pith. sign in
Pith Number

pith:LJS7ABPQ

pith:2009:LJS7ABPQ6QOEMHVHUOR5OMG3KL
not attested not anchored not stored refs pending

Probing CPT Violation with CMB Polarization Measurements

Hong Li, Jun-Qing Xia, Xinmin Zhang

arxiv:0908.1876 v3 · 2009-08-13 · astro-ph.CO · hep-ph · hep-th

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{LJS7ABPQ6QOEMHVHUOR5OMG3KL}

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.

Cited by

1 paper in Pith

Receipt and verification
First computed 2026-05-18T02:24:47.728904Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

5a65f005f0f41c461ea7a3a3d730db52ebc21eb9d7f4eda89ac86edf13d94377

Aliases

arxiv: 0908.1876 · arxiv_version: 0908.1876v3 · doi: 10.48550/arxiv.0908.1876 · pith_short_12: LJS7ABPQ6QOE · pith_short_16: LJS7ABPQ6QOEMHVH · pith_short_8: LJS7ABPQ
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/LJS7ABPQ6QOEMHVHUOR5OMG3KL \
  | 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: 5a65f005f0f41c461ea7a3a3d730db52ebc21eb9d7f4eda89ac86edf13d94377
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "bd44f0a4ff56ae1db380e9b386cfca4007e833af4d342a7f0d3b32d824018a6f",
    "cross_cats_sorted": [
      "hep-ph",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-08-13T11:45:01Z",
    "title_canon_sha256": "fc8cbac824a038d0b3e0f6d81801a2d16bc8462cd63d99dcd6be6b79168fc6ca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0908.1876",
    "kind": "arxiv",
    "version": 3
  }
}