Pith Number

pith:WM2WS22N

pith:2013:WM2WS22NP77ASDF2RALMGK7B7M

not attested not anchored not stored refs pending

Cosmological perturbations in theories with non-minimal coupling between curvature and matter

Jorge P\'aramos, Orfeu Bertolami, Pedro Fraz\~ao

arxiv:1303.3215 v2 · 2013-03-13 · gr-qc

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

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

1 paper in Pith

Cosmological and lunar laser ranging constraints on evolving dark energy in a nonminimally coupled curvature-matter gravity model

Receipt and verification

First computed	2026-05-18T03:25:04.023735Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b335696b4d7ffe090cba8816c32be1fb19b26d76d69a03dadcf8b51d364c64d1

Aliases

arxiv: 1303.3215 · arxiv_version: 1303.3215v2 · doi: 10.48550/arxiv.1303.3215 · pith_short_12: WM2WS22NP77A · pith_short_16: WM2WS22NP77ASDF2 · pith_short_8: WM2WS22N

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/WM2WS22NP77ASDF2RALMGK7B7M \
  | 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: b335696b4d7ffe090cba8816c32be1fb19b26d76d69a03dadcf8b51d364c64d1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2b543487ccf46031741e161552093806609ab9d657186d94640ee01e57040c70",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2013-03-13T17:15:15Z",
    "title_canon_sha256": "c1a7c5936a75ef4d87e45aa4d71178d32eab75131ef43458059d5030dd63bb35"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.3215",
    "kind": "arxiv",
    "version": 2
  }
}