Pith Number

pith:2OHED6VD

pith:2010:2OHED6VD6D7ZYPWA2KF66V5SI4

not attested not anchored not stored refs pending

Supermassive black hole spin-flip during the inspiral

L\'aszl\'o \'A. Gergely, Lauren\c{t}iu I. Caramete, Peter L. Biermann

arxiv:1005.2287 v2 · 2010-05-13 · astro-ph.CO · 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{2OHED6VD6D7ZYPWA2KF66V5SI4}

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	2026-05-18T02:07:33.315935Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d38e41faa3f0ff9c3ec0d28bef57b2470fa063f92b2bfdf23df9f0cdc0de35b9

Aliases

arxiv: 1005.2287 · arxiv_version: 1005.2287v2 · doi: 10.48550/arxiv.1005.2287 · pith_short_12: 2OHED6VD6D7Z · pith_short_16: 2OHED6VD6D7ZYPWA · pith_short_8: 2OHED6VD

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/2OHED6VD6D7ZYPWA2KF66V5SI4 \
  | 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: d38e41faa3f0ff9c3ec0d28bef57b2470fa063f92b2bfdf23df9f0cdc0de35b9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "23993faca2f09824b335ffd97270e0b64adecdeb2e86fcc784b275b631fd1477",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-05-13T09:53:45Z",
    "title_canon_sha256": "d6edf7384d52d362c27280119598d6545b707143c7c4bbdfa7cbd787b75cf2a2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1005.2287",
    "kind": "arxiv",
    "version": 2
  }
}