Pith. sign in
Pith Number

pith:JMUVGCA4

pith:2019:JMUVGCA47FHS76GXZUIOU7HO4U
not attested not anchored not stored refs pending

Constraints on non-minimal coupling from quantum cosmology

Alexander Vilenkin, Masaki Yamada, Shao-Jiang Wang

arxiv:1903.11736 v2 · 2019-03-28 · gr-qc

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{JMUVGCA47FHS76GXZUIOU7HO4U}

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 2026-07-04T23:58:25.827168Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

4b2953081cf94f2ff8d7cd10ea7ceee5000d18aba1a4d92a68856e3bcfd78611

Aliases

arxiv: 1903.11736 · arxiv_version: 1903.11736v2 · doi: 10.48550/arxiv.1903.11736 · pith_short_12: JMUVGCA47FHS · pith_short_16: JMUVGCA47FHS76GX · pith_short_8: JMUVGCA4
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/JMUVGCA47FHS76GXZUIOU7HO4U \
  | 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: 4b2953081cf94f2ff8d7cd10ea7ceee5000d18aba1a4d92a68856e3bcfd78611
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "b6d09cc4cd11af048327c295f357ea6d6fc8ec2a9a091da0db676d9d3395c589",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2019-03-28T00:02:57Z",
    "title_canon_sha256": "97150844ecfd26c039464f8646b7734f051cf4b9f357308c29077b4bc12ee085"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.11736",
    "kind": "arxiv",
    "version": 2
  }
}