Pith Number

pith:BTPZUTFK

pith:2008:BTPZUTFKKGM5BUHH37XCHYBDLS

not attested not anchored not stored refs pending

Conformally Invariant "Massless" Spin-2 Field in de Sitter Universe

M. Dehghani, M.R. Tanhayi, M.V. Takook, S. Rouhani

arxiv:0805.2227 v1 · 2008-05-15 · 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{BTPZUTFKKGM5BUHH37XCHYBDLS}

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	2026-05-18T02:49:46.362968Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0cdf9a4caa5199d0d0e7dfee23e0235ca4f2caa2d40056fab6613d1c49765b7e

Aliases

arxiv: 0805.2227 · arxiv_version: 0805.2227v1 · doi: 10.48550/arxiv.0805.2227 · pith_short_12: BTPZUTFKKGM5 · pith_short_16: BTPZUTFKKGM5BUHH · pith_short_8: BTPZUTFK

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/BTPZUTFKKGM5BUHH37XCHYBDLS \
  | 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: 0cdf9a4caa5199d0d0e7dfee23e0235ca4f2caa2d40056fab6613d1c49765b7e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "11668f41061f27c11a2e7719b5750db34f7183f32433bb55c5b892cf31791ac0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2008-05-15T08:12:58Z",
    "title_canon_sha256": "6d6520274861d598f435b60041d3615cc770fb692a6675700f7ce106d5bd1b27"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0805.2227",
    "kind": "arxiv",
    "version": 1
  }
}