Pith Number

pith:DAXYIXVE

pith:2026:DAXYIXVECTLFPPXA5NCJKKFDNZ

not attested not anchored not stored refs pending

Heavy neutral leptons beyond the BBN bound: probing the lepton asymmetry of the Universe

Kensuke Akita, Maksym Ovchynnikov, Vsevolod Syvolap

arxiv:2608.10123 v1 · 2026-08-10 · 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{DAXYIXVECTLFPPXA5NCJKKFDNZ}

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.

Receipt and verification

First computed	2026-08-12T00:22:51.667393Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

182f845ea414d657bee0eb449528a36e6dcbb8e86d862ca5d825e95ea9ab640a

Aliases

arxiv: 2608.10123 · arxiv_version: 2608.10123v1 · doi: 10.48550/arxiv.2608.10123 · pith_short_12: DAXYIXVECTLF · pith_short_16: DAXYIXVECTLFPPXA · pith_short_8: DAXYIXVE

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/DAXYIXVECTLFPPXA5NCJKKFDNZ \
  | 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: 182f845ea414d657bee0eb449528a36e6dcbb8e86d862ca5d825e95ea9ab640a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8ba9baa528c9b8493bb29bd375aa2a7e4a08dc3ac8afe199493e7258943107d7",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "hep-ph",
    "submitted_at": "2026-08-10T18:36:46Z",
    "title_canon_sha256": "dfa71dbabb54ae8ab670964d4357b639aed058dc19cbed145f428c9a95d7a107"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2608.10123",
    "kind": "arxiv",
    "version": 1
  }
}