Pith Number

pith:O2RVPTDD

pith:1998:O2RVPTDDABH3HF33C2BG74RSMR

not attested not anchored not stored refs pending

Black Holes : A General Introduction

Jean-Pierre Luminet

arxiv:astro-ph/9801252 v1 · 1998-01-26 · astro-ph · 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{O2RVPTDDABH3HF33C2BG74RSMR}

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

A note on methods for computing the critical curve of Kerr-like black holes

Receipt and verification

First computed	2026-05-18T01:40:14.433667Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

76a357cc63004fb3977b16826ff232645240066024d053fd0b4c29d06ea60140

Aliases

arxiv: astro-ph/9801252 · arxiv_version: astro-ph/9801252v1 · doi: 10.48550/arxiv.astro-ph/9801252 · pith_short_12: O2RVPTDDABH3 · pith_short_16: O2RVPTDDABH3HF33 · pith_short_8: O2RVPTDD

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/O2RVPTDDABH3HF33C2BG74RSMR \
  | 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: 76a357cc63004fb3977b16826ff232645240066024d053fd0b4c29d06ea60140

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "818e74a2b49d59afd8374b1ad81d94f8ec254ba712ee9c06f5ad00050e86f2a6",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1998-01-26T16:48:13Z",
    "title_canon_sha256": "160a632a5749eee4bcbaf2da57cd80c946b0e7920ce70047b671dd05f1214de8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9801252",
    "kind": "arxiv",
    "version": 1
  }
}