Pith Number

pith:66OQMDWN

pith:2002:66OQMDWNPABYSHMPXAQQ72JQD7

not attested not anchored not stored refs pending

Primordial perturbations in a non singular bouncing universe model

Nelson Pinto-Neto (CBPF), Patrick Peter (IAP)

arxiv:hep-th/0203013 v1 · 2002-03-01 · hep-th · astro-ph · gr-qc · hep-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{66OQMDWNPABYSHMPXAQQ72JQD7}

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.

Cited by

3 papers in Pith

The Quintom theory of dark energy after DESI DR2

Modified Gravity Theories on a Nutshell: Inflation, Bounce and Late-time Evolution

Bouncing Cosmological Models and Energy Conditions in $f(Q, L_m)$ gravity

Receipt and verification

First computed	2026-07-04T16:34:34.924866Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f79d060ecd7803891d8fb8210fe9301ff0fe252c05e437f9433131901a50f896

Aliases

arxiv: hep-th/0203013 · arxiv_version: hep-th/0203013v1 · doi: 10.48550/arxiv.hep-th/0203013 · pith_short_12: 66OQMDWNPABY · pith_short_16: 66OQMDWNPABYSHMP · pith_short_8: 66OQMDWN

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/66OQMDWNPABYSHMPXAQQ72JQD7 \
  | 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: f79d060ecd7803891d8fb8210fe9301ff0fe252c05e437f9433131901a50f896

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9012b885ae0e340c54a68f30b296830d55e2b94b6a7ed4f92bbfdd88c20eda80",
    "cross_cats_sorted": [
      "astro-ph",
      "gr-qc",
      "hep-ph"
    ],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "2002-03-01T18:04:07Z",
    "title_canon_sha256": "145e6eb9c71696ab5d5576c524ea3c3cefe54f7a1b47a205335536ee14174b89"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/0203013",
    "kind": "arxiv",
    "version": 1
  }
}