Pith Number

pith:OPCNMVKV

pith:2015:OPCNMVKVBYEESKUGDN5RYCFWQL

not attested not anchored not stored refs pending

On the covariant formalism of the effective field theory of gravity and leading order corrections

Alessandro Codello, Rajeev Kumar Jain

arxiv:1507.06308 v2 · 2015-07-22 · gr-qc · astro-ph.CO · hep-th

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Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OPCNMVKVBYEESKUGDN5RYCFWQL}

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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

Positive Running of the Spectral Index for Scalar Theory and Modified Gravity

Receipt and verification

First computed	2026-05-18T01:00:10.144395Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

73c4d655550e08492a861b7b1c08b682ce103667264d4ae80b4ea90d19ded9f6

Aliases

arxiv: 1507.06308 · arxiv_version: 1507.06308v2 · doi: 10.48550/arxiv.1507.06308 · pith_short_12: OPCNMVKVBYEE · pith_short_16: OPCNMVKVBYEESKUG · pith_short_8: OPCNMVKV

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/OPCNMVKVBYEESKUGDN5RYCFWQL \
  | 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: 73c4d655550e08492a861b7b1c08b682ce103667264d4ae80b4ea90d19ded9f6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "86eb7986eac3a07dec41c75fc1862caef92a3186fd35bf3a3fc08c1a96d909af",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2015-07-22T20:00:34Z",
    "title_canon_sha256": "9145d5a232752bf96351fa14a97801a38d0b3ada7b26342b4f279b7370e97d3d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.06308",
    "kind": "arxiv",
    "version": 2
  }
}