Pith Number

pith:HQR6PX2B

pith:2008:HQR6PX2B5YFFE4I4ZBWNKFOHYX

not attested not anchored not stored refs pending

Damping of the baryon acoustic oscillations in the matter power spectrum as a probe of the growth factor

Hidenori Nomura, Kazuhiro Yamamoto, Takahiro Nishimichi

arxiv:0809.4538 v2 · 2008-09-26 · 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{HQR6PX2B5YFFE4I4ZBWNKFOHYX}

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	2026-05-18T02:35:14.664924Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3c23e7df41ee0a52711cc86cd515c7c5ca276c450d96fe7136c14130c52594d7

Aliases

arxiv: 0809.4538 · arxiv_version: 0809.4538v2 · doi: 10.48550/arxiv.0809.4538 · pith_short_12: HQR6PX2B5YFF · pith_short_16: HQR6PX2B5YFFE4I4 · pith_short_8: HQR6PX2B

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/HQR6PX2B5YFFE4I4ZBWNKFOHYX \
  | 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: 3c23e7df41ee0a52711cc86cd515c7c5ca276c450d96fe7136c14130c52594d7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a8745c6d5023aed0b62dd1968be3db43a42444a86445a01442d7f0b299552241",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-09-26T06:24:02Z",
    "title_canon_sha256": "4a4c711bb8b52a15d33bfa3aa9351e5661471d5cb72cd22e28b06cce51892415"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0809.4538",
    "kind": "arxiv",
    "version": 2
  }
}