Pith Number

pith:724K5XV4

pith:2015:724K5XV4Q7CUNHKSE3H7GLWOKW

not attested not anchored not stored refs pending

Evolution of cosmological perturbations and the production of non-Gaussianities through a nonsingular bounce: Indications for a no-go theorem in single field matter bounce cosmologies

Jerome Quintin, Robert H. Brandenberger, Yi-Fu Cai, Zeinab Sherkatghanad

arxiv:1508.04141 v2 · 2015-08-17 · hep-th · astro-ph.CO · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{724K5XV4Q7CUNHKSE3H7GLWOKW}

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	2026-05-18T01:31:29.637818Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

feb8aedebc87c5469d5226cff32ece55acab21a21706c83a09550da099a9038d

Aliases

arxiv: 1508.04141 · arxiv_version: 1508.04141v2 · doi: 10.48550/arxiv.1508.04141 · pith_short_12: 724K5XV4Q7CU · pith_short_16: 724K5XV4Q7CUNHKS · pith_short_8: 724K5XV4

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/724K5XV4Q7CUNHKSE3H7GLWOKW \
  | 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: feb8aedebc87c5469d5226cff32ece55acab21a21706c83a09550da099a9038d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "504ca689db2b00f496dd242f76c6060b1ed21b38d5081460c34d49931f2a72c8",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2015-08-17T20:04:57Z",
    "title_canon_sha256": "28c3325443f8c9d3b0a7c95dde7a10684d5ac9e40310a484d60c8db29b8479ce"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.04141",
    "kind": "arxiv",
    "version": 2
  }
}