Pith Number

pith:3EAMXAQB

pith:2020:3EAMXAQBV4UZILLDIKSUT5QMIM

not attested not anchored not stored refs pending

Spherical symmetric solutions of $f(R)$ gravity with a kinetic curvature scalar

Igor Fomin, Julio Fabris, Sergey Chervon

arxiv:2005.11858 v2 · 2020-05-24 · 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{3EAMXAQBV4UZILLDIKSUT5QMIM}

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	2026-07-05T01:25:38.838018Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d900cb8201af29942d6342a549f60c431dd2294ce6ece8a7ae66c9993a590df7

Aliases

arxiv: 2005.11858 · arxiv_version: 2005.11858v2 · doi: 10.48550/arxiv.2005.11858 · pith_short_12: 3EAMXAQBV4UZ · pith_short_16: 3EAMXAQBV4UZILLD · pith_short_8: 3EAMXAQB

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/3EAMXAQBV4UZILLDIKSUT5QMIM \
  | 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: d900cb8201af29942d6342a549f60c431dd2294ce6ece8a7ae66c9993a590df7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b3cc45037c4e20ea6994b3403730cac4328abd67186fb0ef351671cfaf3f9514",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2020-05-24T23:20:47Z",
    "title_canon_sha256": "73794a3bdd9bd761317536003361988ee236386b59835d14e4d9674fe595d943"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2005.11858",
    "kind": "arxiv",
    "version": 2
  }
}