pith. sign in
Pith Number

pith:BC4WDNEI

pith:2013:BC4WDNEI7H7WTBNJMMPRU6OM6Z
not attested not anchored not stored refs pending

The rise and fall of the fourth quark-lepton generation

M.I.Vysotsky

arxiv:1312.0474 v2 · 2013-12-02 · hep-ph · hep-ex

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{BC4WDNEI7H7WTBNJMMPRU6OM6Z}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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 2026-05-18T03:04:22.215093Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

08b961b488f9ff6985a9631f1a79ccf6421c5ffb61cc2ff174066e10d2a46b8d

Aliases

arxiv: 1312.0474 · arxiv_version: 1312.0474v2 · doi: 10.48550/arxiv.1312.0474 · pith_short_12: BC4WDNEI7H7W · pith_short_16: BC4WDNEI7H7WTBNJ · pith_short_8: BC4WDNEI
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/BC4WDNEI7H7WTBNJMMPRU6OM6Z \
  | 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: 08b961b488f9ff6985a9631f1a79ccf6421c5ffb61cc2ff174066e10d2a46b8d
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "7f80cf5f6aaa8f4fee9c2b9c586120b5e923eb9d8476722283b801289e960f35",
    "cross_cats_sorted": [
      "hep-ex"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-ph",
    "submitted_at": "2013-12-02T14:48:33Z",
    "title_canon_sha256": "4b48f4d9c24251ff640197c3151b15bd028e674ed57b310963dc6bd4063d3179"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.0474",
    "kind": "arxiv",
    "version": 2
  }
}