Pith Number

pith:XEJKXYJN

pith:2012:XEJKXYJNAK53K2D6Q7SFDZVXZJ

not attested not anchored not stored refs pending

Effective action approach to cosmological perturbations in dark energy and modified gravity

Jonathan A. Pearson, Richard A. Battye

arxiv:1203.0398 v2 · 2012-03-02 · hep-th · astro-ph.CO · 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{XEJKXYJNAK53K2D6Q7SFDZVXZJ}

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.

Cited by

1 paper in Pith

The one-loop effective action from the coherent state path integral of loop quantum gravity

Receipt and verification

First computed	2026-05-18T01:58:15.697215Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b912abe12d02bbb5687e87e451e6b7ca74cc14580dc000591325e6d5e7df9ece

Aliases

arxiv: 1203.0398 · arxiv_version: 1203.0398v2 · doi: 10.48550/arxiv.1203.0398 · pith_short_12: XEJKXYJNAK53 · pith_short_16: XEJKXYJNAK53K2D6 · pith_short_8: XEJKXYJN

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/XEJKXYJNAK53K2D6Q7SFDZVXZJ \
  | 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: b912abe12d02bbb5687e87e451e6b7ca74cc14580dc000591325e6d5e7df9ece

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8e72f5622771cdcb7524b0a35ac939bbf678d20747d1b7d5f76c429e9f5c994f",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2012-03-02T09:16:49Z",
    "title_canon_sha256": "3f8d436557d5ae33c67ce75fc33a5b6f4a0cdef11affd761934494b95928a5c1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.0398",
    "kind": "arxiv",
    "version": 2
  }
}