Pith Number

pith:RXWWJOVG

pith:2019:RXWWJOVGYZ6VDVAUXGKLFRSDS6

not attested not anchored not stored refs pending

Are primordial black holes produced by entropy perturbations in single field inflationary models?

Antonio Enea Romano, Sergio Andr\'es Vallejo-Pe\~na

arxiv:1904.07503 v2 · 2019-04-16 · astro-ph.CO · gr-qc · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RXWWJOVGYZ6VDVAUXGKLFRSDS6}

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	2026-07-05T00:26:57.071780Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8ded64baa6c67d51d414b994b2c64397a75a58de9e81b8d8dfea5fbe20ab836a

Aliases

arxiv: 1904.07503 · arxiv_version: 1904.07503v2 · doi: 10.48550/arxiv.1904.07503 · pith_short_12: RXWWJOVGYZ6V · pith_short_16: RXWWJOVGYZ6VDVAU · pith_short_8: RXWWJOVG

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/RXWWJOVGYZ6VDVAUXGKLFRSDS6 \
  | 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: 8ded64baa6c67d51d414b994b2c64397a75a58de9e81b8d8dfea5fbe20ab836a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "abd9552c32ddbf63d898a920876ddcb1926604f6a8c675910aabdaaa276fd6ce",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2019-04-16T07:34:20Z",
    "title_canon_sha256": "7bfa12c07e564467f1b1037b58c7d64d4848e47799a5bf9be04eb5598dd57caf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.07503",
    "kind": "arxiv",
    "version": 2
  }
}