pith. sign in
Pith Number

pith:KCTSQKJE

pith:2009:KCTSQKJEJUJ2KPERTDKKUSQUID
not attested not anchored not stored refs pending

Non-Gaussianity Generated by the Entropic Mechanism in Bouncing Cosmologies Made Simple

Jean-Luc Lehners, Paul J. Steinhardt

arxiv:0909.2558 v1 · 2009-09-14 · hep-th · astro-ph.CO

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{KCTSQKJEJUJ2KPERTDKKUSQUID}

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 2026-05-18T04:27:15.167821Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

50a72829244d13a53c9198d4aa4a1440d8aa2d8ff906917a9cee41efb2211880

Aliases

arxiv: 0909.2558 · arxiv_version: 0909.2558v1 · doi: 10.48550/arxiv.0909.2558 · pith_short_12: KCTSQKJEJUJ2 · pith_short_16: KCTSQKJEJUJ2KPER · pith_short_8: KCTSQKJE
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/KCTSQKJEJUJ2KPERTDKKUSQUID \
  | 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: 50a72829244d13a53c9198d4aa4a1440d8aa2d8ff906917a9cee41efb2211880
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "1fbe2ab0d35378bacabe9a7e0a77274f6cfa1d69af9f4c6f3d4dae45c0991d74",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2009-09-14T14:51:33Z",
    "title_canon_sha256": "d8a7df9c03da1a6b1095b7baeaeefd15fbc4fe9c3d65fa91a1cffe0f678dc541"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.2558",
    "kind": "arxiv",
    "version": 1
  }
}