Pith Number

pith:AZO4K7KK

pith:2008:AZO4K7KKHMSNELPRU4HOWQOKWY

not attested not anchored not stored refs pending

Testing CPT Symmetry with CMB Measurements: Update after WMAP5

Gong-Bo Zhao, Hong Li, Jun-Qing Xia, Xinmin Zhang

arxiv:0803.2350 v3 · 2008-03-17 · 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{AZO4K7KKHMSNELPRU4HOWQOKWY}

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	2026-05-18T04:36:41.384732Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

065dc57d4a3b24d22df1a70eeb41cab62d28b43424d2f0a2e1969a304e007160

Aliases

arxiv: 0803.2350 · arxiv_version: 0803.2350v3 · doi: 10.48550/arxiv.0803.2350 · pith_short_12: AZO4K7KKHMSN · pith_short_16: AZO4K7KKHMSNELPR · pith_short_8: AZO4K7KK

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/AZO4K7KKHMSNELPRU4HOWQOKWY \
  | 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: 065dc57d4a3b24d22df1a70eeb41cab62d28b43424d2f0a2e1969a304e007160

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "58b897cbfe61684142d8a40a2095ae4f65a81829e612c7eeb11910fa431e647f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-03-17T11:51:13Z",
    "title_canon_sha256": "60e0a06148d0e81cc76bd7bb9686d726d0b1cf8e4d82e068462ac33e12e2c72d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0803.2350",
    "kind": "arxiv",
    "version": 3
  }
}