Pith Number

pith:DYCJSLPQ

pith:2026:DYCJSLPQRVDPDUGD2XOZWYTREG

not attested not anchored not stored refs pending

Time-of-Flight Constraints on Neutrino Millicharge from Supernova Neutrinos in Galactic Magnetic Fields

AmirFarzan Esmaeili, Ernesto Kemp, Guilherme A. Nogueira, Pedro Cunha de Holanda, Pedro Dedin Neto

Millicharged neutrinos acquire a time delay in Galactic magnetic fields that scales identically to the mass-induced delay, allowing supernova observations to bound the neutrino charge.

arxiv:2604.26013 v2 · 2026-04-28 · hep-ph · astro-ph.HE

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\usepackage{pith}
\pithnumber{DYCJSLPQRVDPDUGD2XOZWYTREG}

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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.

Claims

C1strongest claim

We propose a framework to reinterpret supernova time-of-flight limits on neutrino mass as constraints on neutrino millicharge... obtain bounds ranging from the ∼10^{-17} e level for SN1987A to the low-10^{-19} e regime for next-generation Galactic bursts, with optimistic combinations... approaching ∼10^{-20} e.

C2weakest assumption

The line-of-sight magnetic delay kernel accurately captures the deflection without significant systematic error from unknown field structure or turbulence, and that the mass and millicharge contributions can be disentangled when neutrino mass is nonzero (as the paper itself discusses).

C3one line summary

Reinterpreting SN1987A and future galactic supernova time-of-flight data yields neutrino millicharge bounds from 10^{-17} e down to 10^{-19} e or better using a line-of-sight magnetic delay kernel.

Receipt and verification

First computed	2026-05-20T00:05:45.447978Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1e04992df08d46f1d0c3d5dd9b627121adbb23482094133b11e6af3b7bf4bf6e

Aliases

arxiv: 2604.26013 · arxiv_version: 2604.26013v2 · doi: 10.48550/arxiv.2604.26013 · pith_short_12: DYCJSLPQRVDP · pith_short_16: DYCJSLPQRVDPDUGD · pith_short_8: DYCJSLPQ

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/DYCJSLPQRVDPDUGD2XOZWYTREG \
  | 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: 1e04992df08d46f1d0c3d5dd9b627121adbb23482094133b11e6af3b7bf4bf6e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "19470ba5b3361d5ebbf8022807b5889bdc3d710a1b08f4a48469e5bf73f3109d",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "hep-ph",
    "submitted_at": "2026-04-28T18:00:08Z",
    "title_canon_sha256": "8d6c10410dcde7e7bfcc2e0e672669ed9eec20c66f35afa2b6d56a7c468f8e03"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2604.26013",
    "kind": "arxiv",
    "version": 2
  }
}