Pith Number

pith:G3IJE7UI

pith:2014:G3IJE7UIZ4S3RZTOAL7WUSZXCA

not attested not anchored not stored refs pending

A Rapidly Spinning Black Hole Powers the Einstein Cross

(2) Caltech), Dominic J. Walton (2), Jon M. Miller (1), Mark T. Reynolds (1), Rubens C. Reis (1) ((1) University of Michigan

arxiv:1408.1934 v1 · 2014-08-08 · astro-ph.HE

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{G3IJE7UIZ4S3RZTOAL7WUSZXCA}

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	2026-05-18T01:42:22.412871Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

36d0927e88cf25b8e66e02ff6a4b371012a831356b26ae311fa5423fe832dcaf

Aliases

arxiv: 1408.1934 · arxiv_version: 1408.1934v1 · doi: 10.48550/arxiv.1408.1934 · pith_short_12: G3IJE7UIZ4S3 · pith_short_16: G3IJE7UIZ4S3RZTO · pith_short_8: G3IJE7UI

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/G3IJE7UIZ4S3RZTOAL7WUSZXCA \
  | 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: 36d0927e88cf25b8e66e02ff6a4b371012a831356b26ae311fa5423fe832dcaf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f3f8948854ba85bffb336ad13116196c682e74207adec302d0122812a4c2462d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2014-08-08T18:31:15Z",
    "title_canon_sha256": "0f701c2ba0dab4ce980c9004a2011f88237fb970ef2b43a1523c85322a263d1e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1408.1934",
    "kind": "arxiv",
    "version": 1
  }
}