Pith Number

pith:MEHHGWYM

pith:2019:MEHHGWYMVBC7GYGZBOFQHJA3AO

not attested not anchored not stored refs pending

Kerr-Newman black holes can be generically overspun

Koray D\"uzta\c{s}

arxiv:1904.05185 v1 · 2019-04-09 · 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{MEHHGWYMVBC7GYGZBOFQHJA3AO}

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	2026-05-17T23:48:53.894308Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

610e735b0ca845f360d90b8b03a41b03b52301a2a1e5fad46355cbd90b33c8a8

Aliases

arxiv: 1904.05185 · arxiv_version: 1904.05185v1 · doi: 10.48550/arxiv.1904.05185 · pith_short_12: MEHHGWYMVBC7 · pith_short_16: MEHHGWYMVBC7GYGZ · pith_short_8: MEHHGWYM

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/MEHHGWYMVBC7GYGZBOFQHJA3AO \
  | 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: 610e735b0ca845f360d90b8b03a41b03b52301a2a1e5fad46355cbd90b33c8a8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ef8330b8254334a99967d6937ad4cc4e57946db6ea028f9a433703e3da9246f5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2019-04-09T12:17:04Z",
    "title_canon_sha256": "8bf746762c275a004f2b3d747a94446d9f1e2a53a82ff0bb09980ca88aefb1b9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.05185",
    "kind": "arxiv",
    "version": 1
  }
}