Pith Number

pith:2XS4VWWJ

pith:2008:2XS4VWWJNZZKBSIYX43Y6Y4J5G

not attested not anchored not stored refs pending

Cosmological Solutions with Torsion in a Model of de Sitter Gauge Theory of Gravity

Chao-Guang Huang, Hai-Qing Zhang, Han-Ying Guo

arxiv:0801.0905 v1 · 2008-01-07 · 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{2XS4VWWJNZZKBSIYX43Y6Y4J5G}

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	2026-05-18T04:18:13.509537Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d5e5cadac96e72a0c918bf378f6389e984bae41157b920bb8d5cb1e2a79ba6c9

Aliases

arxiv: 0801.0905 · arxiv_version: 0801.0905v1 · doi: 10.48550/arxiv.0801.0905 · pith_short_12: 2XS4VWWJNZZK · pith_short_16: 2XS4VWWJNZZKBSIY · pith_short_8: 2XS4VWWJ

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/2XS4VWWJNZZKBSIYX43Y6Y4J5G \
  | 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: d5e5cadac96e72a0c918bf378f6389e984bae41157b920bb8d5cb1e2a79ba6c9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2ccf422863887942466e4d049f43ca9f46980176f9261a5f1870d92234e2f7d0",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2008-01-07T05:34:48Z",
    "title_canon_sha256": "57c7c4bacb19206e0aab8bf141c9cad100c688b333fc5756f01ce4add7821a6f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0801.0905",
    "kind": "arxiv",
    "version": 1
  }
}