Pith Number

pith:6GNEDK5W

pith:2015:6GNEDK5WLGUQLO2BLB4RTCA55J

not attested not anchored not stored refs pending

Gauge-Invariant Perturbations in Hybrid Quantum Cosmology

Guillermo A. Mena Marug\'an, Laura Castell\'o Gomar, Mercedes Mart\'in-Benito

arxiv:1503.03907 v2 · 2015-03-12 · 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{6GNEDK5WLGUQLO2BLB4RTCA55J}

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

2 papers in Pith

Quantum Cosmological Backreactions II: Purely Homogeneous Quantum Cosmology

Quantum Cosmological Backreactions III: Deparametrised Quantum Cosmological Perturbation Theory

Receipt and verification

First computed	2026-05-18T01:25:55.464502Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f19a41abb659a905bb41587919881dea44910e0fa910d275380fd9107fcb90f6

Aliases

arxiv: 1503.03907 · arxiv_version: 1503.03907v2 · doi: 10.48550/arxiv.1503.03907 · pith_short_12: 6GNEDK5WLGUQ · pith_short_16: 6GNEDK5WLGUQLO2B · pith_short_8: 6GNEDK5W

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/6GNEDK5WLGUQLO2BLB4RTCA55J \
  | 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: f19a41abb659a905bb41587919881dea44910e0fa910d275380fd9107fcb90f6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0fba5d5b6338740e4f09488f2d9aefea4c183c2c58d19f67a036d7cc9845b3be",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2015-03-12T22:32:15Z",
    "title_canon_sha256": "36dafa9c354393606f834ed49298871fce961d2d9bb03ea032f31bc6a0fa4ac4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.03907",
    "kind": "arxiv",
    "version": 2
  }
}