Pith Number

pith:763XWPPG

pith:1994:763XWPPGWLNOWEXXNHGG5ARIND

not attested not anchored not stored refs pending

Structure of the Inner Singularity of a Spherical Black Hole

A. Bonanno, S. Droz, S.M. Morsink, W. Israel

arxiv:gr-qc/9403019 v1 · 1994-03-10 · 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{763XWPPGWLNOWEXXNHGG5ARIND}

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

Taming the Aretakis instability: extremal black holes with multi-degenerate horizons

Receipt and verification

First computed	2026-07-04T15:56:53.938875Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ffb77b3de6b2daeb12f769cc6e822868c6103a38ef6f032bcf133c3c663cb669

Aliases

arxiv: gr-qc/9403019 · arxiv_version: gr-qc/9403019v1 · doi: 10.48550/arxiv.gr-qc/9403019 · pith_short_12: 763XWPPGWLNO · pith_short_16: 763XWPPGWLNOWEXX · pith_short_8: 763XWPPG

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/763XWPPGWLNOWEXXNHGG5ARIND \
  | 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: ffb77b3de6b2daeb12f769cc6e822868c6103a38ef6f032bcf133c3c663cb669

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3d4c571d4f318ed4d126cccbee49c7494ea2c359e68af3cc037ffe9e37021bc4",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "1994-03-10T01:02:20Z",
    "title_canon_sha256": "4f5660fbfb15d5e01c0a84e37822fe06d65e6626b035a475653429905357133b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/9403019",
    "kind": "arxiv",
    "version": 1
  }
}