Pith Number

pith:U2BGI4FT

pith:2015:U2BGI4FT6RUYL7KJUAV7SLNS5Y

not attested not anchored not stored refs pending

Deformed and twisted black holes with NUTs

David Kubiznak, Ivan Kolar, Pavel Krtous, Valeri P. Frolov

arxiv:1511.02536 v1 · 2015-11-08 · hep-th · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{U2BGI4FT6RUYL7KJUAV7SLNS5Y}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T00:10:41.771569Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a6826470b3f46985fd49a02bf92db2ee0eb508012db8fed5d4577abc55431481

Aliases

arxiv: 1511.02536 · arxiv_version: 1511.02536v1 · doi: 10.48550/arxiv.1511.02536 · pith_short_12: U2BGI4FT6RUY · pith_short_16: U2BGI4FT6RUYL7KJ · pith_short_8: U2BGI4FT

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/U2BGI4FT6RUYL7KJUAV7SLNS5Y \
  | 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: a6826470b3f46985fd49a02bf92db2ee0eb508012db8fed5d4577abc55431481

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2777ae52c3bfdaf210fbb4b230ffc31005ab2a5ff84380f14c9634e1799da1e6",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2015-11-08T22:06:12Z",
    "title_canon_sha256": "c578fa1d737f99dc33f33baa6f3606b9b0f87bd194c727dca66a780436956b61"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.02536",
    "kind": "arxiv",
    "version": 1
  }
}