Pith Number

pith:4LC37PDN

pith:2009:4LC37PDNOKRWLUMEZBOB5CKFL4

not attested not anchored not stored refs pending

A conformally coupled massive scalar field in the de Sitter expanding universe with the mass term treated as a perturbation

Atsushi Higuchi, Yen Cheong Lee

arxiv:0903.3881 v2 · 2009-03-23 · gr-qc · hep-th

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4LC37PDNOKRWLUMEZBOB5CKFL4}

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	2026-05-18T02:35:00.229357Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e2c5bfbc6d72a365d184c85c1e89455f2e4a88953d3d7e93b9ef9ddbd7869d76

Aliases

arxiv: 0903.3881 · arxiv_version: 0903.3881v2 · doi: 10.48550/arxiv.0903.3881 · pith_short_12: 4LC37PDNOKRW · pith_short_16: 4LC37PDNOKRWLUME · pith_short_8: 4LC37PDN

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/4LC37PDNOKRWLUMEZBOB5CKFL4 \
  | 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: e2c5bfbc6d72a365d184c85c1e89455f2e4a88953d3d7e93b9ef9ddbd7869d76

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b0da89c9c8ba122bba1104689c835656ded03011ea92f09c57124b3ca91aec9b",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2009-03-23T15:55:32Z",
    "title_canon_sha256": "acc021c1880e2deffd90dc6325e9f2fc0f1cee1f5a81a264284a08439dab0d47"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0903.3881",
    "kind": "arxiv",
    "version": 2
  }
}