Pith Number

pith:G75DDPT2

pith:2008:G75DDPT2JWFTX7MWBTCLHMT65A

not attested not anchored not stored refs pending

New constraints on H_0 and Omega_M from SZE/X-RAY data and Baryon Acoustic Oscillations

J. A. S. Lima, J. V. Cunha, R. F. L. Holanda

arxiv:0807.0647 v2 · 2008-07-03 · astro-ph · 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{G75DDPT2JWFTX7MWBTCLHMT65A}

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	2026-05-18T04:04:17.423490Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

37fa31be7a4d8b3bfd960cc4b3b27ee833cf32e67ac1dd156f29f477bdc474c9

Aliases

arxiv: 0807.0647 · arxiv_version: 0807.0647v2 · doi: 10.48550/arxiv.0807.0647 · pith_short_12: G75DDPT2JWFT · pith_short_16: G75DDPT2JWFTX7MW · pith_short_8: G75DDPT2

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/G75DDPT2JWFTX7MWBTCLHMT65A \
  | 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: 37fa31be7a4d8b3bfd960cc4b3b27ee833cf32e67ac1dd156f29f477bdc474c9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "501877343b5fff464317f86cf6f17e5b462d142b23b87e355f3f6507cb2a72dd",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://creativecommons.org/licenses/publicdomain/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-07-03T21:09:17Z",
    "title_canon_sha256": "713754a08314498922618d6d0c1bff64d53a824554f1d5b98e7460ebfb4ef40a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0807.0647",
    "kind": "arxiv",
    "version": 2
  }
}