Pith Number

pith:R5XU4MXW

pith:2008:R5XU4MXWT6BUBOM7TZUCFCGYBI

not attested not anchored not stored refs pending

Relic Gravitational Waves And CMB Polarization In The Accelerating Universe

H. X. Miao, T. Y. Xia, W. Zhao, X. Z. Er, Y. Zhang

arxiv:0806.2243 v2 · 2008-06-13 · 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{R5XU4MXWT6BUBOM7TZUCFCGYBI}

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	2026-07-04T17:11:16.174279Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8f6f4e32f69f8340b99f9e682288d80a1838c29199eacbb3928a99174b844533

Aliases

arxiv: 0806.2243 · arxiv_version: 0806.2243v2 · doi: 10.48550/arxiv.0806.2243 · pith_short_12: R5XU4MXWT6BU · pith_short_16: R5XU4MXWT6BUBOM7 · pith_short_8: R5XU4MXW

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/R5XU4MXWT6BUBOM7TZUCFCGYBI \
  | 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: 8f6f4e32f69f8340b99f9e682288d80a1838c29199eacbb3928a99174b844533

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8920999478a0cf6fcadf2d3570426170212c41cb203b29bf7a86095979657866",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/3.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-06-13T13:15:01Z",
    "title_canon_sha256": "c1965db9937e8a53764c16e1c84b9660d78fb84e6534d9d1dfc03230357124c9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0806.2243",
    "kind": "arxiv",
    "version": 2
  }
}