Pith Number

pith:N3R4U234

pith:2018:N3R4U234FDT4LWI37EK47RUFO7

not attested not anchored not stored refs pending

Massive Primordial Black Holes in Contemporary and Young Universe (old predictions and new data)

A.D. Dolgov

arxiv:1808.09909 v1 · 2018-08-29 · astro-ph.CO · 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{N3R4U234FDT4LWI37EK47RUFO7}

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	2026-05-17T23:59:14.540930Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6ee3ca6b7c28e7c5d91bf915cfc68577fef4525ce4c429b9825cfb7c21d6f24a

Aliases

arxiv: 1808.09909 · arxiv_version: 1808.09909v1 · doi: 10.48550/arxiv.1808.09909 · pith_short_12: N3R4U234FDT4 · pith_short_16: N3R4U234FDT4LWI3 · pith_short_8: N3R4U234

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/N3R4U234FDT4LWI37EK47RUFO7 \
  | 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: 6ee3ca6b7c28e7c5d91bf915cfc68577fef4525ce4c429b9825cfb7c21d6f24a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7d8c25fa3b47b2c3204a3154a76d8349edd49ff7b0a477cb409c22d7fbb9993f",
    "cross_cats_sorted": [
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2018-08-29T16:22:56Z",
    "title_canon_sha256": "c2f38feca60b4a170007646e754542fcd3791df47f57507c19389ca72be2891f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.09909",
    "kind": "arxiv",
    "version": 1
  }
}