Pith Number

pith:QOVV7Y76

pith:2015:QOVV7Y764KK4DJQNRSAU5ABG4G

not attested not anchored not stored refs pending

Cosmic Polarization Rotation in view of the recent CMB experiments

Sperello di Serego Alighieri

arxiv:1507.02433 v2 · 2015-07-09 · 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{QOVV7Y764KK4DJQNRSAU5ABG4G}

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	2026-05-18T01:36:37.755846Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

83ab5fe3fee295c1a60d8c814e8026e1a880891c7f5f520bcf586dd6fba8862c

Aliases

arxiv: 1507.02433 · arxiv_version: 1507.02433v2 · doi: 10.48550/arxiv.1507.02433 · pith_short_12: QOVV7Y764KK4 · pith_short_16: QOVV7Y764KK4DJQN · pith_short_8: QOVV7Y76

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/QOVV7Y764KK4DJQNRSAU5ABG4G \
  | 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: 83ab5fe3fee295c1a60d8c814e8026e1a880891c7f5f520bcf586dd6fba8862c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2ce2d8dc1ef77aa23e5993807e3243b1e21058477a2d39a4fd8d0929f409e9cc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2015-07-09T09:42:45Z",
    "title_canon_sha256": "47652a92f8a2bde15b38129da7648b9f8ad8e982e7eae40e3e66e706226af448"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.02433",
    "kind": "arxiv",
    "version": 2
  }
}