Pith Number

pith:IUE3QLR7

pith:2019:IUE3QLR7SJCONSLNO5CQ5UJXPA

not attested not anchored not stored refs pending

Curvature tension: evidence for a closed universe

Will Handley

arxiv:1908.09139 v1 · 2019-08-24 · 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{IUE3QLR7SJCONSLNO5CQ5UJXPA}

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

8 papers in Pith

Intertwined Constraints in Extended Cosmologies: Dark Energy, Curvature, Neutrinos, and Inflation

Barrow holographic dark energy interacting model in the presence of radiation and matter

On primordial matter production induced by spatial curvature in the early universe

The Generalized Second Law and the Spatial Curvature Index

Dynamical systems analysis of an Einstein-Cartan ekpyrotic nonsingular bounce cosmology

Receipt and verification

First computed	2026-07-05T02:13:42.270585Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4509b82e3f9244e6c96d77450ed1377823453184b7e080daac556b29a0db6b64

Aliases

arxiv: 1908.09139 · arxiv_version: 1908.09139v1 · doi: 10.48550/arxiv.1908.09139 · pith_short_12: IUE3QLR7SJCO · pith_short_16: IUE3QLR7SJCONSLN · pith_short_8: IUE3QLR7

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/IUE3QLR7SJCONSLNO5CQ5UJXPA \
  | 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: 4509b82e3f9244e6c96d77450ed1377823453184b7e080daac556b29a0db6b64

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0687fa7e26e7f35dc145470194e8fcc32d9106cdccf588ea1c15e745f648c3c2",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2019-08-24T13:56:59Z",
    "title_canon_sha256": "dd03a8d82f714a58bda3c32d73fcab04c4a6418e5bd171c5d3d70b2bed7d6c90"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.09139",
    "kind": "arxiv",
    "version": 1
  }
}