pith. sign in
Pith Number

pith:PRSNBOUW

pith:2018:PRSNBOUWYJ5KQHECTTIGLTNV74
not attested not anchored not stored refs pending

Primordial power spectra from an emergent universe: basic results and clarifications

Aur\'elien Barrau, Killian Martineau

arxiv:1812.05522 v1 · 2018-12-13 · gr-qc · astro-ph.CO · hep-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{PRSNBOUWYJ5KQHECTTIGLTNV74}

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 2026-05-17T23:58:20.045613Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

7c64d0ba96c27aa81c829cd065cdb5ff0ac9998353dda7e26077a8d6c89b26f6

Aliases

arxiv: 1812.05522 · arxiv_version: 1812.05522v1 · doi: 10.48550/arxiv.1812.05522 · pith_short_12: PRSNBOUWYJ5K · pith_short_16: PRSNBOUWYJ5KQHEC · pith_short_8: PRSNBOUW
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/PRSNBOUWYJ5KQHECTTIGLTNV74 \
  | 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: 7c64d0ba96c27aa81c829cd065cdb5ff0ac9998353dda7e26077a8d6c89b26f6
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "803c6ec4a2e53e81711c36ea82671aa4eec90e6f8d575f095f7d0ff2f3b70dc6",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2018-12-13T17:00:20Z",
    "title_canon_sha256": "29d9ab7b47ea9efa3ed1169ab9b97e4943afe53710d6dde4fad8065fc9fbf2d1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.05522",
    "kind": "arxiv",
    "version": 1
  }
}