Pith Number

pith:5LUYWZQI

pith:2016:5LUYWZQIOPTTF4ZZAVAOGTDXMZ

not attested not anchored not stored refs pending

Note on Nariai and Tomita's and Starobinsky's cosmological solutions in the R^2 modified gravity

Kenji Tomita

arxiv:1603.07621 v1 · 2016-03-20 · gr-qc · 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{5LUYWZQIOPTTF4ZZAVAOGTDXMZ}

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	2026-05-18T01:18:20.333722Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eae98b660873e732f3390540e34c776647d33a794e5d2a5db236cca95c4f0168

Aliases

arxiv: 1603.07621 · arxiv_version: 1603.07621v1 · doi: 10.48550/arxiv.1603.07621 · pith_short_12: 5LUYWZQIOPTT · pith_short_16: 5LUYWZQIOPTTF4ZZ · pith_short_8: 5LUYWZQI

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/5LUYWZQIOPTTF4ZZAVAOGTDXMZ \
  | 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: eae98b660873e732f3390540e34c776647d33a794e5d2a5db236cca95c4f0168

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3f9743275a7457fae902256855447be48bbf8d8d8c87e50b5f1f1202bd926596",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2016-03-20T06:53:57Z",
    "title_canon_sha256": "5e8cdd482ffa2c2c46e25fc54cf383ce4c86f8a9c7c049efc9ce55d472263ccb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.07621",
    "kind": "arxiv",
    "version": 1
  }
}