Pith Number

pith:HDD2HT42

pith:1995:HDD2HT425QXCFPNAKZPRCX5AIG

not attested not anchored not stored refs pending

Black hole singularities: a numerical approach

John D. Smith, Patrick R. Brady

arxiv:gr-qc/9506067 v1 · 1995-06-28 · 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{HDD2HT425QXCFPNAKZPRCX5AIG}

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

3 papers in Pith

Regular black hole with sub-Planckian curvature and suppressed exponential mass inflation

Black Hole Interiors as a Laboratory for Time-Dependent Classical Double Copy

Kerr-de Sitter Black Holes: Quantum Aspects and Cosmic Censorship Conjecture

Receipt and verification

First computed	2026-07-04T15:58:49.474091Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

38c7a3cf9aec2e22bda0565f115fa041a39805b240936224a6a6698516027895

Aliases

arxiv: gr-qc/9506067 · arxiv_version: gr-qc/9506067v1 · doi: 10.48550/arxiv.gr-qc/9506067 · pith_short_12: HDD2HT425QXC · pith_short_16: HDD2HT425QXCFPNA · pith_short_8: HDD2HT42

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/HDD2HT425QXCFPNAKZPRCX5AIG \
  | 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: 38c7a3cf9aec2e22bda0565f115fa041a39805b240936224a6a6698516027895

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eab083c09f3c300b9b41704675f038b5f220cd7e274f05de1c03d5cb4343ceb3",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "1995-06-28T11:35:45Z",
    "title_canon_sha256": "481ecf1f0629f09571ecef13afba1553c2ff8d19f48f29d20465cc87b083e5b6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/9506067",
    "kind": "arxiv",
    "version": 1
  }
}