Pith Number

pith:HKQVTXBA

pith:2009:HKQVTXBA2PYWKQVOLIMPR7RJZA

not attested not anchored not stored refs pending

Can Massive Gravitons be an Alternative to Dark Energy?

Jose C. N. de Araujo, Marcio E. S. Alves, Oswaldo D. Miranda

arxiv:0907.5190 v2 · 2009-07-29 · 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{HKQVTXBA2PYWKQVOLIMPR7RJZA}

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	2026-05-18T04:41:54.858491Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3aa159dc20d3f16542ae5a18f8fe29c82ac3c69206158d04c25346e3d6543775

Aliases

arxiv: 0907.5190 · arxiv_version: 0907.5190v2 · doi: 10.48550/arxiv.0907.5190 · pith_short_12: HKQVTXBA2PYW · pith_short_16: HKQVTXBA2PYWKQVO · pith_short_8: HKQVTXBA

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/HKQVTXBA2PYWKQVOLIMPR7RJZA \
  | 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: 3aa159dc20d3f16542ae5a18f8fe29c82ac3c69206158d04c25346e3d6543775

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6f246f9cec99dba66b2f8a828d3683f70b56df34a0c795d97c79a79d1bf795a1",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-07-29T18:49:03Z",
    "title_canon_sha256": "d9e86be829ef863e80469d30163880a2b5ab133ffc6e44fa3824ff4a4ad43ae5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0907.5190",
    "kind": "arxiv",
    "version": 2
  }
}