pith. sign in
Pith Number

pith:EUZKCYCL

pith:2018:EUZKCYCLCXOQUABOROJVVQHNPP
not attested not anchored not stored refs pending

Is the $H_0$ tension suggesting a 4th neutrino's generation?

C. Pigozzo, F. Sobreira, P. C. De Holanda, S. Carneiro

arxiv:1812.06064 v2 · 2018-12-14 · astro-ph.CO · gr-qc · hep-ph

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

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 2026-05-17T23:41:00.983262Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

2532a1604b15dd0a002e8b935ac0ed7bfbe0d6af6e242f7aeb9e215c71f681a0

Aliases

arxiv: 1812.06064 · arxiv_version: 1812.06064v2 · doi: 10.48550/arxiv.1812.06064 · pith_short_12: EUZKCYCLCXOQ · pith_short_16: EUZKCYCLCXOQUABO · pith_short_8: EUZKCYCL
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/EUZKCYCLCXOQUABOROJVVQHNPP \
  | 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: 2532a1604b15dd0a002e8b935ac0ed7bfbe0d6af6e242f7aeb9e215c71f681a0
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "2d6ae5446abba91b7b15144607ce3edcf60877f6cd17207a098fc00a7295deca",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2018-12-14T18:25:20Z",
    "title_canon_sha256": "ef9fcfdfb8fc93877e2d99f99362048c4fd6929f4befb4dda00c1ac609043c6f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.06064",
    "kind": "arxiv",
    "version": 2
  }
}