pith. sign in
Pith Number

pith:PGCQBSMH

pith:2018:PGCQBSMH7BTRPIQMF52PVB6KSD
not attested not anchored not stored refs pending

Gravitational Waves in Locally Rotationally Symmetric (LRS) Class II Cosmologies

Mats Forsberg, Michael Bradley, Zolt\'an Keresztes

arxiv:1801.01147 v1 · 2018-01-03 · gr-qc

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{PGCQBSMH7BTRPIQMF52PVB6KSD}

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 2026-05-18T00:26:42.992813Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

798500c987f86717a20c2f74fa87ca90c2594c7c8da51cb36c384a673bba8fca

Aliases

arxiv: 1801.01147 · arxiv_version: 1801.01147v1 · doi: 10.48550/arxiv.1801.01147 · pith_short_12: PGCQBSMH7BTR · pith_short_16: PGCQBSMH7BTRPIQM · pith_short_8: PGCQBSMH
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/PGCQBSMH7BTRPIQMF52PVB6KSD \
  | 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: 798500c987f86717a20c2f74fa87ca90c2594c7c8da51cb36c384a673bba8fca
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "ee4744f1226b38bbdb8cf16fb04d1b333298a2052ae95b4d8dc084e3f165dffc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2018-01-03T19:26:00Z",
    "title_canon_sha256": "1fdb37c84eddd10491c3aba766d02163ebd3f824813fc855523de167c78917a9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.01147",
    "kind": "arxiv",
    "version": 1
  }
}