Pith Number

pith:RVYR22SQ

pith:2008:RVYR22SQPXM4SOQHXFV443KTBX

not attested not anchored not stored refs pending

First Cosmological Constraints on Dark Energy from the Radial Baryon Acoustic Scale

Enrique Gaztanaga, Eusebio Sanchez, Ramon Miquel

arxiv:0808.1921 v4 · 2008-08-14 · astro-ph · gr-qc · hep-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RVYR22SQPXM4SOQHXFV443KTBX}

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	2026-07-04T15:48:43.141370Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8d711d6a507dd9c93a07b96bce6d530deb9ac3d8663122cff8a6b9d351dbaaed

Aliases

arxiv: 0808.1921 · arxiv_version: 0808.1921v4 · doi: 10.48550/arxiv.0808.1921 · pith_short_12: RVYR22SQPXM4 · pith_short_16: RVYR22SQPXM4SOQH · pith_short_8: RVYR22SQ

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/RVYR22SQPXM4SOQHXFV443KTBX \
  | 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: 8d711d6a507dd9c93a07b96bce6d530deb9ac3d8663122cff8a6b9d351dbaaed

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b1abbbde5442a99c90e47070837b7be7705408a510cbbffb919b151485cd031d",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-08-14T00:04:57Z",
    "title_canon_sha256": "6c7c2f0b91c87a2fd62008bcd45bb3f86e56460de71125e20e206496707f50d4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0808.1921",
    "kind": "arxiv",
    "version": 4
  }
}