Pith Number

pith:CYVLDT53

pith:2009:CYVLDT53PO5HOEW4SHQDBUTANG

not attested not anchored not stored refs pending

Scalar field fluctuations in Schwarzschild-de Sitter space-time

Hing-Tong Cho, I-Chin Wang, Kin-Wang Ng

arxiv:0905.2041 v4 · 2009-05-13 · astro-ph.CO · gr-qc · hep-th

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CYVLDT53PO5HOEW4SHQDBUTANG}

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	2026-05-18T04:28:30.143166Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

162ab1cfbb7bba7712dc91e030d260698275bd3c284ffc3b01660cf55791bafc

Aliases

arxiv: 0905.2041 · arxiv_version: 0905.2041v4 · doi: 10.48550/arxiv.0905.2041 · pith_short_12: CYVLDT53PO5H · pith_short_16: CYVLDT53PO5HOEW4 · pith_short_8: CYVLDT53

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/CYVLDT53PO5HOEW4SHQDBUTANG \
  | 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: 162ab1cfbb7bba7712dc91e030d260698275bd3c284ffc3b01660cf55791bafc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2730f70de8b923f8049c33eb9fa71693d2fbe359cf5ad6e691f7c3b03dbf7e3f",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-05-13T08:58:10Z",
    "title_canon_sha256": "0279abd173ab3327dace6807ae45799fc5962fa7ad249c1ffbf6fc4359702c84"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0905.2041",
    "kind": "arxiv",
    "version": 4
  }
}