pith. sign in
Pith Number

pith:CE4B6C67

pith:2019:CE4B6C67AIVVOYHPVDD5XNV2JZ
not attested not anchored not stored refs pending

How to relax the cosmological neutrino mass bound

Dominik J. Schwarz, Gabriela Barenboim, Isabel M. Oldengott, Jordi Salvado, Sarah Kahlen

arxiv:1901.04352 v2 · 2019-01-14 · astro-ph.CO · hep-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{CE4B6C67AIVVOYHPVDD5XNV2JZ}

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 2026-05-17T23:44:47.701261Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

11381f0bdf022b5760efa8c7dbb6ba4e50c9d0082073415fba9b228d149c0b1a

Aliases

arxiv: 1901.04352 · arxiv_version: 1901.04352v2 · doi: 10.48550/arxiv.1901.04352 · pith_short_12: CE4B6C67AIVV · pith_short_16: CE4B6C67AIVVOYHP · pith_short_8: CE4B6C67
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/CE4B6C67AIVVOYHPVDD5XNV2JZ \
  | 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: 11381f0bdf022b5760efa8c7dbb6ba4e50c9d0082073415fba9b228d149c0b1a
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "8cf38f9a9b9201837bd8b74852579843be9db817a333f04df2d7778dfb3d6fb8",
    "cross_cats_sorted": [
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2019-01-14T14:47:18Z",
    "title_canon_sha256": "279226893b97b9b8452f41991e09b6b1bfbf4d51b7fdb63a6ab646ed50e41c42"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.04352",
    "kind": "arxiv",
    "version": 2
  }
}