Pith Number

pith:RI3F6VV4

pith:2013:RI3F6VV4JGOPFS37E6HCFR6Z7O

not attested not anchored not stored refs pending

Opposite charged two-body system of identical counter-rotating black holes

Alfredo Mac\'ias, Claus L\"ammerzahl, I. Cabrera-Munguia, L. A. L\'opez

arxiv:1309.2556 v3 · 2013-09-10 · gr-qc

Open paper page JSON What is a Pith Number?

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

Receipt and verification

First computed	2026-05-18T02:52:12.458035Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8a365f56bc499cf2cb7f278e22c7d9fba18818ce0e7a6ba85397f789066f226b

Aliases

arxiv: 1309.2556 · arxiv_version: 1309.2556v3 · doi: 10.48550/arxiv.1309.2556 · pith_short_12: RI3F6VV4JGOP · pith_short_16: RI3F6VV4JGOPFS37 · pith_short_8: RI3F6VV4

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/RI3F6VV4JGOPFS37E6HCFR6Z7O \
  | 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: 8a365f56bc499cf2cb7f278e22c7d9fba18818ce0e7a6ba85397f789066f226b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6b6608eb8420bffcc3d42fe38638bf9e96e33a14ea56f258ad66eb8ba5e7103b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2013-09-10T15:57:19Z",
    "title_canon_sha256": "92cfc4dc6dad9dc6f6921051b0692d7f60a7b7066cde02d7ad65c1fa79a0f8e8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.2556",
    "kind": "arxiv",
    "version": 3
  }
}