Pith Number

pith:GPGDW4AF

pith:2008:GPGDW4AFANQ4CWVBQEHJHIU3KM

not attested not anchored not stored refs pending

Extracting Angular Diameter Distance and Expansion Rate of the Universe from Two-dimensional Galaxy Power Spectrum at High Redshifts: Baryon Acoustic Oscillation Fitting versus Full Modeling

Austin), Donghui Jeong, Eiichiro Komatsu (Univ. of Texas, Masatoshi Shoji

arxiv:0805.4238 v2 · 2008-05-28 · astro-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{GPGDW4AFANQ4CWVBQEHJHIU3KM}

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	2026-05-18T04:29:33.536967Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

33cc3b70050361c15aa1810e93a29b5317f69722e18c80aea7926b1e27322531

Aliases

arxiv: 0805.4238 · arxiv_version: 0805.4238v2 · doi: 10.48550/arxiv.0805.4238 · pith_short_12: GPGDW4AFANQ4 · pith_short_16: GPGDW4AFANQ4CWVB · pith_short_8: GPGDW4AF

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/GPGDW4AFANQ4CWVBQEHJHIU3KM \
  | 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: 33cc3b70050361c15aa1810e93a29b5317f69722e18c80aea7926b1e27322531

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e90684ffc6b185186c8e423ceec0c24277fa9d70e490c48b97d4019b446da55b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-05-28T00:02:58Z",
    "title_canon_sha256": "9efa7df84e58015b2e1d24c04c11557a1d4d5397c5c4e832922abbe1be0f0f04"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0805.4238",
    "kind": "arxiv",
    "version": 2
  }
}