Pith Number

pith:RYJ7WBO4

pith:2022:RYJ7WBO4Y3YLARDJGQFFYE4MW3

not attested not anchored not stored refs pending

New formalism to define vacuum states for scalar fields in curved space-times

Mariana Penna-Lima, Nelson Pinto-Neto, Sandro D. P. Vitenti

arxiv:2207.08270 v1 · 2022-07-17 · gr-qc · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RYJ7WBO4Y3YLARDJGQFFYE4MW3}

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

Stable initial conditions and analytical investigations of cosmological perturbations in a modified loop quantum cosmology

Receipt and verification

First computed	2026-07-05T05:59:38.124247Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8e13fb05dcc6f0b04469340a5c138cb6f9a43f33676d81f08d246f9d8b98e0fa

Aliases

arxiv: 2207.08270 · arxiv_version: 2207.08270v1 · doi: 10.48550/arxiv.2207.08270 · pith_short_12: RYJ7WBO4Y3YL · pith_short_16: RYJ7WBO4Y3YLARDJ · pith_short_8: RYJ7WBO4

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/RYJ7WBO4Y3YLARDJGQFFYE4MW3 \
  | 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: 8e13fb05dcc6f0b04469340a5c138cb6f9a43f33676d81f08d246f9d8b98e0fa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b9068969c295e3ffacd96e5119aec394668da097bb519600428e071730d5dba3",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2022-07-17T19:43:32Z",
    "title_canon_sha256": "841f0e75bd3ef2d87a7f0f23ffddc9b5a523f1ddbaea9b2f6493f788dcfa091b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2207.08270",
    "kind": "arxiv",
    "version": 1
  }
}