Pith Number

pith:ZWZGVAP4

pith:2018:ZWZGVAP4HWG3QPK4F5ECS4OYAH

not attested not anchored not stored refs pending

Cosmological perturbations in a class of fully covariant modified theories: Application to models with the same background as standard LQC

Emili Elizalde, Jaume de Haro, Llibert Arest\'e Sal\'o

arxiv:1806.07196 v2 · 2018-06-19 · 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{ZWZGVAP4HWG3QPK4F5ECS4OYAH}

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	2026-05-18T00:01:48.784865Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cdb26a81fc3d8db83d5c2f482971d801ee3f07c31d4538a252278e7628a2e2d5

Aliases

arxiv: 1806.07196 · arxiv_version: 1806.07196v2 · doi: 10.48550/arxiv.1806.07196 · pith_short_12: ZWZGVAP4HWG3 · pith_short_16: ZWZGVAP4HWG3QPK4 · pith_short_8: ZWZGVAP4

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/ZWZGVAP4HWG3QPK4F5ECS4OYAH \
  | 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: cdb26a81fc3d8db83d5c2f482971d801ee3f07c31d4538a252278e7628a2e2d5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "15fe0416f7abb88013a229f3dddbb7ccdd69276ee50fa320e3dbe039095052b3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2018-06-19T12:55:36Z",
    "title_canon_sha256": "dd06c68d2bcb9acccdcc932ca572d8db0b5fb343b1b15fc35045a9afb7983862"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.07196",
    "kind": "arxiv",
    "version": 2
  }
}