Pith Number

pith:5LYCXLHE

pith:2011:5LYCXLHEML3D4QIMS5UMXPCLT3

not attested not anchored not stored refs pending

WMAP 7 year constraints on CPT violation from large angle CMB anisotropies

A. De Rosa, A. Gruppuso, F. Finelli, F. Paci, N. Mandolesi, P. Natoli

arxiv:1107.5548 v2 · 2011-07-27 · astro-ph.CO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5LYCXLHEML3D4QIMS5UMXPCLT3}

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	2026-05-18T02:01:08.817116Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eaf02bace462f63e410c9768cbbc4b9efc10829457517413f97c75b6155816cb

Aliases

arxiv: 1107.5548 · arxiv_version: 1107.5548v2 · doi: 10.48550/arxiv.1107.5548 · pith_short_12: 5LYCXLHEML3D · pith_short_16: 5LYCXLHEML3D4QIM · pith_short_8: 5LYCXLHE

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/5LYCXLHEML3D4QIMS5UMXPCLT3 \
  | 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: eaf02bace462f63e410c9768cbbc4b9efc10829457517413f97c75b6155816cb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "75afc7556ba4bb46d82423a56c657b733c85b41f6f694ea4b05170ecdf841d36",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-07-27T17:43:10Z",
    "title_canon_sha256": "e640349b687459986bb65e36f81f2f140c8a3afee4a8c32d544f7e50a4257521"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.5548",
    "kind": "arxiv",
    "version": 2
  }
}