Pith Number

pith:FZKJ46UI

pith:2014:FZKJ46UIFDB62NSZVNKT7TJ4TB

not attested not anchored not stored refs pending

Effective dynamics of scalar perturbations in a flat Friedmann-Robertson-Walker spacetime in Loop Quantum Cosmology

Guillermo A. Mena Marug\'an, Javier Olmedo, Mikel Fern\'andez-M\'endez

arxiv:1401.5256 v1 · 2014-01-21 · 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{FZKJ46UIFDB62NSZVNKT7TJ4TB}

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	2026-05-18T02:31:38.295011Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2e549e7a8828c3ed3659ab553fcd3c984ba0e226f3fba22f3d784983953ba380

Aliases

arxiv: 1401.5256 · arxiv_version: 1401.5256v1 · doi: 10.48550/arxiv.1401.5256 · pith_short_12: FZKJ46UIFDB6 · pith_short_16: FZKJ46UIFDB62NSZ · pith_short_8: FZKJ46UI

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/FZKJ46UIFDB62NSZVNKT7TJ4TB \
  | 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: 2e549e7a8828c3ed3659ab553fcd3c984ba0e226f3fba22f3d784983953ba380

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5d21e5f1875659ba7c6d3e14c90bd2e56c6596472a446f20f52cdff282aa0391",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2014-01-21T10:33:12Z",
    "title_canon_sha256": "970250fa2fadcf0a6a8d5f8876dc2ec572f54113e110e8e51e65b3cda4e3a53b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.5256",
    "kind": "arxiv",
    "version": 1
  }
}