Pith Number

pith:OGC4NQSK

pith:2009:OGC4NQSK5JLEOG4WCZFDWWNXL6

not attested not anchored not stored refs pending

Accretion, Primordial Black Holes and Standard Cosmology

Bibekananda Nayak, Lambodar Prasad Singh

arxiv:0905.3243 v2 · 2009-05-20 · 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{OGC4NQSK5JLEOG4WCZFDWWNXL6}

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

1 paper in Pith

Microscopic primordial black holes as macroscopic dark matter from large extra dimensions

Receipt and verification

First computed	2026-05-18T04:04:17.365299Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7185c6c24aea56471b96164a3b59b75fa88166da1aa117c63f04179db7080cc0

Aliases

arxiv: 0905.3243 · arxiv_version: 0905.3243v2 · doi: 10.48550/arxiv.0905.3243 · pith_short_12: OGC4NQSK5JLE · pith_short_16: OGC4NQSK5JLEOG4W · pith_short_8: OGC4NQSK

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/OGC4NQSK5JLEOG4WCZFDWWNXL6 \
  | 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: 7185c6c24aea56471b96164a3b59b75fa88166da1aa117c63f04179db7080cc0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "217b20ba69d7cdae1e90ced62eed4154faa136a9b0113ad168cb2d5fbb9a6ea2",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2009-05-20T08:33:42Z",
    "title_canon_sha256": "7222964c4615559e0163942aefded9051b85268136fe3435d66d54d8341c02e0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0905.3243",
    "kind": "arxiv",
    "version": 2
  }
}