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Pith Number

pith:FTUIKXTE

pith:2019:FTUIKXTE3O64U2V6JDP23M7MI7
not attested not anchored not stored refs pending

Primordial black holes and gravitational waves from parametric amplification of curvature perturbations

Jing Liu, Lang Liu, Rong-Gen Cai, Xing-Yu Yang, Zong-Kuan Guo

arxiv:1912.10437 v2 · 2019-12-22 · astro-ph.CO · gr-qc · hep-th

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{FTUIKXTE3O64U2V6JDP23M7MI7}

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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

5 papers in Pith

Receipt and verification
First computed 2026-07-05T01:10:31.490793Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

2ce8855e64dbbdca6abe48dfadb3ec47c7d3b0aa9ff914b9a468d07c444c8aa4

Aliases

arxiv: 1912.10437 · arxiv_version: 1912.10437v2 · doi: 10.48550/arxiv.1912.10437 · pith_short_12: FTUIKXTE3O64 · pith_short_16: FTUIKXTE3O64U2V6 · pith_short_8: FTUIKXTE
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/FTUIKXTE3O64U2V6JDP23M7MI7 \
  | 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: 2ce8855e64dbbdca6abe48dfadb3ec47c7d3b0aa9ff914b9a468d07c444c8aa4
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "052cafcd7ecb724ab5ed22c88dca2d0640c89f80c5103a5b8e4c16fba4ce4dfb",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2019-12-22T12:49:12Z",
    "title_canon_sha256": "7f54c685918b66a97696e1f9ce43b549e1bb1505790915b85f51834405506cd4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1912.10437",
    "kind": "arxiv",
    "version": 2
  }
}