Pith Number

pith:2DAJZBLX

pith:2023:2DAJZBLXCLJPIHYPEFI5T3ALE7

not attested not anchored not stored refs pending

Measuring inflaton couplings via dark radiation as $\Delta N_{\rm eff}$ in CMB

Anish Ghoshal, Shiladitya Porey, Zygmunt Lalak

arxiv:2302.03268 v3 · 2023-02-07 · hep-ph · 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{2DAJZBLXCLJPIHYPEFI5T3ALE7}

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

An EFT Map of Axion Dark Radiation from Reheating

CMB signatures of gravity-mediated dark radiation in $\mathbf{\Delta N_{\rm eff}}$

Receipt and verification

First computed	2026-07-05T07:02:48.405240Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d0c09c857712d2f41f0f2151d9ec0b27ed79e3ea038e07e2787a2207381aba51

Aliases

arxiv: 2302.03268 · arxiv_version: 2302.03268v3 · doi: 10.48550/arxiv.2302.03268 · pith_short_12: 2DAJZBLXCLJP · pith_short_16: 2DAJZBLXCLJPIHYP · pith_short_8: 2DAJZBLX

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/2DAJZBLXCLJPIHYPEFI5T3ALE7 \
  | 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: d0c09c857712d2f41f0f2151d9ec0b27ed79e3ea038e07e2787a2207381aba51

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "73515eb993cb21791e9ab829960765f5316b577758983ca00b8e8d9ac7c3ba89",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-ph",
    "submitted_at": "2023-02-07T05:45:51Z",
    "title_canon_sha256": "d57c8c782bae761689101390ef2702e8b5407f719b94531f228d0f428dca5ac0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2302.03268",
    "kind": "arxiv",
    "version": 3
  }
}