Pith Number

pith:W5CTKUIE

pith:2017:W5CTKUIEKHCJPBAW7RFK7OHC7I

not attested not anchored not stored refs pending

Metric for two equal Kerr black holes

E. Ruiz, V.S. Manko

arxiv:1702.05802 v2 · 2017-02-19 · 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{W5CTKUIEKHCJPBAW7RFK7OHC7I}

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	2026-05-18T00:29:55.775895Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b74535510451c4978416fc4aafb8e2fa3d7b2fcf941a13c730313318872bebdd

Aliases

arxiv: 1702.05802 · arxiv_version: 1702.05802v2 · doi: 10.48550/arxiv.1702.05802 · pith_short_12: W5CTKUIEKHCJ · pith_short_16: W5CTKUIEKHCJPBAW · pith_short_8: W5CTKUIE

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/W5CTKUIEKHCJPBAW7RFK7OHC7I \
  | 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: b74535510451c4978416fc4aafb8e2fa3d7b2fcf941a13c730313318872bebdd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7860bb5cb7930767cfc56c7c9d9fc3c04e9a7f9e53a24c17f71bead2e205ce17",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2017-02-19T21:58:27Z",
    "title_canon_sha256": "e6606c4c16c68a68c84708a1a29d21bb18d120e1e53eca53c47cd31eda25362f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.05802",
    "kind": "arxiv",
    "version": 2
  }
}