Pith Number

pith:CGJGTGZE

pith:2007:CGJGTGZEPMNAJD44SEPUBK3MDK

not attested not anchored not stored refs pending

Stability of de Sitter spacetime under isotropic perturbations in semiclassical gravity

Albert Roura, Enric Verdaguer, Guillem Perez-Nadal

arxiv:0712.2282 v1 · 2007-12-14 · 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{CGJGTGZEPMNAJD44SEPUBK3MDK}

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	2026-07-04T15:30:49.523922Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1192699b247b1a048f9c911f40ab6c1aa9d24f59699238f8d41fbe367fe23a97

Aliases

arxiv: 0712.2282 · arxiv_version: 0712.2282v1 · doi: 10.48550/arxiv.0712.2282 · pith_short_12: CGJGTGZEPMNA · pith_short_16: CGJGTGZEPMNAJD44 · pith_short_8: CGJGTGZE

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/CGJGTGZEPMNAJD44SEPUBK3MDK \
  | 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: 1192699b247b1a048f9c911f40ab6c1aa9d24f59699238f8d41fbe367fe23a97

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d0796198fc3945318cc161e97d36af7a0479d29b9ef8ffb7b7de075aacff48cf",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2007-12-14T05:14:45Z",
    "title_canon_sha256": "cc0a88fcd447c6b61e1150fe9f8916c5b03a562aab027bc3982608ee6ed82c12"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0712.2282",
    "kind": "arxiv",
    "version": 1
  }
}