Pith Number

pith:BPMZG2FZ

pith:2026:BPMZG2FZJDEJNW7FJT2FZ5GJHK

not attested not anchored not stored refs pending

Quasi-topological gravity for 4-dimensional Taub-NUT, near-horizon extreme Kerr, and swirling symmetries

Aimeric Coll\'eaux, Ivan Kol\'a\v{r}, Tom\'a\v{s} M\'alek

arxiv:2606.17784 v1 · 2026-06-16 · gr-qc · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BPMZG2FZJDEJNW7FJT2FZ5GJHK}

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	2026-06-19T16:10:21.690820Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0bd99368b948c896dbe54cf45cf4c93aae3a252451ee7b82cdde570ea3ee96ec

Aliases

arxiv: 2606.17784 · arxiv_version: 2606.17784v1 · doi: 10.48550/arxiv.2606.17784 · pith_short_12: BPMZG2FZJDEJ · pith_short_16: BPMZG2FZJDEJNW7F · pith_short_8: BPMZG2FZ

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/BPMZG2FZJDEJNW7FJT2FZ5GJHK \
  | 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: 0bd99368b948c896dbe54cf45cf4c93aae3a252451ee7b82cdde570ea3ee96ec

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8f7eda1b980afdca49bbef42bf4b08dd26aa41ccfbde767ea9ca1d081216fad2",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2026-06-16T11:00:37Z",
    "title_canon_sha256": "978830439d2bdd5a0d20f098c76aecbd1c298899386b9242c5cf5313c2adec06"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.17784",
    "kind": "arxiv",
    "version": 1
  }
}