Pith Number

pith:GUR7VT2B

pith:1998:GUR7VT2BOM6AVMZRM2VKAXDBH7

not attested not anchored not stored refs pending

A Non-Singular Black Hole

Aleksandar Bogojevic (Institute of Physics, Belgrade), Dejan Stojkovic (Case Western Reserve University)

arxiv:gr-qc/9804070 v1 · 1998-04-26 · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GUR7VT2BOM6AVMZRM2VKAXDBH7}

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	2026-07-04T16:08:47.907522Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3523facf41733c0ab33166aaa05c613fd4c1acde51d6b1a10e1a7bc6bc4f6074

Aliases

arxiv: gr-qc/9804070 · arxiv_version: gr-qc/9804070v1 · doi: 10.48550/arxiv.gr-qc/9804070 · pith_short_12: GUR7VT2BOM6A · pith_short_16: GUR7VT2BOM6AVMZR · pith_short_8: GUR7VT2B

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/GUR7VT2BOM6AVMZRM2VKAXDBH7 \
  | 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: 3523facf41733c0ab33166aaa05c613fd4c1acde51d6b1a10e1a7bc6bc4f6074

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fe05c0336c817d0d1b5dfecfc21d66b17185abca3ce8d989fecc6367098e1ed7",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "1998-04-26T15:41:38Z",
    "title_canon_sha256": "88c048c4de0013526b051d4b3759a611012e574f21ea2f45ae79a9d634bb4535"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/9804070",
    "kind": "arxiv",
    "version": 1
  }
}