Pith Number

pith:34STAHKQ

pith:2014:34STAHKQMSTWWYEDV62PFEHKI2

not attested not anchored not stored refs pending

Force-Free Electrodynamics around Extreme Kerr Black Holes

Alexandru Lupsasca, Andrew Strominger, Maria J. Rodriguez

arxiv:1406.4133 v2 · 2014-06-16 · hep-th · 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{34STAHKQMSTWWYEDV62PFEHKI2}

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	2026-05-18T02:20:59.367898Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

df25301d5064a76b6083afb4f290ea46b5f704d5392844f8073f66a5caa2a8d4

Aliases

arxiv: 1406.4133 · arxiv_version: 1406.4133v2 · doi: 10.48550/arxiv.1406.4133 · pith_short_12: 34STAHKQMSTW · pith_short_16: 34STAHKQMSTWWYED · pith_short_8: 34STAHKQ

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/34STAHKQMSTWWYEDV62PFEHKI2 \
  | 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: df25301d5064a76b6083afb4f290ea46b5f704d5392844f8073f66a5caa2a8d4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c0b26e04b235126c0edb0389f2391b11463782a3614043b6cd4507f5451aecdd",
    "cross_cats_sorted": [
      "astro-ph.HE",
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2014-06-16T20:00:03Z",
    "title_canon_sha256": "e02b0546ff6c132efb06e859d394d3b81f755e3e21109642fc66690c04c9b7a6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1406.4133",
    "kind": "arxiv",
    "version": 2
  }
}