Pith Number

pith:ASXP4KM4

pith:2020:ASXP4KM44AKTYHFU6RSHF7ZUFY

not attested not anchored not stored refs pending

Dirac neutrinos and $N_{{\rm eff}}$

Werner Rodejohann, Xuheng Luo, Xun-Jie Xu

arxiv:2005.01629 v1 · 2020-05-04 · hep-ph · astro-ph.CO · hep-ex

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ASXP4KM44AKTYHFU6RSHF7ZUFY}

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

$Z^\prime$ Portal Dark Matter with Observable $\Delta N_{\rm eff}$

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

Receipt and verification

First computed	2026-07-05T01:14:49.531507Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

04aefe299ce0153c1cb4f46472ff342e17815ec76e04701d61af6967cb761909

Aliases

arxiv: 2005.01629 · arxiv_version: 2005.01629v1 · doi: 10.48550/arxiv.2005.01629 · pith_short_12: ASXP4KM44AKT · pith_short_16: ASXP4KM44AKTYHFU · pith_short_8: ASXP4KM4

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/ASXP4KM44AKTYHFU6RSHF7ZUFY \
  | 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: 04aefe299ce0153c1cb4f46472ff342e17815ec76e04701d61af6967cb761909

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bfba328eb49133030d6e3025b0dd27fc83074fa91d47257d4da09c7a931612e9",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "hep-ex"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-ph",
    "submitted_at": "2020-05-04T16:36:17Z",
    "title_canon_sha256": "39ffd05a0bd41f43a4f7c572857c84732cd9b78a9ae1cc50a3b34f2eeb5a8fac"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2005.01629",
    "kind": "arxiv",
    "version": 1
  }
}