Pith Number

pith:R2KYSVRN

pith:2018:R2KYSVRNQENLX76GYQ2URXBPTY

not attested not anchored not stored refs pending

Maximum turnaround radius in $f(R)$ gravity

Konstantinos F. Dialektopoulos, Orlando Luongo, Salvatore Capozziello

arxiv:1805.01233 v1 · 2018-05-03 · 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{R2KYSVRNQENLX76GYQ2URXBPTY}

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	2026-05-17T23:53:31.104949Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8e9589562d811abbffc6c43548dc2f9e350a24f5fb67e1c5809518b1702650d5

Aliases

arxiv: 1805.01233 · arxiv_version: 1805.01233v1 · doi: 10.48550/arxiv.1805.01233 · pith_short_12: R2KYSVRNQENL · pith_short_16: R2KYSVRNQENLX76G · pith_short_8: R2KYSVRN

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/R2KYSVRNQENLX76GYQ2URXBPTY \
  | 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: 8e9589562d811abbffc6c43548dc2f9e350a24f5fb67e1c5809518b1702650d5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "db38de8386fc5e12f0b1fe46eb404e505b50d94184da1cac61d075624bb9ba16",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2018-05-03T11:33:09Z",
    "title_canon_sha256": "68bcec7b20c7f0093c9f0fecc87cecd999c6bd51341ee2f86fd7b8604f4ec645"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.01233",
    "kind": "arxiv",
    "version": 1
  }
}