Pith Number

pith:OXSJTYBA

pith:2009:OXSJTYBAKDJ7MIGSS72GJD7HDD

not attested not anchored not stored refs pending

Stability of the Einstein static universe in IR modified Ho\v{r}ava gravity

Christian G. Boehmer, Francisco S. N. Lobo

arxiv:0909.3986 v2 · 2009-09-22 · 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{OXSJTYBAKDJ7MIGSS72GJD7HDD}

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	2026-05-18T04:29:54.042185Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

75e499e02050d3f620d297f4648fe718cb4d3e324fba3c8706efa2d344a33cec

Aliases

arxiv: 0909.3986 · arxiv_version: 0909.3986v2 · doi: 10.48550/arxiv.0909.3986 · pith_short_12: OXSJTYBAKDJ7 · pith_short_16: OXSJTYBAKDJ7MIGS · pith_short_8: OXSJTYBA

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/OXSJTYBAKDJ7MIGSS72GJD7HDD \
  | 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: 75e499e02050d3f620d297f4648fe718cb4d3e324fba3c8706efa2d344a33cec

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7cdb2869e2f44b0dab92641cfd3824dd655c13f5f90452c766f8cddb4cb8c106",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2009-09-22T16:52:45Z",
    "title_canon_sha256": "511fb85ac1bb9e92d6c662585e9511ea7332fda01485cf76df585d53e0bb3b7b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.3986",
    "kind": "arxiv",
    "version": 2
  }
}