Pith Number

pith:OIJU4NGZ

pith:2019:OIJU4NGZCCZ72K5FN2WLAR6F5L

not attested not anchored not stored refs pending

Primordial power spectrum from the dressed metric approach in loop cosmologies

Anzhong Wang, Bao-Fei Li, Parampreet Singh

arxiv:1912.08225 v3 · 2019-12-17 · gr-qc · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OIJU4NGZCCZ72K5FN2WLAR6F5L}

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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.

Cited by

2 papers in Pith

Stable initial conditions and analytical investigations of cosmological perturbations in a modified loop quantum cosmology

Quasi-dust ekpyrotic scenario in Loop Quantum Cosmology

Receipt and verification

First computed	2026-07-05T00:53:43.841496Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

72134e34d910b3fd2ba56eacb047c5eaed84ae58a7bc41f62e7107dc17473227

Aliases

arxiv: 1912.08225 · arxiv_version: 1912.08225v3 · doi: 10.48550/arxiv.1912.08225 · pith_short_12: OIJU4NGZCCZ7 · pith_short_16: OIJU4NGZCCZ72K5F · pith_short_8: OIJU4NGZ

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/OIJU4NGZCCZ72K5FN2WLAR6F5L \
  | 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: 72134e34d910b3fd2ba56eacb047c5eaed84ae58a7bc41f62e7107dc17473227

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "77a2bf3fdb30438c238bd76d65fd37a6028e57d9a637853c76933aa5375aa982",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2019-12-17T19:02:58Z",
    "title_canon_sha256": "5cc2bd11a2230dbc034c10625ee2941721092c35187064eaa951081d61f42d01"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1912.08225",
    "kind": "arxiv",
    "version": 3
  }
}