Pith Number

pith:NJBWXF5E

pith:2017:NJBWXF5EPDKVLEI3DSN4B3AJN2

not attested not anchored not stored refs pending

Gravitational collapse to a Kerr-Newman black hole

Antonios Nathanail, Elias R. Most, Luciano Rezzolla

arxiv:1703.03223 v1 · 2017-03-09 · astro-ph.HE · 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{NJBWXF5EPDKVLEI3DSN4B3AJN2}

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	2026-05-18T00:44:46.763823Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6a436b97a478d555911b1c9bc0ec096eb4c90708347fb82d5688cd6fccf56807

Aliases

arxiv: 1703.03223 · arxiv_version: 1703.03223v1 · doi: 10.48550/arxiv.1703.03223 · pith_short_12: NJBWXF5EPDKV · pith_short_16: NJBWXF5EPDKVLEI3 · pith_short_8: NJBWXF5E

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/NJBWXF5EPDKVLEI3DSN4B3AJN2 \
  | 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: 6a436b97a478d555911b1c9bc0ec096eb4c90708347fb82d5688cd6fccf56807

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a713107e2c9524e52caaa9c8a148f383ec595f9a3a6499c5f938b8409ca9d719",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2017-03-09T10:46:35Z",
    "title_canon_sha256": "c74582ac29ed988c5982e4cfd90afe1deb9086bab32ae07caad73f243b8f46c3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.03223",
    "kind": "arxiv",
    "version": 1
  }
}