Pith Number

pith:BOG26UFJ

pith:2010:BOG26UFJVTC6QGDHNTIJJSCF7K

not attested not anchored not stored refs pending

Extra polarization states of cosmological gravitational waves in alternative theories of gravity

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

arxiv:1004.5580 v1 · 2010-04-30 · gr-qc · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BOG26UFJVTC6QGDHNTIJJSCF7K}

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	2026-05-18T02:33:33.114814Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0b8daf50a9acc5e818676cd094c845fa9e5b226e05f0c5ca09395f3f1b218f53

Aliases

arxiv: 1004.5580 · arxiv_version: 1004.5580v1 · doi: 10.48550/arxiv.1004.5580 · pith_short_12: BOG26UFJVTC6 · pith_short_16: BOG26UFJVTC6QGDH · pith_short_8: BOG26UFJ

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/BOG26UFJVTC6QGDHNTIJJSCF7K \
  | 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: 0b8daf50a9acc5e818676cd094c845fa9e5b226e05f0c5ca09395f3f1b218f53

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2b0b9466472871415c15b7a33097432cd25b6a44b6977ca4d79e8390b1d0607e",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2010-04-30T17:37:07Z",
    "title_canon_sha256": "df7a3437c390cb03e1a2fdafa250bdb0cb22301717b9ce7ca707dd20971a5d4c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1004.5580",
    "kind": "arxiv",
    "version": 1
  }
}