Pith Number

pith:MZWYCYGX

pith:2018:MZWYCYGX2L7QENGYUBYOI6Z5QH

not attested not anchored not stored refs pending

Hubble drift in Palatini $f(\mathcal{R})$-theories

L.Del Vecchio, L.Fatibene, M.Ferraris, P.Pinto, S.Camera, S.Capozziello

arxiv:1810.10754 v2 · 2018-10-25 · 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{MZWYCYGX2L7QENGYUBYOI6Z5QH}

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	2026-05-17T23:56:52.721653Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

666d8160d7d2ff0234d8a070e47b3d81e2d2c72bde7246c1f23591077f1a611b

Aliases

arxiv: 1810.10754 · arxiv_version: 1810.10754v2 · doi: 10.48550/arxiv.1810.10754 · pith_short_12: MZWYCYGX2L7Q · pith_short_16: MZWYCYGX2L7QENGY · pith_short_8: MZWYCYGX

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/MZWYCYGX2L7QENGYUBYOI6Z5QH \
  | 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: 666d8160d7d2ff0234d8a070e47b3d81e2d2c72bde7246c1f23591077f1a611b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "58642c94989c221971f43cf641e77599d35d52006886448ff4c98e5aab1be604",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2018-10-25T08:01:21Z",
    "title_canon_sha256": "4161f074f36da0ee6da6b8394c141842e1f91374699587b0fa93d93aa5bbb075"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.10754",
    "kind": "arxiv",
    "version": 2
  }
}