Pith Number

pith:XHF7TXZD

pith:2018:XHF7TXZDDMV3GUMM76PRFXSOQH

not attested not anchored not stored refs pending

Black Hole in a Radiation-Dominated Universe

Eugeny Babichev, Vyacheslav Dokuchaev, Yury Eroshenko

arxiv:1811.07189 v1 · 2018-11-17 · gr-qc · astro-ph.CO

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

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

Magnetized dynamical black holes

Receipt and verification

First computed	2026-05-18T00:00:01.691985Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b9cbf9df231b2bb3518cff9f12de4e81c2c3bab96c325ec235715e48d76a1c29

Aliases

arxiv: 1811.07189 · arxiv_version: 1811.07189v1 · doi: 10.48550/arxiv.1811.07189 · pith_short_12: XHF7TXZDDMV3 · pith_short_16: XHF7TXZDDMV3GUMM · pith_short_8: XHF7TXZD

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/XHF7TXZDDMV3GUMM76PRFXSOQH \
  | 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: b9cbf9df231b2bb3518cff9f12de4e81c2c3bab96c325ec235715e48d76a1c29

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8a9cb7bce0eae6df89ad6ea7a84ef6723498a6006d421dc69d5bf3b812cb73c2",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2018-11-17T17:10:28Z",
    "title_canon_sha256": "9032bdfc3b33a40ede7224f8de6fa314c8f24e71f47eb9fd781f86e391086397"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.07189",
    "kind": "arxiv",
    "version": 1
  }
}