pith. sign in
Pith Number

pith:RXUSOESV

pith:2012:RXUSOESVXJJXQSGYQJVYU2ORVW
not attested not anchored not stored refs pending

Variations in the Fundamental constants in the QSO Host J1148+5251 at z = 6.4 and the BR1202-0725 System at z = 4.7

A. Wolfe, C. Carilli, D. Downs, D. Riechers, F. Walter, J. Wagg, K. M. Menten, Lindley Lentati, P. Alexander, P. Cox, R. Maiolino, R. McMahon, R. Neri, R. Wang

arxiv:1211.3316 v1 · 2012-11-14 · astro-ph.CO · gr-qc · hep-ex

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{RXUSOESVXJJXQSGYQJVYU2ORVW}

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

1 paper in Pith

Receipt and verification
First computed 2026-05-18T01:53:15.716158Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

8de9271255ba537848d8826b8a69d1ada35a79b1916c7805dc86eab1cf129bd0

Aliases

arxiv: 1211.3316 · arxiv_version: 1211.3316v1 · doi: 10.48550/arxiv.1211.3316 · pith_short_12: RXUSOESVXJJX · pith_short_16: RXUSOESVXJJXQSGY · pith_short_8: RXUSOESV
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/RXUSOESVXJJXQSGYQJVYU2ORVW \
  | 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: 8de9271255ba537848d8826b8a69d1ada35a79b1916c7805dc86eab1cf129bd0
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "2bf1cb44283b7162153443c87878ad6fa10b7389d945be83d533ec6d71a08eac",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-ex"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-11-14T14:33:36Z",
    "title_canon_sha256": "12b8c8cb9d1238e2335be7dc9feea6e9335ca10be3a1adbf012cb9df8de7c6d7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.3316",
    "kind": "arxiv",
    "version": 1
  }
}