Pith Number

pith:HJZVMWSU

pith:2021:HJZVMWSUR6PMYWER33UTQIJANE

not attested not anchored not stored refs pending

Inflation and Scale-invariant $R^2$-Gravity

Carsten van de Bruck, Richard Daniel

arxiv:2102.11719 v2 · 2021-02-23 · gr-qc · astro-ph.CO · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HJZVMWSUR6PMYWER33UTQIJANE}

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

2 papers in Pith

The unavoidable de Sitter fate of a scale-invariant Universe

A Designer's Guide to Lunar Far-Side Interferometer Array: Power Spectrum Measurement and Cosmological Constraints from the Dark Ages

Receipt and verification

First computed	2026-07-05T02:47:31.982554Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3a73565a548f9ecc5891dee938212069063527a64b424924a0b9f6af575a240a

Aliases

arxiv: 2102.11719 · arxiv_version: 2102.11719v2 · doi: 10.48550/arxiv.2102.11719 · pith_short_12: HJZVMWSUR6PM · pith_short_16: HJZVMWSUR6PMYWER · pith_short_8: HJZVMWSU

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/HJZVMWSUR6PMYWER33UTQIJANE \
  | 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: 3a73565a548f9ecc5891dee938212069063527a64b424924a0b9f6af575a240a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "038b5542391e40902dd3652aa4421afb3cfcfccb7c4946056fa13647f54d81f5",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2021-02-23T14:34:52Z",
    "title_canon_sha256": "2154205405c628b65ae07b911b0e131e28e31ff12287a3ede6156cfa34e68451"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.11719",
    "kind": "arxiv",
    "version": 2
  }
}