with Hubble: Local versus global expansion rates in inhomogeneous cosmological simulations with numerical relativity

Daniel J. Price, Hayley J. Macpherson, Paul D. Lasky

arxiv:1807.01714 v2 · 2018-07-04 · 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{JXFBTUBRLNDZRERGPB2BXJS6TN}

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	2026-05-18T00:03:46.303042Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4dca19d0315b4798922678741ba65e9b47e7c60531dc5404af580806bd5e7dac

Aliases

arxiv: 1807.01714 · arxiv_version: 1807.01714v2 · doi: 10.48550/arxiv.1807.01714 · pith_short_12: JXFBTUBRLNDZ · pith_short_16: JXFBTUBRLNDZRERG · pith_short_8: JXFBTUBR

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/JXFBTUBRLNDZRERGPB2BXJS6TN \
  | 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: 4dca19d0315b4798922678741ba65e9b47e7c60531dc5404af580806bd5e7dac

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "73a735e7bf3e1d7f79469de55b15b36a7c915cd5f8d8f53b01708e4c75f021a2",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2018-07-04T18:00:04Z",
    "title_canon_sha256": "c6d29fc3b1b9057e8cd2d2641f8c5a54aa0ea156f2e33a61398d2ea62e8e1d49"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.01714",
    "kind": "arxiv",
    "version": 2
  }
}