Pith Number

pith:5Q3R6G4U

pith:2011:5Q3R6G4UZIQSVKRO3Q7U247QQO

not attested not anchored not stored refs pending

Destroying a near-extremal Kerr-Newman black hole

Alberto Saa, Raphael Santarelli

arxiv:1105.3950 v2 · 2011-05-19 · 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{5Q3R6G4UZIQSVKRO3Q7U247QQO}

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	2026-05-18T04:16:11.649544Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ec371f1b94ca212aaa2edc3f4d73f083b2920cbf955e96f87fa201b6ec3e29c1

Aliases

arxiv: 1105.3950 · arxiv_version: 1105.3950v2 · doi: 10.48550/arxiv.1105.3950 · pith_short_12: 5Q3R6G4UZIQS · pith_short_16: 5Q3R6G4UZIQSVKRO · pith_short_8: 5Q3R6G4U

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/5Q3R6G4UZIQSVKRO3Q7U247QQO \
  | 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: ec371f1b94ca212aaa2edc3f4d73f083b2920cbf955e96f87fa201b6ec3e29c1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2969927d9e8d4d66026d2192d7ccd971ffb7398da8728f20a13d72299ae756e8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2011-05-19T18:09:08Z",
    "title_canon_sha256": "fb8261c2aad102891905d6b428f432ce838370cbfcc29dc2f9697ede5388a653"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.3950",
    "kind": "arxiv",
    "version": 2
  }
}