Pith Number

pith:JVIHNV4K

pith:2019:JVIHNV4K776MEBJ3E5APAJLTGD

not attested not anchored not stored refs pending

Primordial non-Gaussianities of scalar and tensor perturbations in general bounce cosmology: Evading the no-go theorem

Shingo Akama, Shin'ichi Hirano, Tsutomu Kobayashi

arxiv:1908.10663 v2 · 2019-08-26 · gr-qc · astro-ph.CO · hep-th

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JVIHNV4K776MEBJ3E5APAJLTGD}

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	2026-07-05T00:43:36.595419Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4d5076d78afffcc2053b2740f0257330cc47d3c52f375f282e829a7a1c8efee4

Aliases

arxiv: 1908.10663 · arxiv_version: 1908.10663v2 · doi: 10.48550/arxiv.1908.10663 · pith_short_12: JVIHNV4K776M · pith_short_16: JVIHNV4K776MEBJ3 · pith_short_8: JVIHNV4K

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/JVIHNV4K776MEBJ3E5APAJLTGD \
  | 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: 4d5076d78afffcc2053b2740f0257330cc47d3c52f375f282e829a7a1c8efee4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ff9d461ac656fbeee6283d76aabec488d3574dc8dbee4b466fbbd4f2f202e58c",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2019-08-26T05:16:03Z",
    "title_canon_sha256": "313cbdb13a4e8c9dca50248f16cfb61bd9a82dd6e6a43ec0807b44296f175b6f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.10663",
    "kind": "arxiv",
    "version": 2
  }
}