Pith Number

pith:TK5XD7ZV

pith:2025:TK5XD7ZVSS5ZQQ7L2X35CPXNYI

not attested not anchored not stored refs pending

Ultrarelativistic limit of the Kerr theorem

Daniel Flores-Alfonso, Eloy Ay\'on-Beato, Mokhtar Hassaine

arxiv:2507.16094 v1 · 2025-07-21 · 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{TK5XD7ZVSS5ZQQ7L2X35CPXNYI}

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	2026-07-05T12:00:06.180310Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9abb71ff3594bb9843ebd5f7d13eedc21196726aa1e8f71587885dae108a0252

Aliases

arxiv: 2507.16094 · arxiv_version: 2507.16094v1 · doi: 10.48550/arxiv.2507.16094 · pith_short_12: TK5XD7ZVSS5Z · pith_short_16: TK5XD7ZVSS5ZQQ7L · pith_short_8: TK5XD7ZV

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/TK5XD7ZVSS5ZQQ7L2X35CPXNYI \
  | 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: 9abb71ff3594bb9843ebd5f7d13eedc21196726aa1e8f71587885dae108a0252

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7a080d14c650586375d5293c2bec30b0b0b8b59875758f87d6d93ab33cb3b29e",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2025-07-21T22:31:44Z",
    "title_canon_sha256": "8c6c2a1047d6889e9c2f7f57216fc3e009cd80bedd199894a4a09bf74e73c293"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.16094",
    "kind": "arxiv",
    "version": 1
  }
}