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Pith Number

pith:ZAYAHIEI

pith:2013:ZAYAHIEI3SE4QYEKTJGZUFHFH2
not attested not anchored not stored refs pending

Note on the production of scale-invariant entropy perturbation in the Ekpyrotic universe

Mingzhe Li

arxiv:1306.0191 v2 · 2013-06-02 · hep-th · astro-ph.CO · gr-qc · hep-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{ZAYAHIEI3SE4QYEKTJGZUFHFH2}

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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.
Receipt and verification
First computed 2026-05-18T01:49:38.800450Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

c83003a088dc89c8608a9a4d9a14e53ea71fb99b69e16019b2bae52c654fc395

Aliases

arxiv: 1306.0191 · arxiv_version: 1306.0191v2 · doi: 10.48550/arxiv.1306.0191 · pith_short_12: ZAYAHIEI3SE4 · pith_short_16: ZAYAHIEI3SE4QYEK · pith_short_8: ZAYAHIEI
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/ZAYAHIEI3SE4QYEKTJGZUFHFH2 \
  | 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: c83003a088dc89c8608a9a4d9a14e53ea71fb99b69e16019b2bae52c654fc395
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "be27380451a4fb1d2baad70d9104e02305aac1b08b3341396ddbdbd99e14095f",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "gr-qc",
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2013-06-02T10:44:01Z",
    "title_canon_sha256": "620d27702561586ce9f5b657ca9c6e81a64d4c47c7ed9464d93786cd221db829"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.0191",
    "kind": "arxiv",
    "version": 2
  }
}