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Pith Number

pith:XWZDFS2T

pith:2011:XWZDFS2T4BQGEO3BTTAHJIMRXR
not attested not anchored not stored refs pending

Isocurvature perturbations in extra radiation

Kazunori Nakayama, Koichi Miyamoto, Masahiro Kawasaki, Toyokazu Sekiguchi

arxiv:1107.4962 v2 · 2011-07-25 · astro-ph.CO · hep-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{XWZDFS2T4BQGEO3BTTAHJIMRXR}

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

2 papers in Pith

Receipt and verification
First computed 2026-05-18T02:01:10.488177Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

bdb232cb53e060623b619cc074a191bc709f545baac8c65447d95cc97797353c

Aliases

arxiv: 1107.4962 · arxiv_version: 1107.4962v2 · doi: 10.48550/arxiv.1107.4962 · pith_short_12: XWZDFS2T4BQG · pith_short_16: XWZDFS2T4BQGEO3B · pith_short_8: XWZDFS2T
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/XWZDFS2T4BQGEO3BTTAHJIMRXR \
  | 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: bdb232cb53e060623b619cc074a191bc709f545baac8c65447d95cc97797353c
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "b7b03fab37d67650058fc6a9d3ede4cd7ef92243ffc05362f72eb76115ac9826",
    "cross_cats_sorted": [
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-07-25T14:44:30Z",
    "title_canon_sha256": "58e102b1aae7652fc19fdab65b784fa3e3d63bb49be03df9cec3c59b49996bc6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.4962",
    "kind": "arxiv",
    "version": 2
  }
}