Pith Number

pith:BQR23DF7

pith:2011:BQR23DF7MAR2COXD6TUDCCRGZB

not attested not anchored not stored refs pending

Oscillating Bianchi IX Universe in Horava-Lifshitz Gravity

Kei-ichi Maeda, Tsutomu Kobayashi, Yosuke Misonoh

arxiv:1104.3978 v2 · 2011-04-20 · hep-th · astro-ph.CO · 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{BQR23DF7MAR2COXD6TUDCCRGZB}

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	2026-05-18T02:22:01.953265Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0c23ad8cbf6023a13ae3f4e8310a26c8504d6b9ad2b3714bd8855f8f2855e3b3

Aliases

arxiv: 1104.3978 · arxiv_version: 1104.3978v2 · doi: 10.48550/arxiv.1104.3978 · pith_short_12: BQR23DF7MAR2 · pith_short_16: BQR23DF7MAR2COXD · pith_short_8: BQR23DF7

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/BQR23DF7MAR2COXD6TUDCCRGZB \
  | 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: 0c23ad8cbf6023a13ae3f4e8310a26c8504d6b9ad2b3714bd8855f8f2855e3b3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ce5de7ac432375518d527506321ace67ef0116dc86328703950994e0f9e817fd",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2011-04-20T09:40:58Z",
    "title_canon_sha256": "af4a034878df780b46c4f5fd0f1e07e147e5814e4b7bab981afd9d1ba1d90955"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.3978",
    "kind": "arxiv",
    "version": 2
  }
}