Pith Number

pith:EXEF7J7M

pith:2010:EXEF7J7MDIVYW54QWZOUQ2OCTN

not attested not anchored not stored refs pending

Maximum black-hole spin from quasi-circular binary mergers

E. Sterl Phinney, Guglielmo Lockhart, Michael Kesden

arxiv:1005.0627 v2 · 2010-05-04 · gr-qc · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EXEF7J7MDIVYW54QWZOUQ2OCTN}

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.

Cited by

1 paper in Pith

Redshifted civilizations, galactic empires, and the Fermi paradox

Receipt and verification

First computed	2026-05-18T04:32:55.830648Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

25c85fa7ec1a2b8b7790b65d4869c29b764609baaf7dff2743e256058de97ca4

Aliases

arxiv: 1005.0627 · arxiv_version: 1005.0627v2 · doi: 10.48550/arxiv.1005.0627 · pith_short_12: EXEF7J7MDIVY · pith_short_16: EXEF7J7MDIVYW54Q · pith_short_8: EXEF7J7M

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/EXEF7J7MDIVYW54QWZOUQ2OCTN \
  | 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: 25c85fa7ec1a2b8b7790b65d4869c29b764609baaf7dff2743e256058de97ca4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ab6d150bafbed083142581f1f2b7aecf98651e02dc8e47ba377b5bfb8cae4a18",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2010-05-04T20:07:43Z",
    "title_canon_sha256": "4876d2768bf203950029b245e0a590fd367881928cc55efd1ce8d0dd93a6e356"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1005.0627",
    "kind": "arxiv",
    "version": 2
  }
}