Pith Number

pith:RQCBIAPO

pith:2019:RQCBIAPOOUFK3B76IGEXMMO2E7

not attested not anchored not stored refs pending

On symmetry operators for the Maxwell equation on the Kerr-NUT-(A)dS spacetime

Norihiro Tanahashi, Tsuyoshi Houri, Yukinori Yasui

arxiv:1908.10250 v2 · 2019-08-27 · 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{RQCBIAPOOUFK3B76IGEXMMO2E7}

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	2026-07-05T00:40:14.193760Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8c041401ee750aad87fe41897631da27d8c4d790c76ad558b15fe0fce63435c2

Aliases

arxiv: 1908.10250 · arxiv_version: 1908.10250v2 · doi: 10.48550/arxiv.1908.10250 · pith_short_12: RQCBIAPOOUFK · pith_short_16: RQCBIAPOOUFK3B76 · pith_short_8: RQCBIAPO

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/RQCBIAPOOUFK3B76IGEXMMO2E7 \
  | 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: 8c041401ee750aad87fe41897631da27d8c4d790c76ad558b15fe0fce63435c2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ee8427f6038359942a2d049343742a2fb14cf9afc1d2ae122853da432ee994d1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2019-08-27T14:57:50Z",
    "title_canon_sha256": "66a5db6ab56be07434c8a05d3a972a842f3877464f30d507e238b487c397e067"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.10250",
    "kind": "arxiv",
    "version": 2
  }
}