Pith Number

pith:ML4WR6U6

pith:1998:ML4WR6U6TJ4PHJ22DUAZQB24H4

not attested not anchored not stored refs pending

Black Hole Creation in 2+1 Dimensions

Hans-Juergen Matschull

arxiv:gr-qc/9809087 v3 · 1998-09-30 · 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{ML4WR6U6TJ4PHJ22DUAZQB24H4}

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

Entanglement inequalities, black holes and the architecture of typical states

Receipt and verification

First computed	2026-07-04T15:20:44.231107Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

62f968fa9e9a78f3a75a1d0198075c3f0f029ff05ab73a5f0d72e54a8a6716f1

Aliases

arxiv: gr-qc/9809087 · arxiv_version: gr-qc/9809087v3 · doi: 10.48550/arxiv.gr-qc/9809087 · pith_short_12: ML4WR6U6TJ4P · pith_short_16: ML4WR6U6TJ4PHJ22 · pith_short_8: ML4WR6U6

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/ML4WR6U6TJ4PHJ22DUAZQB24H4 \
  | 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: 62f968fa9e9a78f3a75a1d0198075c3f0f029ff05ab73a5f0d72e54a8a6716f1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7280c3281003bf439a97322c50fd0e8ee21c68c849ebec3012f325157b464553",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "1998-09-30T13:11:31Z",
    "title_canon_sha256": "b53bd96c24a0b3a865f8b0daf73b331bba497b5424d545e8014d2e7b6d637d66"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/9809087",
    "kind": "arxiv",
    "version": 3
  }
}